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Surety Bonds Explained
Coverage Guides·March 22, 2026·4 min read

Surety Bonds for Contractors and Licensed Businesses

Surety bonds guarantee performance and protect project owners from contractor default. Learn the difference between performance bonds, payment bonds, and license bonds.

Surety BondsContractorsLicense Bonds

Surety bonds are a form of financial guarantee that protects project owners, obligees, and the public from contractor default, non-performance, or non-payment. Unlike insurance — which protects the policyholder — a surety bond primarily protects the party requiring the bond.

Types of Surety Bonds

Performance Bonds: Guarantee that a contractor will complete a project according to the contract terms. If the contractor defaults, the surety company is obligated to step in — either by completing the project, hiring another contractor, or paying damages up to the bond penalty.

Payment Bonds: Guarantee that the contractor will pay subcontractors, suppliers, and laborers on the project. Payment bonds are required on most public construction projects under the Miller Act (federal) and state equivalents like California's Little Miller Act.

License and Permit Bonds: Required by California state agencies and local municipalities for contractors, plumbers, electricians, and other licensed trades. They protect the public from contractor fraud, non-compliance, or failure to meet licensing obligations.

Bid Bonds: Guarantee that a contractor who submits a bid will honor that bid and execute the contract if awarded. Protects the project owner from contractors who bid low and then walk away.

Surety vs. Insurance: A Key Distinction

With insurance, the carrier expects to pay claims — premiums are calculated to cover expected losses. With a surety bond, the surety expects the principal (contractor) to perform. If the surety has to pay, it typically seeks reimbursement from the contractor.

This is why surety underwriting focuses heavily on the contractor's financial strength, credit, experience, and management capacity.

California Contractor License Bond Requirements

California requires all contractors licensed by the CSLB to carry a $25,000 contractor license bond. Certain specialty licenses and classifications may require higher bond amounts. The bond must be maintained continuously — a lapse can result in license suspension.

Work With Capital & Co

Capital & Co can assist contractors and licensed businesses with all types of surety bond placements — from license bonds and bid bonds to performance and payment bonds on major commercial projects.

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