Maine Contractor License Bond Requirements

Verified August 12, 2026 against primary sources from the Office of the Maine Attorney General and the Maine Revisor of Statutes. Requirements are subject to current state statutes and agency rules, which change without notice. Confirm the figure that applies to you before you file.

Does Maine require a contractor license bond?

No, not at the state level. No contractor licensing board. Home construction is governed by contract law and enforced by the Office of the Maine Attorney General. Maine licenses no general contractors. The Attorney General's own consumer protection guidance says it plainly: in Maine, general contractors and trades such as roofing and framing are not licensed or regulated. What Maine regulates instead is the contract.

What section 1487 requires in every home construction contract over $3,000

• Names, addresses and phone numbers of both parties, and the location of the property.
• Estimated commencement and substantial completion dates. These may change for circumstances beyond your control, which the statute says includes the job site not being ready and building materials being unavailable.
• The total contract price including all costs, or, on a cost-plus job, the agreed formula plus an estimate of labour and materials.
• The method of payment, with the initial down payment limited to no more than one third of the total contract price.
• A general description of the work and materials.
• A specific warranty statement, quoted verbatim in the statute, warranting the work free from faulty materials, built to the applicable building code, constructed in a skillful manner and fit for habitation or appropriate use, with Maine Uniform Commercial Code warranty rights and remedies applying.
• A dispute resolution election, letting the parties choose binding arbitration, nonbinding arbitration or mediation, in addition to the small claims option.
• A change order statement, requiring any deviation that changes the price to be executed only by written change order.
• Door-to-door and home solicitation cancellation rights where those laws apply, insulation disclosures on existing residences, and a statement on whether the work meets Maine's minimum energy efficiency standards for new residential construction.
• As an addendum, a copy of the Attorney General's consumer protection information on home construction and repair, which includes information on contractors successfully sued by the State, plus a clear and conspicuous notice pointing the homeowner to the Attorney General's website.

Where the requirement actually sits in Maine

Maine does license some trades through the Office of Professional and Financial Regulation, notably plumbing, electrical and heating and ventilation work, and those carry their own requirements. Municipalities may also require permits and, in some cases, local registration. Confirm the trade licensing position with the relevant Maine board before assuming that no general contractor licence means no credential at all.

Two of those clauses cost real money if you ignore them

• The one third down payment cap. A contractor asking half up front on a Maine home construction contract is asking for something the statute does not allow. On a large custom build that is a material cash flow difference, and it is why working capital matters more in Maine than in a state where you can collect a bigger deposit.
• The written change order clause. Verbal change orders lose residential contractors margin everywhere, but the contract Maine requires you to sign says in terms that any price change needs a written change order. That protects you if you use it and works against you if you do not.

What this means if you build in Maine

For a contractor, Maine is a state where your paperwork and your insurance are doing the job a licence does elsewhere. There is no state financial responsibility screen, so nothing is filtering the competitors bidding against you or the subs you hire, and the Attorney General publishes the names of contractors it has successfully sued. That makes your own certificates, your written contracts and your claims record the whole of your credibility. Two practical moves: collect and check certificates of insurance on every sub yourself, because Maine is not doing it for you, and treat the section 1487 contract as your first line of defence rather than a formality. On the bonding side, public work in Maine still requires bid, performance and payment bonds, and that is a financial statement conversation that has nothing to do with licensing.

A license bond is not a contract bond

This is the distinction that costs Maine contractors work. A license bond is what the state or the city requires before it will let you operate. It is a fixed amount, it renews annually, and it protects the public. It says nothing about whether you can bond a job.

A performance bond is different. That is job-specific, written at the full contract value, and it is what an owner requires before awarding you the work. Contractors who assume their license bond makes them "bonded" find out otherwise the first time they try to bid public work.

The two are connected in one direction that matters: the financial file that gets you a license bond easily is the same file a surety underwriter reads when you ask for a performance bond. Building it properly now is what makes the bigger bond reachable later. See how contractors qualify for bonds and how a bond program gets built.

A license bond is also not insurance. It does not protect you - if a claim is paid, you reimburse the surety. See surety bonds versus insurance.

Maine contractor license bond FAQ

Does Maine require a contractor license bond?

No. Maine issues no general contractor licence, so there is no state licence bond. Maine regulates the written contract rather than the contractor, and the rules there are strict and specific.

How much is a Maine contractor license bond?

There is no statewide amount because there is no statewide requirement, and for most building contractors there is no city bond either. Cities require general liability insurance instead, commonly $1,000,000 per occurrence and $2,000,000 aggregate. The bond attaches to right-of-way work: Fort Collins requires $100,000, or $250,000 for directional boring, and Denver's paving bond is $50,000 under DRMC 49-626.

Do I need a bond to be a general contractor in Maine?

In the jurisdictions we verified, generally no. Fort Collins requires no bond on general or specialized trade licenses, and the Pikes Peak Regional Building Department requires none either. Both require general liability insurance. Aurora is the exception we confirmed, with a $20,000 license and permit bond on some classes. Confirm with the city you are pulling the permit in.

Is a Maine license bond the same as a performance bond?

No. A license bond is a fixed annual requirement to hold your license and it protects the public. A performance bond is job-specific, written at the full contract value, and required by the project owner before award. Holding a license bond does not mean you can bond a job.

Does a Maine contractor license bond protect my business?

No. A surety bond protects the party the bond runs to. If a claim is paid on your bond, you reimburse the surety. Liability insurance protects your business; a bond does not.

Already licensed and looking for work to bid? See where to find public construction work to bid on in Maine, and the national guide to contractor license and permit bonds.