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What surety bonds covers

Last reviewed September 15, 2026

A bond is a guarantee, not insurance: a surety promises a third party that you will do what a licence, a contract or a court requires, and if you do not, the surety pays and you repay the surety. License, contract, court and fiduciary bonds are placed through the same office.

What surety bonds does

Principal, obligee and surety

Every bond names three parties. The principal is the person or business whose performance is being promised: the contractor, the dealer, the executor. The obligee is the party the promise is made to and the only one who can claim on the bond: the state licensing board, the project owner, the court. The surety is the company that issues the bond and pays a valid claim. Insurance protects the person who buys it; a bond protects the obligee, and the person who buys it remains fully liable to the surety for whatever it pays. That is the whole difference, and every other feature of a bond follows from it.

Contractor license bonds

State contractor licensing boards require a license bond before a contractor can hold a licence in the classification they work in. The bond guarantees that the contractor will comply with the licensing law and the board's rules, and it gives a homeowner or a supplier who is harmed by a violation, such as abandoning a job, taking a deposit and not performing, or failing to pay for materials, a way to recover up to the bond amount. Each board sets the bond amount and the form by classification and by whether the contractor works residential or commercial, and publishes the current figures; the bond has to be filed with the board on its form and kept continuous, because a lapse suspends the licence.

A claim against a license bond is paid by the surety to the claimant and then collected from the contractor with the surety's costs. A paid claim also makes the next bond harder and more expensive to obtain, so a dispute with a customer is worth resolving before it reaches the board.

Contract bonds: bid, performance and payment

Public agencies, and increasingly private owners and general contractors, require contract bonds on construction work. A bid bond guarantees that the low bidder will sign the contract and provide the further bonds if awarded the job. A performance bond guarantees that the contractor will complete the work according to the contract; if the contractor defaults, the surety finishes the job, pays for another contractor to finish it, or pays the owner the cost of completion up to the bond amount. A payment bond guarantees that subcontractors and suppliers will be paid, which is why they cannot lien public property. These bonds are underwritten on the contractor's financial statements, work in progress, bank line and history, and a surety's capacity for a contractor is expressed as a limit per job and in total.

Licence, permit, court and fiduciary bonds

Beyond contractors, many regulators require a bond as a condition of a licence or permit: a motor vehicle dealer bond, a mortgage broker bond, a notary bond, a freight broker bond, a bond for a business that collects sales tax or sells alcohol, a right-of-way permit bond for work in a city street. Each is written on the regulator's own form with its own amount, and most are renewed annually or for a multi-year term. Court bonds are required when someone asks a judge for a remedy that could harm the other side, such as an injunction or an appeal, and fiduciary bonds when a person is appointed to manage someone else's money as an executor, administrator, guardian or trustee; these guarantee faithful performance and are sized to the estate.

The indemnity agreement and what happens on a claim

Before a surety issues a bond it has the principal, and usually the owners personally and their spouses, sign a general indemnity agreement. It obliges them to reimburse the surety for any amount paid on the bond plus its investigation and legal costs, and it allows the surety to settle a claim it judges valid. On a claim, the surety investigates whether the principal failed the obligation; if it did, the surety pays the obligee and pursues the indemnitors. If the principal has a defence, the surety raises it. Understanding that a bond is a credit instrument with personal recourse is the point most applicants miss when they compare its premium to an insurance premium.

Covered and not covered

Covered

  • The obligee's loss when a licensed contractor violates the licensing law, up to the bond amount
  • A project owner's cost to complete the work after a bonded contractor defaults
  • Subcontractors and suppliers left unpaid on a bonded public job
  • An owner's loss when a bid winner refuses to sign the contract
  • A regulator's or consumer's loss from a bonded dealer, broker or notary failing a licence duty
  • An estate's or ward's loss from a bonded fiduciary's misconduct

Not covered

  • Any loss of the principal's own: a bond pays the obligee, never the person who bought it
  • Amounts above the bond's stated amount, which is a ceiling on the surety, not on the principal's liability
  • Repayment relief: every amount the surety pays is collected from the principal and the indemnitors
  • Injury or property damage caused by the work, which is general liability
  • Faulty work or missed deadlines on a job that was not bonded
  • Obligations under a form the obligee did not accept or a bond that lapsed before the claim

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