Bid Bond and Performance Bond

Quick Summary

Bid bonds guarantee a contractor's bid is serious, while performance bonds ensure the project is completed as contracted.

Last Updated: July 31, 2026
Common Mistake

Assuming your bond cost is just a simple percentage

The most costly mistake is thinking your Oregon contractor license bond premium is a fixed rate like 1% or 2% of the bond amount. In practice, your final cost is determined by an underwriter reviewing your personal credit score, financial statements, and business history. Applicants with lower credit often pay 3-5% or more. What slows this down is not having your financials ready. The part most applicants underestimate is how much a strong credit profile can reduce your annual premium.

  • Your personal credit score is the primary factor in your final rate.
  • Have 2 years of business and personal financial statements prepared for review.
  • A higher bond amount doesn't mean a proportionally higher cost; underwriting is key.

What is a Bid Bond?

A bid bond is a type of surety bond that guarantees a contractor’s bid is made in good faith. It ensures the contractor will enter into the contract at the bid price if selected. This protects the project owner from frivolous bids and provides financial security during the bidding process. If the winning bidder fails to honor their bid, the bond compensates the project owner for the cost difference with the next lowest bidder.

What is a Performance Bond?

A performance bond is a guarantee that a contractor will complete a project according to the contract terms. It protects the project owner from financial loss if the contractor defaults or fails to perform. This bond provides crucial assurance that the project will be finished as specified. The surety company may step in to arrange for another contractor to complete the work or provide financial compensation.

Key Differences Between Bid Bonds and Performance Bonds

While both are essential in construction and large projects, they serve different purposes. A bid bond is active during the bidding phase, while a performance bond comes into effect after the contract is awarded. The bid bond ensures the seriousness of the bid, and the performance bond ensures the completion of the work. Understanding this sequence is vital for project owners and contractors alike, as it determines when each instrument’s protections become available.

For a comprehensive overview of these financial instruments and their role in public contracts, the U.S. Small Business Administration provides valuable resources on bonding requirements for federal projects.

Why Are These Bonds Required?

Project owners require these bonds to mitigate risk. They ensure that only qualified and serious contractors participate in bidding. Bonds also provide a financial recourse if something goes wrong, safeguarding the project’s budget and timeline. This requirement is standard in public sector projects and many large private contracts.

  • Risk Management: Bonds transfer the risk of contractor default from the project owner to the surety company.
  • Financial Protection: They offer a guaranteed financial remedy, protecting the project’s funding.
  • Pre-Qualification: The bonding process itself verifies the contractor’s financial stability and track record, as surety companies perform due diligence before issuing bonds.
  • Bidder Accountability: Without a bid bond, a low bidder could simply walk away after winning, forcing the owner to re-run the entire bid process — a costly delay that bonding eliminates. Contractors with weak cash flow often underestimate how much surety capacity they will need, so it is wise to secure a line of credit with a surety well before any bid deadline.

How to Obtain a Bid Bond or Performance Bond

Contractors obtain these bonds through a surety company or an insurance agent. The process involves an application and a review of the contractor’s financial health, experience, and project details. Strong financial statements and a solid business history are critical for approval. The cost, or premium, is typically a small percentage of the bond amount, and it is paid upfront for each individual bond.