Contract bonds are required on construction and service projects to guarantee that the principal (contractor) will fulfill their contractual obligations. These bonds protect the project owner (obligee) by providing financial assurance that the work will be completed on time, within budget, and according to specifications.
A bid bond guarantees that a contractor will honor the terms of their bid and will enter into a contract at the bid price if selected as the winning bidder. Bid bonds are a standard requirement for most public works projects at the federal, state, and local levels, and are increasingly requested on private construction projects as well.
The bid bond provides financial protection to the project owner in the event that a winning bidder withdraws their bid or fails to execute the contract. If this occurs, the surety company may be liable for the difference between the defaulting bidder's price and the next lowest bid, up to the penal sum of the bond.
Bid bonds are typically set at 5% to 10% of the total bid amount. There is generally no premium charged for the bid bond itself, as it is issued with the expectation that the contractor will subsequently obtain performance and payment bonds if awarded the project.
A performance bond guarantees that the contractor will complete the project in accordance with the terms, conditions, and specifications of the contract. If the contractor fails to perform, the surety company steps in to ensure the project is finished, either by financing the original contractor, hiring a replacement contractor, or compensating the project owner for their losses.
Performance bonds are typically required for 100% of the contract value. They are mandatory on all federal construction projects over $150,000 under the Miller Act, and most states have adopted similar "Little Miller Act" statutes for state and municipal projects. Many private project owners also require performance bonds to reduce their risk exposure.
The cost of a performance bond depends on the contract size, the contractor's financial strength, credit history, experience, and the nature of the project. Contractors with strong financials and a proven track record can expect more competitive premium rates.
A payment bond guarantees that the contractor will pay all subcontractors, laborers, and material suppliers who contribute to the project. Without a payment bond, unpaid parties could file mechanic's liens against the property, creating legal and financial complications for the project owner.
Payment bonds are almost always required alongside performance bonds. Under the federal Miller Act and most state Little Miller Acts, both bonds must be provided on qualifying public projects. The payment bond amount is typically equal to 100% of the contract value, matching the performance bond.
By requiring a payment bond, project owners gain the assurance that everyone involved in the construction process will be compensated for their work. This encourages qualified subcontractors and suppliers to participate in the project, knowing that payment is backed by a surety company's guarantee.
Contract bond premiums are based primarily on the size of the contract and the contractor's financial profile. Surety companies evaluate the contractor's financial statements, credit history, work experience, and the specific project details when determining rates.
For most established contractors with good credit and solid financials, premiums typically range from 1% to 3% of the contract amount. Newer contractors, those with weaker credit, or particularly complex projects may see higher rates. Some surety programs offer rates below 1% for highly qualified accounts.
Small contracts may qualify for instant-issue or express programs that streamline the underwriting process, often with approval in as little as 24 to 48 hours. Larger projects generally require more detailed financial review, including contractor financial statements, a work-in-progress schedule, and references from previous project owners.
SuretyBondly works with multiple surety companies to find the most competitive rate for your specific situation. Whether you are an established general contractor or just starting out, we can help you secure the bonding capacity you need.