Maine · Landscaping licensing · official-source guide
Maine licenses no landscaping contractor. The Board of Licensure for Architects, Landscape Architects and Interior Designers licenses only the title and practice of landscape architecture. What binds an installation crew instead is Board of Pesticides Control licensing for any application for hire, Maine DEP erosion control certification for shoreland work, municipal shoreland permits, and a written contract above $3,000.
State-level license
No — see local details
Public lookup
Verify a licenseVerified against agency sources on 2026-10-12. Rules and fees change; confirm with the named authority before relying on this guide.
Maine issues no state license for a planting, lawn or hardscape contractor. The Office of Professional and Occupational Regulation runs the trade boards, and none of them licenses sod, beds, grading, patios, walls or walkways as an occupation. The Board of Licensure for Architects, Landscape Architects and Interior Designers is the nearest board, and it regulates a protected title and a design practice, not installation crews. That does not leave a Maine company unregulated. It moves the regulation to four other places. The first is the Board of Pesticides Control, which licenses anyone who applies a pesticide as a service for compensation, and its own licensing page names lawn and landscape care as an example. The second is the Department of Environmental Protection, whose erosion control certification is written into statute for excavation in a shoreland area. The third is the municipality, which issues the shoreland zoning permit and the internal plumbing permit through its code officer. The fourth is Maine contract law, which sets what a residential agreement above a dollar threshold has to say in writing. For a company selling work in Maine, the practical result is that there is no state contractor number to paint on a truck. What you can put there is a Board of Pesticides Control license, a Maine DEP erosion control certification, and the plumbing license held by whoever ties an irrigation line into a drinking water supply. All three are checkable by a stranger. A homeowner on a great pond can confirm the erosion control credential before you ever quote, which is why it sells harder in Maine than a claim about years in business.
Sourcesmaine.gov 1maine.gov 2mainelegislature.org 3mainelegislature.org 4
Title 32, section 220, subsection 2 says a person may not use the title landscape architect, profess to be a landscape architect, or sign drawings or specifications as a landscape architect unless licensed by the board. The statute then defines the regulated practice narrowly. It covers consultations, investigations, technical submissions and administration of construction contracts for public land development and enhancement projects involving site vehicular access and circulation, multi-vehicle parking areas, grading and drainage of those ways and areas, and site grading that produces drainage flows exceeding the previously existing drainage capacity. The statute attaches that practice to submissions that require the stamp or seal of a licensed professional for a permit or approval under a municipal land ordinance, site plan ordinance, zoning ordinance or state land development law. Read it carefully and two things follow for an installation company. Designing a residential planting plan, a stone terrace or a backyard drainage swale is not the regulated practice, because nothing there needs a stamped submission for a municipal or state approval. Calling the person who drew it a landscape architect is a violation whether or not the drawing needed a stamp. The board states on its licensing page that, unless specifically exempted, a license is required to practice landscape architecture in Maine, with the exemptions sitting in section 226. The statute also protects the licensee. A licensed landscape architect may do architectural work that is incidental to the landscape architectural work, and the subsection may not be read to affect the practice of architecture, engineering or any other recognized profession. So the title is the fence, and the stamped public project is the ground it encloses.
The board offers four routes, and every one of them ends at the same exam. An applicant must pass each division of the Landscape Architect Registration Examination, and candidates register for it directly with the Council of Landscape Architectural Registration Boards rather than with Maine. Evidence of education and experience goes into the CLARB record, which CLARB then transmits to the board. The four pathways differ only in how much supervised experience the degree buys you. A degree accredited by the Landscape Architectural Accreditation Board or the Canadian Society of Landscape Architects Accreditation Council, accredited not later than two years after the degree was received, requires two years of experience in the regulated practice, with at least one year under the direct supervision of a licensed landscape architect. The same degree from a program that was not accredited requires four years, with at least two under a licensed landscape architect. A bachelor's degree or higher in another field from a regionally accredited institution requires six years, with at least three under a licensed landscape architect. Experience only requires eight years, with at least four under a licensed landscape architect. In each case part of the balance may sit under the direct supervision of a licensed professional in a related field. There is also a certification route, which runs on verification of CLARB certification plus verification of an active license issued by another state. Title 32, section 220 adds a courtesy for an incoming licensee: an applicant holding a current license in another jurisdiction with a council certificate may offer to render services in Maine before licensure if the applicant first notifies the board in writing, but may not render services until licensed.
The board publishes one fee table for all three of its credentials, and the landscape architect numbers are the same as the architect numbers. A new application costs a $50.00 application fee plus a $70.00 license fee, with a $21.00 criminal records check on top. The term is annual. Renewal is a $70.00 annual fee and the license renews on June 30. Miss that date and the board assesses a $50.00 late fee. The deeper trap is the ninety day line. A person who submits a renewal application more than ninety days after the expiration date is subject to all the requirements governing new applicants and has to reapply with the original license application, documentation and fees. The board may, at its discretion, waive the examination requirement for an applicant applying for reinstatement within two years of expiration, which means the Landscape Architect Registration Examination is not automatically behind you once a lapse runs long. Renewal reminders go out by email at least thirty days before expiration, to the address on file, and the board puts the responsibility for keeping that address current on the licensee. Licenses themselves now arrive by email rather than on paper. The sender shows as a no reply state address and the subject line announces that the official license is attached. Separately, Title 10, section 8003-G gives every licensee and applicant ten days to report in writing a change of name or address, a criminal conviction, discipline against any occupational license in any jurisdiction, or any material change in the conditions set out in the original application. The board warns that failing the ten day notice can bring sanctions.
Sourcesmaine.gov
This is the rule most out of state firms miss, and it is written down. Board rules Chapter 13, section 6 require a landscape architect to display the legend Maine Licensed Landscape Architect in all advertising and promotional materials published by or on behalf of that named landscape architect relating to landscape architectural services for Maine located projects. The rule says those materials include but are not limited to print media, web sites and social media platforms. The second half of the same section reaches your paperwork. A landscape architect has to display the same legend on the business card and beneath the name on all professional correspondence, proposals and solicitations signed by or on behalf of that landscape architect for Maine located projects. The board repeats the requirement as a standing reminder on its home page, phrased as a duty to display licensed status in all advertising, promotional materials, correspondence and business cards. Two practical consequences follow. If your firm holds the license, the legend belongs in the footer of the website, on the proposal template, in the email signature and on the card, not only on stamped drawings. If your firm does not hold the license, the reverse rule in Title 32, section 220 applies, and no version of the words landscape architect, landscape architecture or landscape architectural design belongs anywhere in your marketing. Maine gives you plenty of accurate alternatives that need no license at all. Planting design, garden design, hardscape installation, site work and grading are all honest descriptions of the work, and none of them collides with a protected title.
Sourcesmaine.gov 1maine.gov 2
Title 10, section 8003-C sets one penalty scheme for every board inside the Office of Professional and Occupational Regulation, so it is the section that prices the risk of calling yourself a landscape architect in Maine. A board may receive or initiate complaints of unlicensed practice. The complaint may be investigated by the office, by the Attorney General's office, or by a board complaint officer or inspector, and if sufficient evidence turns up it must be compiled and handed to the Department of the Attorney General or the local district attorney for prosecution. On the criminal side, a person who practices or represents to the public that the person is authorized to practice a profession, and who intentionally, knowingly or recklessly fails to get the required license, or who practices after a license has expired or been suspended or revoked, commits a Class E crime. With a prior conviction under the same subsection, where the earlier conviction precedes the new offense by no more than three years, the offense becomes a Class D crime. On the civil side the statute is blunter and easier to use. Practicing, or representing to the public that you are authorized to practice, without a required license or after one has lapsed, is a civil violation punishable by a fine of not less than $1,000 and not more than $5,000 for each violation. The action may be brought in District Court, or in Superior Court when combined with an injunction action, and the Attorney General may seek that injunction. Note the phrase representing to the public. A website claim can trigger this section without any drawing ever being stamped.
Sourcesmainelegislature.org
This is the Maine credential that touches the most companies, and the Board of Pesticides Control states the trigger in plain language. A commercial applicator license is required for the use of any pesticide as a service for which compensation is received, and the board's own examples include lawn and landscape care and tree and shrub care. It is also required for the application of any restricted or limited use product for a purpose other than producing an agricultural commodity, for the use of any pesticide on sites open to public use, and for use by a government employee as part of the job. Open to public use is defined broadly: property counts when the owner permits routine access by the public even if a fee is charged, and the board lists office and apartment buildings and grounds, golf courses, campgrounds and other outdoor recreation facilities, hospitals and nursing homes, and retail and commercial space. Maine then splits the license into two levels. The commercial applicator operator license is the minimum for a technician working under the supervision of a licensed master applicator, and that operator license is only in effect while the employing company has at least one licensed master. The commercial applicator master license is required for one individual within each company, organization, branch office or agency, and the board intends it for the owner, supervisor or manager responsible for major pest management decisions, use policy and employee training. Every branch office needs its own master. The license is company affiliated, so it is voided the moment the holder leaves, and the board tells employers to report terminations because the company can stay liable for applications by a former employee until it does.
Sourcesmaine.gov 1maine.gov 2
Maine runs two clocks, and confusing them is how companies lapse. Certification is earned by exam and lasts six years. The license is a separate document that must be renewed every two years, renewable on December 31. An operator candidate passes a minimum of two written closed book exams, the Core exam on general pesticide information plus at least one category exam. A master candidate passes a minimum of three, then adds a test on pesticide regulations and an oral examination conducted by board staff. Written exams cost $10.00 each. The master regulations and oral exams cost an additional $50.00. Exam fees are waived for governmental examinees. Both exams have to be passed within one year of each other, and if only one is passed inside that year the candidate retakes every exam, including the ones already passed. Rescheduling requires at least twenty four hours notice, and missing that forfeits the fees and adds a $15.00 reapplication fee on refiling. Exams run weekly at the board offices in Augusta by prefiled application, with Presque Isle available by arrangement. Continuing education holds the certification open. A commercial master needs eighteen credits across the six year period and a commercial operator needs twelve, where one credit equals one hour of approved training. Categories matter commercially. Turf work sits in 3B and ornamental beds and shrubs in 3A, but the board warns specifically that weed control on sidewalks, patios, driveways or parking lots belongs to category 6B, Industrial, Commercial and Municipal Vegetation Management. Treating a client's driveway seams on a 3A or 3B license is an offense the board says its summary reports keep catching.
Sourcesmaine.gov
Two separate payments run in parallel, one for the person and one for the business. On the 2026 commercial pesticide applicator license application the board prints an initial license fee of $105.00 and a renewal fee of $105.00, with no fee to replace a license or to upgrade or add a category. On the 2026 spray contracting firm license application the board prints an initial license fee of $300.00 and a renewal fee of $300.00, with no fee for a replacement license. The board's commercial applicator web page still shows older figures of $70.00 for the applicator license and $200.00 for the firm license, both on a two year term renewable December 31, so confirm the amount against the current application form before mailing a check. The firm license is not optional for most companies. The application states that Chapter 35 of the board's regulations requires a contracting firm license for all incorporated companies, partnerships or sole proprietors with employees that apply pesticides for hire in Maine. The board's web page frames the same rule as applying to all custom applicator companies other than a sole proprietor with no other employees, or a company applying only on premises it owns or leases. Two conditions ride along with the firm fee. The firm must employ a licensed commercial master applicator, and it must file proof of insurance. That proof takes the form of an Affidavit of Insurance Coverage, which has to be completed before licensing, and the board describes the affidavit as a legally binding document assuring that liability coverage is in effect for custom applications.
Maine has a credential requirement that catches hardscape and grading crews rather than designers, and it is statutory. Title 38, section 439-B defines an excavation contractor as an individual or firm engaged in a business that causes the disturbance of soil, including grading, filling and removal, or in a business where soil disturbance results from an activity the firm is retained to perform. A patio, a retaining wall, a driveway, a regrade and a new bed all qualify. The section then requires that an excavation contractor conducting excavation activity in a shoreland area ensure that a person certified in erosion control practices by the department is responsible for management of erosion and sediment control practices at the site, and is present at the site each day earth moving activity occurs, for long enough to ensure proper practices are followed. The duty runs until erosion control measures that will permanently stay in place have been installed, or, where the site is to be revegetated, until measures are in place that will hold until vegetation is sufficient to prevent erosion. The statute carves out activities that add or displace less than one cubic yard of earth material, and agriculture or timber harvesting where best management practices are used. Maine DEP summarizes the same duty in its own words and tells contractors to contact the local code enforcement officer for specific standards. The department also points to a second trigger. Under the Maine Construction General Permit, a project disturbing over one acre must file a Notice of Intent, and the operator, the resident inspector and the preparer of the stormwater pollution prevention plan each need valid department certification in erosion control practices.
The Maine DEP program began in 1997 as voluntary contractor education after the state erosion control law passed, and it has since widened to cover site inspectors and plan preparers. The current route has three steps. First, complete the eight hour Basic and Advanced Erosion Control Practices training course. Finishing the in person course yields a provisional certification good for one calendar year, which can only be used once, and completing the course qualifies you for certification for an additional three years by demonstrating competency. Anyone taking the online version applies for the one year provisional certification on a separate form. Second, demonstrate competency. An installing contractor can submit documentation of an inspection of the contractor's site by a person holding active CPESC certification, or by a Maine DEP third party inspector or a town approved construction phase inspector, or documentation of a successful compliance inspection by Maine DEP, the Land Use Planning Commission or the Maine DOT Environmental Office. There is also a photo route: multiple photos showing sediment barriers installed before soil disturbance, continued function of the practices during construction, and final permanent stabilization. Third, submit the certification application with that competency evidence attached, by email or mail to the Nonpoint Source Training Center. Full certification is then valid for three years, expiring on December 31 of the third year, with separate recertification and reinstatement paths. Companies can certify too. A company certified in erosion control practices has every construction site supervisor individually trained and certified, and it must resubmit a current organizational chart naming all site supervisors to the department every three years. DEP publishes public lists of both certified individuals and certified companies.
Sourcesmaine.gov 1maine.gov 2
Irrigation is where a Maine planting company runs into another licensing board. Title 30-A, section 4215 requires a permit for the installation of plumbing into a building, and that permit is valid for work commenced within twenty four months after it is issued. The same section covers installation of a subsurface waste water disposal system or its components. Who may do licensed plumbing work is set by the Plumbers' Examining Board. Title 32, section 3301 defines a master plumber as an individual qualified under the chapter engaging in or about to engage in the business of installing plumbing or plumbing systems, and a journeyman plumber as a person who customarily installs plumbing and drainage under the employment and direction of a master plumber. The same section defines a limited license as a limited plumber's license to install and service plumbing work related to a specific type of plumbing equipment or to specific plumbing installations, granted after a satisfactory board examination and naming the equipment or installations it authorizes. Experience is fixed by statute and repeated on the board's licensing page. A master license requires at least one year with 2,000 hours of plumbing installation work as a licensed journeyman, or at least four years with 8,000 hours as a licensed trainee under a master. A journeyman license requires at least two years with 4,000 hours as a trainee, or 2,000 hours as a journeyman in training. The board lists a $200.00 license fee plus a $21.00 criminal background check, a biennial $200.00 renewal, a $50.00 late fee inside ninety days, and a $200.00 fee plus a $100.00 penalty between ninety days and two years.
Sourcesmainelegislature.org 1maine.gov 2mainelegislature.org 3mainelegislature.org 4
Maine's Natural Resources Protection Act is the permit most likely to stop a shoreline job, and the trigger list reads like a description of ordinary site work. Title 38, section 480-C says a person may not perform, or cause to be performed, any listed activity without first obtaining a permit from the department if the activity is located in, on or over any protected natural resource, or is located adjacent to a coastal wetland, great pond, river, stream or brook, or significant wildlife habitat contained within a freshwater wetland. The adjacency test also reaches freshwater wetlands that, under normal circumstances, consist of or contain at least 20,000 square feet of aquatic vegetation, emergent marsh vegetation or open water, excluding artificial ponds and impoundments, and peatlands dominated by shrubs, sedges and sphagnum moss. The activities requiring a permit are dredging, bulldozing, removing or displacing soil, sand, vegetation or other materials; draining or otherwise dewatering; filling, including adding sand or other material to a sand dune; and any construction, repair or alteration of any permanent structure. A stone wall, a set of granite steps down a bank, a fire pit pad, a pathway cut, a beach sand delivery and a bed excavation can each land inside that list on the wrong parcel. The statute adds that a person may not perform any activity in violation of the terms or conditions of a permit, so the risk does not end when the permit issues. Separate subsections require a permit for a significant groundwater well and for certain small scale wind energy development. The practical habit is to treat proximity to water as a permit question before pricing.
Sourcesmainelegislature.org
Maine pushes a large share of the regulation that touches this trade down to towns, which is why the same job can need different paperwork in two neighboring municipalities. Title 38, section 438-A directs municipalities to adopt zoning and land use control ordinances for all shoreland areas, under home rule authority, meeting minimum guidelines adopted by the Board of Environmental Protection. Those guidelines have to cover building and structure size, setback and location, the establishment of resource protection, general development, limited residential, commercial fisheries and maritime activity zones, and within each zone the permitted uses, permit criteria, nonconforming uses, land use standards and enforcement procedures. The board must comprehensively review and update the guidelines at least once every four years. One guideline is worth memorizing for crews: a person issued a permit under the article in a great pond watershed must keep a copy of the permit on site while the permitted work is being conducted. The section also limits what towns can be made to require. Minimum guidelines may not force a municipal permit for repair and maintenance of an existing road culvert, or for replacement of one, as long as the replacement is not more than twenty five percent longer than the culvert being replaced and not longer than seventy five feet, and ancillary excavation and filling are included in that exemption. Anyone using it still has to take erosion control measures to prevent sedimentation and must not block fish passage. Plumbing permits are local too, under Title 30-A, section 4215, and Title 32, section 3401 seats a municipal local plumbing inspector with at least four years of inspection experience on the state Plumbers' Examining Board.
Sourcesmainelegislature.org 1mainelegislature.org 2mainelegislature.org 3
Maine replaces a contractor license with a contract statute, and it bites at a low threshold. Title 10, section 1487 requires any home construction contract for more than $3,000 in materials or labor to be in writing and signed by both the contractor and the homeowner or lessee, with both parties receiving a copy of the executed contract before any work is performed. The writing must contain the entire agreement and at least these parts: names, addresses and phone numbers of both parties; the location of the property; the estimated start date and the estimated date of substantial completion; the total contract price, or the agreed price plus a labor and materials estimate under a cost plus formula; the method of payment, with the initial down payment limited to no more than one third of the total price; a general description of the work and materials; the statutory warranty paragraph; a dispute resolution statement offering binding arbitration, nonbinding arbitration or mediation; and a change order statement requiring any price changing deviation to run through a written change order. Title 10, section 1490 prices the failure. A violation is prima facie evidence of a violation of Title 5, chapter 10, and each violation is a civil violation carrying a forfeiture of not less than $100 and not more than $1,000, with a two year limitation period and a defense for an unintentional bona fide error. On coverage, Title 39-A, section 401 requires every private employer, including an independent contractor who hires and pays employees, to secure payment of compensation by buying a workers compensation policy or self insuring, and an employer who has not done so loses the statutory defense in a civil action by an injured employee.
Sourcesmainelegislature.org 1mainelegislature.org 2mainelegislature.org 3
Maine gives a homeowner three public lists, and all three are free, so a company that names its credentials precisely wins the comparison against one that does not. The Office of Professional and Occupational Regulation runs an online licensing portal that searches individuals, companies, worksite permits and other licenses, shows current status, granted authorities and contact information, and searches licensing and disciplinary actions separately. In most cases a downloadable file of the matching records is available, and the board also offers options to find a licensee and to download a list of licensees. The board states that license verifications are available at no charge through that portal and that it does not issue paper verifications at all, so a scanned paper certificate is not how a Maine licensee proves standing any more. Licenses themselves are delivered to licensees by email. The second list belongs to the Department of Environmental Protection, which publishes a public list of individuals certified in erosion control practices and a separate list of companies certified in erosion control practices. For waterfront work that list is the one a cautious lakefront owner checks first. The third route is the Board of Pesticides Control, which maintains the applicator and firm licensing records behind the commercial program and tells employers to report terminated licensees so the company applicator list stays accurate. The marketing lesson is narrow and useful. Say exactly which license, which category and which certification you hold, name the issuing agency, and point the customer at the lookup. Vague claims cost you the job against a competitor who can be verified in under a minute.
These are common details other guides publish about Maine, but we could not verify them from the agency source. Confirm them directly before relying on them.
No. Maine issues no state license for hardscape or planting installation. What can apply instead is Maine DEP erosion control certification when you excavate in a shoreland area, a municipal shoreland zoning permit, a Natural Resources Protection Act permit near water, and a written contract once the job passes $3,000.
No. Title 32, section 220 bars using the title landscape architect, professing to be one, or signing drawings as one without a board license. Planting design, garden design, hardscape installation and site grading describe the same work and collide with no protected title. Use those instead across your site and proposals.
Board rules Chapter 13, section 6 require the legend Maine Licensed Landscape Architect in all advertising and promotional materials for Maine located projects, including print, web sites and social media. The same legend must appear on your business card and beneath your name on all professional correspondence, proposals and solicitations.
A Board of Pesticides Control commercial applicator license. The board requires it for the use of any pesticide as a service for which compensation is received, and names lawn and landscape care as an example. A technician holds the operator level under a licensed master applicator in the same company.
Usually yes. The spray contracting firm license application states that Chapter 35 requires a contracting firm license for incorporated companies, partnerships or sole proprietors with employees applying pesticides for hire in Maine. The firm must also employ a licensed commercial master applicator and file an Affidavit of Insurance Coverage before licensing.
The 2026 commercial applicator license application shows $105.00 to apply and $105.00 to renew, with no fee to add a category. The 2026 spray contracting firm application shows $300.00 initial and $300.00 renewal. The board web page still shows older figures, so confirm against the current form.
No. The board states that weed control on sidewalks, patios, driveways or parking lots requires category 6B, Industrial, Commercial and Municipal Vegetation Management. Category 3A covers outdoor ornamentals and 3B covers turf, and the board says its summary reports keep catching applicators treating areas outside their licensed categories.
Title 38, section 439-B requires an excavation contractor working in a shoreland area to ensure a person certified in erosion control practices by Maine DEP manages erosion and sediment control at the site and is present each day earth moving occurs. Work under one cubic yard of displaced material is excluded.
Completing the eight hour Basic and Advanced Erosion Control Practices course yields a one year provisional certification, usable once. After you demonstrate competency and the department grants full certification, it is valid for three years and expires on December 31 of the third year. Certified companies resubmit a supervisor organizational chart every three years.
Installing plumbing into a building requires a permit under Title 30-A, section 4215, and licensed plumbing work belongs to the Plumbers' Examining Board. A master plumber license costs $200.00 plus a $21.00 background check and renews biennially at $200.00. Ask your local plumbing inspector before tying any irrigation line into a building supply.
Title 38, section 480-C requires a Natural Resources Protection Act permit for removing or displacing soil, sand or vegetation, dewatering, filling, or constructing a permanent structure in, on or over a protected natural resource or adjacent to a coastal wetland, great pond, river, stream or brook. Treat proximity to water as a permit question before pricing.
Through three free public lists. The Office of Professional and Occupational Regulation portal searches individual and company licenses plus disciplinary actions, and the board states verifications are free there and that it issues no paper verifications. Maine DEP publishes lists of certified erosion control individuals and companies. Name your exact credential and point customers there.
We can review the local market, your current search visibility, and paid-search fit before recommending any marketing work.