Oklahoma · Landscaping licensing · official-source guide

Oklahoma landscaping license requirements.

The Oklahoma Construction Industries Board licenses no landscaping or general contractor, and states on its site that general contracting needs no state license. What binds a landscaping business instead is the protected title landscape architect, the plumbing license that irrigation tie-ins trigger, pesticide applicator licensing from the state agriculture department, and city registration in Oklahoma City and Tulsa.

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Verified against agency sources on 2026-10-12. Rules and fees change; confirm with the named authority before relying on this guide.

Who regulates landscaping work in Oklahoma

Oklahoma has no state license for a landscaping contractor. The Construction Industries Board, which licenses the state's construction trades, says so in writing on its own home page: general contractors are not currently required to have a state license in Oklahoma for general contracting, but trade licenses and registrations are required for performing, or offering to perform, licensed or registered trade work, and local jurisdictions should be contacted for any local requirements. That sentence sets the shape of the whole problem for a landscaping business here. No state agency asks you to prove experience before you regrade a yard, set a retaining wall, lay sod, build a paver patio or plant trees. The moment your scope crosses into a trade the state does license, the rules change sharply. Three state bodies can reach a landscaping crew. The Construction Industries Board licenses plumbing, and water supply piping on the premises is plumbing under the statutory definition. The Board of Governors of the Architects, Landscape Architects and Licensed Interior Designers of Oklahoma controls the title landscape architect and the practice of landscape architecture. The Oklahoma Department of Agriculture, Food and Forestry licenses pesticide application, fertilizer distribution and ag lime spreading. Then add the cities. Oklahoma City and Tulsa both register contractors and issue trade permits, and the plumbing statute requires each state-licensed plumbing contractor to register with the plumbing inspector of every city and town in whose jurisdiction the plumber operates. So the honest answer for a landscaping owner in Oklahoma is that you are unlicensed at state level and regulated at the edges. Knowing which edge you are standing on decides what you may legally sell, advertise and sign a contract for.

Sourcesoklahoma.gov 1oklahoma.gov 2

The one state license that carries the trade name

The license that uses the trade name is not a contractor license at all. Under the State Architectural and Licensed Interior Designers Act, codified at Title 59 Section 46.1 and following, no person may practice landscape architecture in Oklahoma, or use the title landscape architect or derivations of those words on any sign, title, card or device to indicate that the person is practicing landscape architecture or is a landscape architect, unless that person holds a license from the Board of Governors of the Architects, Landscape Architects and Licensed Interior Designers of Oklahoma. The Act goes further on advertising. It is unlawful to practice or offer to practice landscape architecture, to use the title in connection with your name, or to advertise any title or description tending to convey the impression that you are a landscape architect, unless you are licensed or exempt. The Act defines landscape architecture broadly: planning, design, preparation of construction drawings and specifications, construction observation, the design and layout of roadways, service areas, parking areas, walkways, steps, ramps, pools, parks, parkways, trails and recreational areas, the location and site of improvements, grading of the land, surface and subsoil drainage, erosion control, planting, reforestation and preservation of the natural setting. The practice does not include the design of structures or facilities with separate self-contained purposes for habitation or industry, or the design of public streets, highways, utilities, storm and sanitary sewers and sewage treatment facilities, which are statutorily defined as engineering or architecture. For a working landscaping company the practical line is the title and the advertised claim, not the shovel work. Call yourself a landscape architect without the license and you are inside the Act.

Sourcesoklahoma.gov 1oklahoma.gov 2

The exemptions that let a landscaping contractor work

Section 46.28 of the Act lists the occupations that may do work falling inside the landscape architecture definition without a landscape architect license, and the list is the single most useful page in Oklahoma law for this trade. It exempts a landscape contractor building or installing what was designed by a landscape architect. It exempts an agriculturist, horticulturist, forester, nursery operator, gardener, landscape gardener, garden or lawn caretaker, and grader or cultivator of land involved in the selection, placement, planting and maintenance of plant material. It exempts persons who act under the supervision of a licensed landscape architect, or an employee of a person lawfully engaged in the practice, where that person does not assume responsible charge of design or supervision. It exempts a landscape designer or contractor whose business is choosing types of plants, planning their location and the design of settings for those projects, or whose work is limited to projects for a single-family residential home. It also allows design or installation work by an owner or occupant on the owner's or occupant's single-family residence. Professional engineers are exempt, and an architect or engineer may perform services inside the landscape architecture definition when incidental, which the Act defines as less than ten percent of total project cost, to that person's normal practice. Read together, these exemptions cover most of what a residential landscaping company actually sells: plant selection, planting plans, yard design for houses, and installing somebody else's approved drawings. What they do not cover is the title. You can perform the exempt work all day. You still cannot advertise yourself as a landscape architect.

Sourcesoklahoma.gov 1oklahoma.gov 2

Getting the landscape architect license

If you want the title, the Board of Governors of the Architects, Landscape Architects and Licensed Interior Designers of Oklahoma publishes the route on its own application page. Three gates: education, examination and experience. The applicant must have completed a professional degree in landscape architecture from a university accredited by the Landscape Architectural Accreditation Board, or an equivalent educational program. The applicant must have passed all sections of the Landscape Architect Registration Examination. The applicant must provide evidence of three years of training credits under the responsible control of a licensed landscape architect. The criteria sit in rule at OAC 55:10-5-8, with an equivalent standards path at OAC 55:10-5-8.1 for applicants who do not match the standard profile. Statute adds that no license issues to a person under twenty-one years of age. Fees come from the board's published table. An exam candidate applying under equivalent standards pays a testing fee of $50. Initial licensure after the national exams are complete costs an application fee of $100 plus a licensing fee of $325. Reciprocal licensure, which is the route for anyone already licensed in another state, costs the same $100 application fee and $325 licensing fee, with or without a record held at the Council of Landscape Architectural Registration Boards. Oklahoma also requires two state-specific written items with the application, an Act and Rules exam and a plant materials exam keyed to a named Oklahoma plant reference. The board grants a one-time, one-year waiver of license fees to an applicant who presents satisfactory evidence of being a low-income individual.

Sourcesoklahoma.gov 1oklahoma.gov 2

Renewal, the seal, and the rules that follow the license

Oklahoma landscape architect licenses are biennial and they share one date. The board states that all Oklahoma licenses, individual and firm, expire on June 30 of every odd year. That matters for a contractor who employs or partners with a licensed landscape architect, because the whole cohort lapses on the same day rather than on each holder anniversary. Reinstatement after cancellation for non-renewal runs through the board's application portal. Once licensed, three statutory duties attach. First, the seal. Each landscape architect must have a seal whose image contains the name of the landscape architect, the person's license number, and the words Licensed Landscape Architect, State of Oklahoma. All technical submissions prepared by that landscape architect, or under the responsible control of that landscape architect, must be sealed, signed and dated, which the Act defines to mean the licensee was in responsible control over the content. Second, the license is personal. The privilege of engaging in the practice is based on the qualifications of the individual, evidenced by the individual license, and the license is not transferable. A firm cannot borrow it and a departing employee takes it with them. Third, two conflict rules. It is unlawful for a landscape architect to accept or receive compensation, directly or indirectly, from any person other than the client in connection with the repair, alteration or construction of a project the landscape architect took employment on. It is also unlawful to bid, or hold a financial interest in any entity competitively bidding, for a contract to repair, alter or erect a building or other structure for which that landscape architect prepared the plans and specifications, unless the contract is a design-build contract. Design- build is the carve-out that lets a combined design and install business operate.

Sourcesoklahoma.gov 1oklahoma.gov 2

Irrigation systems and the Plumbing License Law of 1955

Irrigation is where a landscaping company most often walks into a licensed trade without meaning to. The Plumbing License Law of 1955, which the Construction Industries Board administers, defines plumbing to include all piping, fixtures, appurtenances and appliances for, and in connection with, a supply of water within or adjacent to any building, structure or conveyance, on the premises and to the connection with a water main or other source of supply. It also covers the installation, repair, maintenance and renovation of all that piping. A lawn irrigation system tapped into the potable supply on the premises sits inside that language. The statute then makes the consequence plain. Section 1012 makes it unlawful and a misdemeanor for any person to act as or perform the work of a journeyman plumber until licensed as a journeyman plumber or plumbing contractor. Section 1012 also makes it unlawful and a misdemeanor for any person, firm, partnership, association or corporation to act as a plumbing contractor, or to engage in or offer to engage in, by advertisement or otherwise, the business of plumbing, until that person, a bona fide member of the partnership, or a bona fide officer of the firm, association or corporation is licensed as a plumbing contractor. Note the words by advertisement or otherwise. Offering the work in an ad is itself the violation. The exemptions in Section 1017 do not rescue a lawn irrigation installer. They cover minor repairs to faucets and working parts of fixtures, farm buildings outside a city or town not connected to public water or sewer, maintenance for state institutions and school districts, automatic fire sprinkler systems and standpipes, certain mechanical piping, and an individual working on their own residence.

Sourcesoklahoma.gov 1oklahoma.gov 2

Plumbing contractor bond, insurance and license display

A landscaping company that decides to hold the plumbing side in house has to meet the Board's active contractor conditions, and they are specific. After the exams are passed the license stays inactive until the Construction Industries Board receives proof of two items. The first is a corporate surety bond of $5,000 payable to the Oklahoma Construction Industries Board, carrying original signatures, seals and a power of attorney, issued in the individual license holder's name, continuous, and providing thirty days cancellation notice. The second is a certificate of insurance evidencing a minimum of $50,000 commercial general liability coverage, again in the individual license holder's name, with the Construction Industries Board named as certificate holder. The board warns that failure to keep current insurance makes the license inactive, and that contracting for services without current insurance and an active license is itself a violation. Insurance updates go to the board's insurance staff whenever a policy is renewed or replaced. Then come the display rules, which are the part most contractors ignore until an investigator calls. All vehicles must display the firm name and the license number, with the initials OK preceding that number. Signs and license numbers must be printed in letters and numerals at least two inches high, in a contrasting color, in conspicuous places on both sides of each vehicle. Contractors must display the license number on all advertising, contracts and bids. That is a hard rule with no residential exception, and it applies to a truck wrap, a yard sign, a website and a written estimate alike. For journeyman holders, the board requires continuing education units every thirty-six months.

Sourcesoklahoma.gov 1oklahoma.gov 2

Pesticide applicator licensing for turf and ornamental work

If your crews spray, Oklahoma licenses that, and the Oklahoma Department of Agriculture, Food and Forestry Consumer Protection Services runs it. The department states the trigger in plain words: a pesticide applicator license is required for anyone to act, operate, do business, or advertise commercially or non-commercially. Advertising the service without a license is inside the rule, the same pattern the plumbing statute uses. A commercial applicator is any person who engages in commercial application of pesticides or commercial employment of devices, and commercial application is defined to include advertising of services, recommendation for use, the preparation for application, and the physical act of applying pesticide for hire or compensation. A consultant license covers a person who makes a pesticide recommendation for hire but neither buys nor applies the product. Certification and licensing are two separate things here, and mixing them up is a common and expensive mistake. Passing the exams earns a certification card, and the department states that the certification card is not a license to do pesticide work. A pesticide business license must be obtained by the certified applicator who wants to do the work, or by that person's employer. Exams run through Pearson VUE by appointment, with photo identification required, and a score of seventy percent or above is needed to pass any written exam. The categories relevant to this trade sit under Ornamental and Turf on the department's license application: 3A Outdoor and 3B Interiorscape. A landscaping maintenance crew treating lawns, beds and ornamental plantings is in 3A. A private applicator license does not substitute; the department states it does not qualify the holder to do commercial or non-commercial work.

Sourcesag.ok.gov 1ag.ok.gov 2

Pesticide license fees, financial responsibility and technicians

The department publishes its fee schedule, and the amounts are per category rather than flat. A commercial business license costs $100 per category and is capped at not more than $500 per year. A noncommercial business license costs $50 per category, capped at not more than $250 per year. A consultant license runs $100 per category with the same $500 annual cap. Examinations cost $92, which the department states covers initial certification core testing, categories and service technicians. Reciprocal certification costs $100 per category. A duplicate license or certificate, or the transfer of a service technician identification, costs $10. The private applicator exam is $62 and the private applicator license renewal is $20. Licensing runs annually on a split calendar keyed to the company name: October 1 through September 30 for company names beginning with a number or the letters A through L, and January 1 through December 31 for names beginning M through Z. All currently licensed commercial and non-commercial applicators must apply for renewal every year. Financial responsibility is a condition of the commercial license, not an afterthought. Setting aside aerial applicators, a commercial applicator must show not less than $50,000 bodily injury, $100,000 bodily injury per occurrence, and $50,000 property damage. Certificate of insurance forms come from the department. Crews matter too. A service technician receives an identification card on passing the service technician examination, and the application for that card must be submitted by the licensed employer along with a fee of $20.00 per card. Renewal of a service technician identification is also $20.

Sourcesag.ok.gov

Recertification, continuing education and reciprocity

Oklahoma pesticide certification does not run on your anniversary. The department states that each category recertifies on a five year schedule that is not based on the date the individual was certified, so every certified applicator in a given category sits on the same five year cycle. The department example makes the effect clear: an applicator who first certifies in a category partway through a cycle recertifies at the end of that cycle rather than five years later. For a landscaping owner planning crew coverage, that means your newest sprayer and your most senior one can come due in the same year. There are two ways through. The applicator retakes the written test for each category held, or the applicator collects enough continuing education units to recertify in a category. Recertification by continuing education units costs $50, while recertification by retest costs $92, the same as the original examination. The department notes that when calculating units required for recertification, you do not count the year the applicator most recently became certified, and units accrued during the year of certification do not count toward recertification. Programs are evaluated for unit assignment by the department's program administrator together with the pesticide coordinator at Oklahoma State University, which reviews topics, speakers and attendance verification. Out-of-state hires have a path. The department states that an individual certified as an applicator in another state may be able to attain certification in Oklahoma under a reciprocal agreement, and reciprocal certification carries a fee of $100 per category. Separately, applicators certified in two reciprocating states may ask that proof of a completed recertification course be sent to the other state for credit.

Sourcesag.ok.gov

Fertilizer and ag lime licensing from the state agriculture department

Two more Oklahoma Department of Agriculture, Food and Forestry programs catch landscaping businesses that never touch a pesticide. The first is fertilizer. Under the Oklahoma Fertilizer Law, each brand and grade of commercial fertilizer must be registered with the department and properly labeled before being offered for sale or distributed in Oklahoma, with the net weight, brand name and grade, the name and address of the registrant or guarantor, the guaranteed analysis of minimum plant food percentages, and directions for use. Beyond product registration, the department states that any person operating a business engaged in the distribution, use or sale of a commercial fertilizer must obtain a license from the department for each business location. The stated exceptions are the ultimate consumer engaged in the physical act of application, and a retail store selling only bagged registered fertilizer. The law also forbids an owner or operator of a fertilizer storage facility from discharging, releasing or placing fertilizer material where it is likely to contaminate surface or ground water of the state, and department field staff inspect each Oklahoma facility at least annually. The second program is ag lime. The Oklahoma Agricultural Liming Materials Act requires any person spreading liming materials commercially, or on properties belonging to others, to obtain an ag lime vendor license. The fee is $25.00 annually and the license expires December 31 of each year. Liming materials themselves must be registered and labeled with the manufacturer or distributor name and principal office address, brand or trade name, product type, net weight, and the minimum guaranteed effective calcium carbonate equivalent. Soil amendment work priced as a service is still regulated distribution in Oklahoma.

Sourcesag.ok.gov 1ag.ok.gov 2

Oklahoma City: what gets registered and what does not

Oklahoma City registers contractors by category through its Business Licensing office, and the published category list tells a landscaping owner exactly where the city draws its lines. Registration is the process where contractors apply to legally perform work in Oklahoma City. The categories published are boiler, building contractor for residential only, electrical, fence, house moving, insulation, mechanical, plumbing, prequalified, sidewalk and sign. There is no landscaping category and no lawn irrigation category. Several of those categories still land on hardscaping scopes. Fence contractor covers any person engaging in the business of installing, constructing, erecting, repairing, altering or servicing fences, under municipal code section 19-1. The fence contractor license costs $100, requires a written test scheduled with the city Chief Building Inspector, and requires a $1,000 bond at both issue and renewal, along with a contractor information sheet, photo identification and an immigration affidavit. Sidewalk contractor, under municipal code section 50-126, covers any person constructing or repairing a driveway on any part of the street, parking lot or other public property, or a setback of the curb along any public street or sidewalk, which is the category for a driveway approach tied to a new patio or parking pad. That license costs $75, with renewal of an expired license at $150, and requires a passed test, a copy of an ADA certificate or card, general liability insurance and a $2,000 bond. Plumbing contractor registration is the registration of a state license with the city at $100 initial and annually, and the city points applicants to the Construction Industries Board for the underlying state license. Residential building contractor registration is $100.

Sourcesokc.gov

Tulsa: trade permits, registration and earth change

Tulsa runs the same pattern with different paperwork. The Development Services Permit Center publishes the application set, and the gate sentence on that page is short: only a licensed tradesperson may apply for trade permits. The trade permit applications the city lists are electrical, mechanical and plumbing, with separate residential and commercial plumbing request forms. There is no landscaping permit and no irrigation permit on the list, which means an irrigation tie-in in Tulsa travels as a plumbing permit pulled by a licensed plumber. Before any of that, the city uses a Contractor Registration and Account Information Form, so the account relationship with Tulsa exists independently of the state license. Two other items on the list matter to this trade. The city issues Watershed Development permits, including a Watershed Development permit for earth change only, which is the filing that attaches to grading, cut and fill, and drainage work on a lot rather than to any structure. A landscaping contractor moving dirt in Tulsa should assume that scope is permitted work and ask the Permit Center before the skid steer arrives. The city also publishes insurance affidavits, specifically an exemption from the Workers Compensation Act for a firm, corporation or limited liability company, an exemption for an individual doing business, and an exemption from general liability and workers compensation for an individual homeowner. Those forms exist because Tulsa checks coverage at the permit counter, which is where a landscaping subcontractor without a certificate gets stopped. Right of way minor construction permits cover work that crosses into the public right of way, a common situation for a front yard rebuild.

Sourcescityoftulsa.org

Advertising, truck lettering and what you may call yourself

Oklahoma gives a landscaping contractor very little to advertise and two hard prohibitions to respect. There is no state landscaping license, so there is no state license number to put on an ad and no lawful way to imply one exists. Claiming to be state licensed for landscaping is a claim about a credential Oklahoma does not issue. The first prohibition is the title. The State Architectural and Licensed Interior Designers Act makes it unlawful to use the title landscape architect, or derivations of those words on any sign, title, card or device, or to advertise any title or description tending to convey the impression that you are a landscape architect, unless licensed. Landscape designer and landscape contractor are different words and the Act's exemptions name them. Landscape architect is the protected one. The second prohibition is the plumbing statute. It is unlawful and a misdemeanor to engage in or offer to engage in, by advertisement or otherwise, the business of plumbing without a plumbing contractor license, so an ad offering sprinkler system installation from an unlicensed company is itself the offense. The pesticide rule mirrors it: a license is required for anyone to act, operate, do business, or advertise commercially or non-commercially. What you can advertise is what you actually hold. If you carry a Construction Industries Board plumbing contractor license, the board requires the number on all advertising, contracts and bids, and on both sides of every vehicle in letters and numerals at least two inches high in a contrasting color, with the initials OK preceding the number. If you hold a pesticide business license and 3A certification, say so by category. Those are checkable claims, and checkable claims win jobs.

Sourcesoklahoma.gov 1oklahoma.gov 2oklahoma.gov 3ag.ok.gov 4

How a customer verifies an Oklahoma landscaping contractor

Give homeowners the verification path and you convert the regulatory mess into a selling point. Oklahoma keeps three public searches, each held by the agency that issues the credential. For trade licenses, the Construction Industries Board publishes an Are They Licensed page that links a licensee search covering building and home inspectors, electrical, mechanical and plumbing licensees, plus a separate search for registered roofing contractors and a roofing complaints route. That is where a homeowner confirms a plumbing contractor license behind an irrigation tie-in. For the protected title, the Board of Governors of the Architects, Landscape Architects and Licensed Interior Designers of Oklahoma publishes a licensee and firm search from its own site, which is how a client confirms that the person who sealed a planting and grading plan is actually licensed and that a firm holds a certificate of authority. For pesticide work, the Oklahoma Department of Agriculture, Food and Forestry links a public license and registration search, published as AGLook, from its plant industry pages, and the department's Consumer Protection Services division also takes complaints. City registration is verified a fourth way, by calling the issuing office, because Oklahoma City Business Licensing and the Tulsa Permit Center hold those records locally rather than in a statewide database. Tell customers which of these applies to the work they are buying. A planting and maintenance job may involve no license at all, and saying that honestly is better than implying one. A sprinkler installation, a chemical program and a sealed design each have a different public record behind them, and a contractor who names the right one looks like the only serious bidder on the street.

Sourcesoklahoma.gov 1oklahoma.gov 2accessodaff.ag.ok.gov 3ag.ok.gov 4

Penalties for unlicensed work

The penalty structure differs by which law you crossed, and none of it is trivial. Under the Plumbing License Law of 1955, any person who violates the act, or any provision of a city, town or sewer commission ordinance enacted under its authority, is guilty of a misdemeanor on conviction and must be punished by a fine of not less than $200.00 and not more than $1,000.00, together with the costs of prosecution, in addition to possible suspension or revocation of a license. The Plumbing Hearing Board can separately impose an administrative fine of not more than $500.00 for each violation after a hearing, each day in violation may count as a separate violation, and the maximum administrative fine will not exceed $1,000.00. The board may also apply to court for an injunction against the prohibited acts. Under the State Architectural and Licensed Interior Designers Act, any person or entity convicted of violating any provision is guilty of a misdemeanor, each day of continued violation is a separate offense, and the punishment on conviction is imprisonment in the county jail not to exceed one year, or a fine of not more than $1,000.00, or both, for each offense. The board may ask the district attorney to prosecute and to seek an injunction. The Act also carries a civil track: a person or entity the board determines to have violated the Act, a rule or an order may be liable for a civil penalty of not more than $100.00 for each day the violation continues, plus the board's legal costs, with the maximum civil penalty capped at $10,000.00 for any violation plus those costs. Daily accrual is the part that hurts.

Sourcesoklahoma.gov 1oklahoma.gov 2

What we could not confirm

These are common details other guides publish about Oklahoma, but we could not verify them from the agency source. Confirm them directly before relying on them.

  • Tulsa contractor registration fee amount: the city publishes the registration form but no fee figure was retrieved from a city page.
  • Whether any Oklahoma city licenses lawn irrigation installers as a standalone category: no such category appears on the Oklahoma City or Tulsa published lists, and no city ordinance creating one was confirmed.
  • Oklahoma certification requirements for backflow prevention assembly testers: no Department of Environmental Quality or Construction Industries Board rule setting a tester certificate was located, so no figure or requirement is stated.
  • The number of continuing education units required per pesticide category for recertification: the agriculture department references a unit requirement table that was not retrieved.
  • The biennial renewal fee for an Oklahoma landscape architect license and for a firm certificate of authority: the board published table shows application and initial licensing fees only.
  • The plumbing code edition adopted in Oklahoma for irrigation and backflow installations: the Construction Industries Board rules are codified at Title 158 of the Oklahoma Administrative Code, but the adopted code edition was not confirmed from a fetched page.
  • Whether Oklahoma sales tax applies to landscaping labor: no Oklahoma Tax Commission page was fetched, so no rate or rule is stated.
  • Nursery dealer or plant dealer licensing for landscapers who resell plant material: the agriculture department lists a nursery industry program, but no licensing page or fee was retrieved.
  • Oklahoma City permit fee amounts for retaining walls, patios and grading: the city permit fee schedule was not fetched.
  • Whether a landscaping business applying fertilizer on client property falls inside or outside the fertilizer license exception for the ultimate consumer engaged in the physical act of application: the statute text retrieved does not resolve it.

Oklahoma landscaping licensing questions

Does Oklahoma require a state license to run a landscaping business?

No. The Construction Industries Board states on its own site that general contractors are not currently required to have a state license in Oklahoma, while trade licenses and registrations are required for licensed trade work. Landscape design, planting, sod and hardscaping carry no state landscaping license. Plumbing, pesticide and city registration rules still reach the work.

Who controls the title landscape architect in Oklahoma?

The Board of Governors of the Architects, Landscape Architects and Licensed Interior Designers of Oklahoma. Under the State Architectural and Licensed Interior Designers Act, no person may practice landscape architecture or use the title landscape architect, or derivations of those words on any sign, title, card or device, without a license from that board.

Can I design a residential yard without a landscape architect license?

Yes, within the statutory exemptions. Section 46.28 exempts a landscape designer or contractor whose business is choosing types of plants, planning their location and the design of settings for those projects, or whose work is limited to single-family residential projects. It also exempts installing what a licensed landscape architect designed. The title stays off limits.

Do I need a plumbing license to install a sprinkler system in Oklahoma?

Plan on it. The Plumbing License Law of 1955 defines plumbing to include all piping, fixtures and appurtenances for a supply of water within or adjacent to any building or structure, on the premises and to the connection with a water main. The statute also makes offering the business of plumbing by advertisement a misdemeanor without a license.

What bond and insurance does an Oklahoma plumbing contractor license require?

The Construction Industries Board keeps the license inactive until it receives a $5,000 corporate surety bond payable to the board in the individual license holder's name, continuous with thirty days cancellation notice, plus a certificate of insurance showing at least $50,000 commercial general liability coverage naming the board as certificate holder.

Do I need a license to treat weeds on a client's lawn?

Yes. The Oklahoma Department of Agriculture, Food and Forestry states that a pesticide applicator license is required for anyone to act, operate, do business, or advertise commercially or non-commercially. Commercial application is defined to include advertising of services, recommendation for use, preparation for application, and the physical act of applying pesticide for hire.

Which pesticide category covers lawn and ornamental work?

The department license application lists Ornamental and Turf as category 3A Outdoor and category 3B Interiorscape. Outdoor lawn, bed and ornamental treatment sits in 3A. Interior plantings sit in 3B. A commercial business license costs $100 per category with an annual cap of $500 across categories.

What proof of financial responsibility does a commercial applicator need?

The department states that a commercial applicator must provide proof of financial responsibility, and setting aside aerial applicators the amounts required are not less than $50,000 bodily injury, $100,000 bodily injury per occurrence, and $50,000 property damage. Certificate of insurance forms come from the department, and the license runs annually.

Does Oklahoma City register landscaping contractors?

Not as a category. The published Oklahoma City list covers boiler, residential building, electrical, fence, house moving, insulation, mechanical, plumbing, prequalified, sidewalk and sign contractors. Fence work needs a $100 license, a written test with the Chief Building Inspector and a $1,000 bond. Sidewalk and driveway approach work needs a $75 license and a $2,000 bond.

What does Tulsa require before my crew pulls a permit?

Tulsa Development Services states that only a licensed tradesperson may apply for trade permits, and the city uses a Contractor Registration and Account Information Form for the account itself. Grading and drainage work can require a Watershed Development permit for earth change only. The city also publishes workers compensation exemption affidavits used at the permit counter.

Where does my license number have to appear?

If you hold a Construction Industries Board contractor license, the board requires the number on all advertising, contracts and bids, and on both sides of every vehicle. Signs and license numbers must be at least two inches high in a contrasting color, with the initials OK preceding the number, and the vehicle must also show the firm name.

What happens to a contractor who works without the license Oklahoma does require?

Unlicensed plumbing work is a misdemeanor punished by a fine of not less than $200.00 and not more than $1,000.00 plus prosecution costs, with administrative fines up to $500.00 per violation capped at $1,000.00. Violating the architects and landscape architects act is a misdemeanor carrying up to one year in county jail or a fine up to $1,000.00, or both.

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