Bid Bonds

Quick Summary

A bid bond is a financial guarantee that a contractor will honor their bid and enter into a contract if awarded the project, protecting the project owner from losses if they fail to do so.

Last Updated: July 19, 2026

A bid bond is a type of surety bond that guarantees a contractor will enter into a contract and provide the required performance and payment bonds if they are awarded the project. It protects the project owner from financial loss if the winning bidder fails to honor their bid. This assurance is crucial for maintaining the integrity and financial stability of the procurement process.

When a contractor submits a bid bond, they are making a serious commitment. The bond ensures they will sign the contract at their bid price. Without it, a bidder could withdraw without consequence, causing delays and increased costs for the project owner. This financial instrument acts as a safeguard, ensuring only qualified and serious contractors participate.

The process of obtaining a bid bond involves a surety company evaluating the contractor’s financial strength, work history, and capacity to complete the project. This underwriting process is rigorous because the surety is taking on risk. If the contractor defaults, the surety may be required to pay the bond penalty to the project owner.

For public construction projects in the United States, bid bonds are often a mandatory requirement. The Federal Acquisition Regulation (FAR) outlines bonding requirements for federal contracts, establishing a standard practice that is widely mirrored in state and municipal projects. This ensures taxpayer funds are protected during the bidding phase.

If a contractor is awarded the project but refuses to sign the contract, the project owner can make a claim on the bid bond. The surety will then investigate the claim. If it is valid, the surety will compensate the owner for the difference between the defaulted bid and the next lowest responsible bid, up to the bond’s penalty amount.

Understanding the key requirements and implications of a bid bond is essential for both contractors and project owners. For contractors, securing a bond is a demonstration of credibility and financial health. For project owners, it is a critical tool for risk management that helps ensure project timelines and budgets are adhered to from the outset.

  • Proof of Financial Responsibility: Demonstrates the contractor has the backing of a surety company.
  • Bid Seriousness Guarantee: Ensures the bidder intends to enter the contract if selected.
  • Project Owner Protection: Provides financial recourse if the winning bidder defaults.
  • Process Integrity: Helps maintain a fair and competitive bidding environment.

In summary, a bid bond is a fundamental component of the construction bidding process. It provides security and promotes fair competition, benefiting all parties involved in a project.

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.