Wyoming · Landscaping licensing · official-source guide
Wyoming licenses no landscaping contractor. There is no state contractor board and no home improvement registration. What binds you instead is the Wyoming Department of Agriculture commercial pesticide applicator license, required before any pesticide application by contract or hire, city contractor licensing in Casper and Laramie, and the protected landscape architect title under W.S. 33-4-113.
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Verify a licenseVerified against agency sources on 2026-10-12. Rules and fees change; confirm with the named authority before relying on this guide.
Wyoming does not license landscaping contractors at state level. There is no state contractor board, no home improvement registration, and no state trade license for planting, grading, sod, retaining walls or sprinkler installation. The nearest thing in Wyoming law is the architects practice act, W.S. 33-4-101 through 33-4-117, and that act licenses individual architects and landscape architects only. The Wyoming State Board of Architects and Landscape Architects states on its own forms page that it does not license or register firms, that it licenses only individuals, and that business licensure questions go to the Secretary of State. A landscaping company in Wyoming is therefore formed, insured and taxed like any other business, and the work itself is reached in three other places. First, the chemical side: the Wyoming Department of Agriculture licenses commercial pesticide applicators, and that license attaches to spraying for hire. Second, city contractor licensing, which Casper and Laramie both operate and which covers concrete flatwork, retaining walls and lawn sprinkler systems. Third, the title rule in the architects act, which controls what you may print in an ad. None of those three is a landscaping license. Any of the three can shut a job down. A crew that mulches beds, sets pavers and plants trees in unincorporated Wyoming, carrying no pesticide, needs no occupational license from the state at all. The same crew spraying one weed for a fee, or trenching a sprinkler main inside Laramie city limits, needs a specific license, and those two licenses come from two different agencies with nothing in common.
W.S. 33-4-113 says no person shall use the title landscape architect, or any title, sign or card indicating that the person is practicing landscape architecture, unless licensed as a landscape architect by the Wyoming State Board of Architects and Landscape Architects. The same section bars a licensed landscape architect from using the title architect or practicing architecture. W.S. 33-4-114 turns the title into a misdemeanor question. Without a license it is an offense to advertise, represent or in any manner hold yourself out as a landscape architect, to engage in the practice of landscape architecture, or to use any title or description or engage in conduct that reasonably might be expected to mislead another into believing you are one. Conviction carries a fine of not more than $750.00, imprisonment of not more than six months, or both, and the board may ask the attorney general to seek an injunction without proving irreparable injury. Read that against your own marketing. Landscape designer, landscape contractor and landscaping company are not the protected title. Landscape architect, landscape architecture, and anything built to look like a stamped professional credential are. The board was created in 1951 for architects and took on landscape architects in 1991, when the Wyoming Legislature changed its name. It licenses people, holds its own disciplinary record, and publishes a list of active licenses, so a competitor or a customer can check a claim in minutes. A board license is not an annual one either. Under Chapter 8 Section 2 of the board rules, an initial license expires on December 31 of the year following the year of issue, and after that each license expires on December 31 every two years.
Sourceswyoleg.gov 1architects.wyo.gov 2architects.wyo.gov 3architects.wyo.gov 4
The most useful sentence in Wyoming law for a landscaping business sits in W.S. 33-4-111. After exempting federal officers and employees, the section says that landscape architecture as applied in the act shall not restrict the practice of architecture or engineering, nor shall it restrict the customary services normally rendered by landscape nurseries and landscape contractors. That clause is the reason Wyoming has no quiet licensing trap for design and build landscaping. Planting plans, bed layout, plant selection, grading a yard to drain, laying a patio and building a short garden wall are customary services of a landscape contractor, and the practice act does not pull them into licensed practice. Know where the clause stops. W.S. 33-4-101 defines the practice of landscape architecture to include advice, consultation, planning, landscape architectural design, drawings and specifications, overall site plans, landscape grading and landscape drainage plans, planting plans, irrigation plans and construction details, and general administration of the construction contract as the owner's representative, where the safeguarding of life, health or property is concerned. W.S. 33-4-116 requires a licensee to seal every document, plan or design provided. So the live question in Wyoming is never whether you may plant and build. It is whether you are selling sealed plans for a project where life, health or property safety turns on them, and whether you are using the protected title while you do it. Keep the title off the truck and keep sealed work with a licensee. The board publishes the practice act and its current filed rules together, and for landscape architects it has adopted Canon I of the American Society of Landscape Architects code of professional ethics by reference.
Wyoming regulates the chemical half of landscape maintenance, and it regulates it tightly. The Wyoming Department of Agriculture Technical Services Division runs the Pesticide Program and enforces the Wyoming Environmental Pesticide Control Act of 1973. Chapter 28 of the department rules, Applicator Certification Rules and Regulations, Section 3, says that any person making a commercial application of any pesticide is required to obtain a commercial applicator license before any such commercial application. Chapter 28 defines commercial application as the application of any pesticide, excluding sanitizers and disinfectants, done by contract or hire. There is no restricted use carve out in that definition and no general use exemption. Spray a lawn for a weed, treat a tree for insects, apply a pre emergent to a client bed, and you are making a commercial application for hire. W.S. 35-7-363 points the same way from the statute side. The exemption for a private applicator is available only to someone who operates farm property or keeps equipment primarily for his own use and who is not engaged in the business of applying pesticides for hire amounting to a principal or regular occupation and does not publicly hold himself out as a pesticide applicator. A landscaping company advertising weed control fails both tests. W.S. 35-7-359 lists the license classes as commercial applicator and private applicator. A commercial applicator has thirty days to notify the department of a change of address or change of employment.
Sourcesagriculture.wy.gov 1agriculture.wy.gov 2agriculture.wy.gov 3
The Wyoming commercial applicator license is issued by category, and the category that matches landscaping work is Category 903, Ornamental and Turf Pest Control. Chapter 28 breaks it into subcategories. Weed control covers commercial applicators using or supervising the use of any pesticide to control weeds in the maintenance and production of ornamental trees, shrubs, flowers and turf. There are companion subcategories for insect control and for detrimental rodents found in ornamental and turf situations. The standards section spells out what the exam will ask. For weed control you must demonstrate practical knowledge of pesticide problems in the production and maintenance of ornamental trees, shrubs, plantings and turf, including potential phytotoxicity across a wide variety of plant material, drift, and persistence beyond the intended period of pest control. Because applications happen close to houses, the rule requires you to demonstrate practical knowledge of application methods that minimize or prevent hazards to humans, pets and other domestic animals. That is the whole argument for the license in one sentence, and it is worth repeating to a nervous customer. Other categories sit next to 903 and may apply to a full service crew. Right of way work, aquatic work, and sewer line root control each carry their own category, and Category 912 covers aerial application and requires certification in an underlying category as well. You carry the categories you test into, and you may only make commercial applications inside them.
Chapter 28 Section 6 controls certification of commercial applicators. Every applicant requiring examination or re-examination takes the exam at a time and place set by and under the direction of the Director of Agriculture, on department forms. Applicants may test at the Cheyenne office of the Wyoming Department of Agriculture during regular office hours at a time convenient to the applicant and the department, or at other locations through a proctor the department designates. The passing standard is a minimum score of seventy percent on the general examination and in every specific category or subcategory tested. Results come in writing as soon as possible, and in no case later than thirty days. Fail a category and you are re-examined only in the category you failed. Fail twice in a row and you must attend a training program for new applicators approved by the Director before a third attempt. New applicants submit the license application with a commercial applicator license fee of $25.00, payable to the Wyoming Department of Agriculture, and all fees are non refundable. Employees of governmental entities are exempted from the fees when the license is used in official duties. Non resident applicators who meet Wyoming certification requirements and present an applicator license and a letter of verification may be considered certified here and issued a license in the appropriate category, but reciprocal certification is extended only to applicants from states that accept Wyoming certification in return. W.S. 35-7-362 also requires a non resident commercial applicator to submit financial security or proof of liability insurance.
The commercial applicator license in Wyoming does not run on a clean calendar year. Chapter 28 Section 6 says the license is issued for that portion of the calendar year in which it is issued or reviewed plus twenty five months, and expires on January 31 of the appropriate year. Plan around a January 31 deadline, not a December one. Recertification is not a formality, and the Wyoming Pesticide Board of Certification allows three routes. You may accumulate twenty four hours of approved training during the valid years of the license. You may attend the annual recertification short course. Or you may sit re-examination in all applicable categories. Extenuating circumstances may be submitted to the board of certification for review. Applicants meeting recertification requirements submit the renewal application with a commercial applicator renewal fee of $25.00, also non refundable. The Wyoming Department of Agriculture now runs renewals through an online licensing portal that accepts credit cards, where your username is your current license number and the password is issued by the department. The portal also handles contact and business address updates, which matter because the thirty day notification duty on address and employment changes is statutory. To drop a category you simply do not renew it, and the department warns that the system will not let you renew at all until recertification requirements are met. Suspension is worse than lapse: a suspended applicator must retake all applicable exams and pass before resuming, then sits on probation for one year.
Sourcesagriculture.wy.gov 1agriculture.wy.gov 2agriculture.wy.gov 3
Most landscaping companies in Wyoming do not certify every employee, and Chapter 28 Section 7 sets the rules for that. Direct supervision means an application made by a competent person acting under the instructions and control of a certified applicator who is responsible for that person's actions and who is available within a reasonable time and distance, even if not physically present. The rule then tightens it. Availability of the certified applicator must be directly related to the hazard of the situation, and for every application conducted by a non certified person the certified applicator must be reachable by immediate contact through telephone or radio. Where the pesticide poses a potentially serious hazard to people or the environment, the certified applicator must be physically present on site. Where the product label requires it, the certified applicator shall be physically present on site at all times during the application. Evidence of adequate supervision includes, but is not limited to, verifiable written instruction to the competent person. That last line is the one to build a process around. A written instruction sheet per job, per product, signed by the crew lead, is cheap and it is the exact evidence the rule names. W.S. 35-7-376 covers direct supervision at the statute level as well. Practical effect for an owner: one certified applicator can cover a crew, but only with real reachability, real written instructions, and presence on the jobs where the label or the hazard demands it.
Two penalty provisions matter to a landscaping business in Wyoming, and they come from different acts. Under W.S. 35-7-366, any person violating the Wyoming Environmental Pesticide Control Act or a regulation under it is guilty of a misdemeanor and on conviction shall be fined not more than $500.00 or imprisoned in the county jail for not more than one year, or both, for a first offense. A subsequent offense carries a fine of not more than $1,000.00 or up to one year in jail, or both. An offense committed more than three years after a previous conviction is treated as a first offense. The Director may also bring an action to enjoin a violation or threatened violation in the district court of the county where it occurs, and the action may be initiated by the attorney general or the county district attorney. W.S. 35-7-365 gives the Director subpoena power to compel witnesses and records in any hearing affecting a license. Separately, W.S. 33-4-114 makes unlicensed use of the landscape architect title a misdemeanor punishable by a fine of not more than $750.00, up to six months in jail, or both. Neither penalty is the real cost. The real cost is the stop on the job, the injunction exposure, and the fact that W.S. 35-7-360 preserves your civil liability for damage to the person or lands of another caused by pesticide use even when the use conformed to the rules.
If you hold a maintenance contract on school property in Wyoming, the pesticide statute adds notice and posting duties that have nothing to do with your license and everything to do with losing the contract. Notice must be provided to the district not less than seventy two hours before application, and the district then notifies students, teachers and staff. Every notice distributed must be marked with a distribution date and must include the date of application, the location of application or treatment area, the pest to be controlled, the name and type of pesticide to be applied, and a contact for additional information. The school or district retains those notices for two years. On top of the notice, the licensed commercial applicator or school employee applying the pesticide shall post signs on the school building or property stating the date of application, the location or treatment area, the name and type of pesticide, and a contact for more information, and shall provide information on request about how to obtain further detail on the product. For application inside school buildings, signs go up not less than twelve hours before, at main entrances to the buildings and at the entrances to the specific application area. For outdoor application adjacent to a school building or on property used for student activities or playgrounds, signs go immediately adjacent to the treated area and at the entrance to district property. Signs remain posted for seventy two hours. Anti-microbial products such as disinfectants and sanitizers, and home type bait stations, are exempted.
Casper is the clearest example of how Wyoming moves landscaping regulation to the city. The City of Casper Community Development Department issues general and sub contractor licenses by classification, and the published classification list has no landscaping entry at all. It does have entries that catch hardscaping. Concrete Contractor, Flatwork authorizes the business of concrete construction involving flatwork such as driveways, sidewalks, slabs and monolithic slabs, and requires a minimum of one year of experience in concrete flatwork plus proof of testing, with the American Concrete Institute Concrete Flatwork certification named. Concrete Contractor, General adds foundations, structural concrete and retaining walls and requires three years of experience. The fee schedule lists $125.00 new and $62.50 renewal for flatwork and $150.00 new and $75.00 renewal for general concrete, with Class I general contractor at $300.00 new and $75.00 renewal. Class IV, the maintenance and repair class, draws lines a landscaping crew runs into constantly: retaining walls six feet in height or less, fences eight feet in height or less, accessory buildings under two hundred square feet, and exterior sprinkler systems from the vacuum breaker through the sprinkler system. Every applicant for a Casper contractor license must show current liability insurance of at least $250,000.00 for injury or death of one person from one incident, $500,000.00 for all persons from one incident, and $250,000.00 property damage from one incident. Applications must carry affidavits proving the required years of experience, and incomplete applications are returned.
Sourcescms2.revize.com
Laramie is the city where irrigation work becomes a licensed trade. The City of Laramie has required contractor licensing since 2021. All general contractors working in Laramie must be licensed, and trade contractors must hold a City of Laramie license too, in a list the city publishes that includes electrical, mechanical, plumbing, lawn sprinkler, fire protection, gas service, water and sewer, refrigeration and petroleum piping. All individuals performing work in those fields, including masters or supervisors, qualified trade workers and apprentices, must be licensed with the city, and every license and permit must be in hand before work begins. The Code Administration Division fee sheet lists the Lawn Sprinkler System classification at $150.00 for a new license and $20.00 for renewal, the same as water softener, fire protection and petroleum products piping, against $300.00 new and $35.00 renewal for plumbing and mechanical. Licenses run January 1 through December 31, the renewal window opens November 15, and missing December 31 means applying as new and paying the new license fee. Beyond the fee, the city requires an appropriate business location, a telephone answered during normal business hours, a certificate of insurance naming the City of Laramie as certificate holder for $500,000.00 combined single limit with twenty days notice of cancellation, and a State of Wyoming workers compensation certificate of good standing. Every license holder must be represented at all times by a person holding a current city master or supervisor certificate of qualification, and you notify the city within ten days if that person leaves. On the general contractor side, the November 2025 amendment to Laramie Municipal Code Title 15.24 sets the experience behind each class: a Class A qualifier must prove seven years in the construction trade with at least four on qualifying projects plus the ICC National Standard General Building Contractor (A) exam, a Class B qualifier five years with at least three qualifying plus the (B) exam, and a Class C qualifier three years in roofing.
Sourcescityoflaramie.org 1cityoflaramie.org 2cityoflaramie.org 3
Wyoming has no statewide irrigation contractor license and no statewide backflow assembly tester credential that a landscaping business can apply for, so the line is drawn locally and it is drawn at the backflow device. Casper puts it in writing inside its Class IV maintenance classification, which covers exterior sprinkler systems from the vacuum breaker through the sprinkler system. Read that boundary carefully. Downstream of the vacuum breaker is sprinkler work. The connection upstream of it, the potable water supply side, is plumbing, and in Casper that sits with the plumbing and mechanical licensing track rather than the maintenance class. Laramie draws the same line differently by creating a Lawn Sprinkler Contractor classification of its own, separate from its Plumbing Contractor and its Water and Sewer Utility Contractor classifications, and by requiring a master or supervisor certificate of qualification behind each one. The practical rule for a Wyoming landscaping company installing systems in more than one town is to ask each city two questions before bidding. Which classification covers sprinkler installation here, and who is allowed to make and test the connection at the backflow device. Then ask the water utility separately, because the device itself is usually a condition of the water service rather than a building code item. Laramie makes the Civic Access portal the only route for new licenses and renewals, and Casper requires experience affidavits with the application, so neither is a same week fix. Bid the lead time in.
Sourcescms2.revize.com 1cityoflaramie.org 2cityoflaramie.org 3
Two state filings sit under every Wyoming landscaping company regardless of licensing. The Wyoming Secretary of State Business and UCC Center handles formation of an LLC, profit corporation, nonprofit or limited partnership, registered agent appointment, annual report filing, reinstatement, trade name renewal, certificates of good standing and the public business name and filing search. The Wyoming Department of Revenue Excise Tax Division handles the tax side from offices at 122 West 25th Street, Suite E301 in Cheyenne, and runs sales, use and lodging tax registration and returns through the Wyoming Internet Filing System. The division keeps a dedicated contractor registration page, which is the part out of state landscaping companies miss. It carries Construction Project and General Contractor Registration form 121, the Non-Resident Contractor Sales and Use Tax Bond covering a single contract, form 124a, the same bond covering multiple contracts, form 124b, and the Non-Resident Subcontractor Information Report, form 120. If your company is based outside Wyoming and takes a construction project here, that bond and registration path is a real precondition, and the subcontractor report means your Wyoming general contractor will be asking for your numbers. The division publishes jurisdiction tax rate tables and answers taxability questions at a separate address from account maintenance, which is worth using in writing before you decide how to invoice a mixed job of materials, plants and labor.
Sourcessos.wyo.gov 1excise-tax-div.wyo.gov 2excise-tax-div.wyo.gov 3
Wyoming runs workers compensation through the state rather than the private market, and the Wyoming Department of Workforce Services decides whether you are in. Coverage through the department is required before work begins in Wyoming if your business is in an extra hazardous industry, and the department states that coverage is based on your business activity and determined using the North American Industry Classification System. If your classification is optional you may still elect coverage. Registration is through an employer account at the state WYUI system, which can carry both unemployment insurance tax filings and workers compensation premium filings, and the department reviews your information and confirms what your business needs. Premium rates are based on that same classification. Employers report wages and pay through the WYUI account, and claim detail, billing status and payment information are visible through the Provider, Injured Worker, Employer Resource System. Do not treat this as paperwork you can settle later. Laramie will not issue a contractor license without a State of Wyoming workers compensation certificate of good standing, and Casper will not issue one without proof of liability insurance at $250,000.00 per person, $500,000.00 per incident and $250,000.00 property damage. The cheapest sequence in Wyoming is therefore state first and city second: register the entity, open the workforce services account, bind the liability policy, then apply for the city license. Reversing that order is how landscaping companies lose a spring.
Wyoming gives a landscaping contractor no state license number to print, so there is no state advertising display rule to break and nothing to put on the truck door. That cuts both ways. It also means a customer cannot look you up in a state contractor registry, because none exists. What a customer can check is narrower and specific. The Wyoming State Board of Architects and Landscape Architects runs a license verification page that it describes as a primary source for verification of license credentials, updated bi-monthly, with a list of active licenses and credential information, plus a separate page for public disciplinary action and a complaint route. The Wyoming Department of Agriculture Pesticide Program links a Commercial Applicator Search and a Private Applicator Search from its own program page, so anyone can confirm that the person spraying their yard holds a current license. At city level, the Laramie Code Administration Division publishes a list of licensed contractors and gives a building department phone number and email for questions, alongside the International Code Council codes the city has adopted. Three rules follow for your own copy. Do not use landscape architect or landscape architecture unless a licensee is doing that work, because W.S. 33-4-114 makes advertising it a misdemeanor. Do not imply a state contractor license you cannot hold. Do name the licenses you actually carry, by category, because Category 903 Ornamental and Turf and a city lawn sprinkler license are checkable claims and the vague word licensed is not.
Sourcesarchitects.wyo.gov 1architects.wyo.gov 2agriculture.wy.gov 3cityoflaramie.org 4wyoleg.gov 5
These are common details other guides publish about Wyoming, but we could not verify them from the agency source. Confirm them directly before relying on them.
No. Wyoming has no state contractor board and no state license or registration for landscaping, planting, grading or hardscaping work. The licenses that attach are the Wyoming Department of Agriculture commercial pesticide applicator license for spraying for hire, and city contractor licenses in towns such as Casper and Laramie.
Not unless a licensed landscape architect is behind it. W.S. 33-4-113 reserves the title landscape architect, and W.S. 33-4-114 makes it a misdemeanor to advertise or hold yourself out as one without a license, punishable by a fine of not more than $750.00, up to six months in jail, or both.
Yes. Chapter 28 of the Wyoming Department of Agriculture rules requires a commercial applicator license before any commercial application of any pesticide, and defines commercial application as applying any pesticide, excluding sanitizers and disinfectants, by contract or hire. There is no general use exemption for a paid application.
Category 903, Ornamental and Turf Pest Control, with subcategories for weed control, insect control and rodent control in ornamental trees, shrubs, flowers and turf. You test into the categories you intend to work in, and your license is limited to those categories.
Chapter 28 Section 6 sets a commercial applicator license fee of $25.00 for a new license and $25.00 for renewal, payable to the Wyoming Department of Agriculture and non refundable. Employees of governmental entities are exempt from the fees when the license is used in official duties.
It is issued for the remainder of the calendar year in which it is issued or reviewed plus twenty five months, and expires on January 31 of the appropriate year. Recertification is twenty four hours of approved training during the valid license years, the annual recertification short course, or re-examination in all applicable categories.
Not at state level. Laramie does, by name: Lawn Sprinkler System is a city trade contractor classification at $150.00 new and $20.00 renewal. Casper handles sprinkler work inside its Class IV maintenance classification, which covers exterior sprinkler systems from the vacuum breaker through the sprinkler system.
No statewide backflow assembly tester credential was found for a landscaping contractor to apply for. The boundary is set locally at the device, and the connection on the potable supply side falls to the plumbing track. Ask the city building department and the water utility separately before you bid an installation.
In Casper that depends on size. Class IV covers retaining walls six feet in height or less and fences eight feet in height or less, while taller retaining walls fall to the Concrete Contractor, General classification, which requires three years of experience. Confirm the threshold with the city before you quote.
Casper requires at least $250,000.00 for injury or death of one person from one incident, $500,000.00 for all persons from one incident, and $250,000.00 property damage. Laramie requires $500,000.00 combined single limit naming the city as certificate holder, with twenty days notice of cancellation, plus a state workers compensation certificate of good standing.
The Wyoming Department of Workforce Services decides it. Coverage through the department is required before work begins if your business is in an extra hazardous industry, determined from your activity using the North American Industry Classification System. You register through an employer account in the state WYUI system and the department confirms what applies.
Partly. The Wyoming Department of Agriculture Pesticide Program links a Commercial Applicator Search from its program page. The Wyoming State Board of Architects and Landscape Architects runs a license verification page with a list of active licenses. Laramie publishes a list of licensed contractors. There is no state landscaping contractor registry.
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