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3 Little Known Secrets About CA Public Construction Bonds

Writer: Joanne Branch
Joanne Branch
1 minute ago
3 min read

Construction bonds are often treated as a routine checkbox in the public works process—submitted, verified at a glance, and filed away. But beneath that surface simplicity lies a set of constraints, risks, and practical realities that can directly impact project delivery, contractor performance, and agency exposure.

A construction manager in a hard hat and safety vest reviews plans at a desk in the foreground, looking toward a school building under construction that is framed by a large, transparent shield graphic. The desk holds blueprints, a clipboard with a certificate, a calculator, and a hard hat. Construction workers and equipment are visible on the site in the background.

Having a deeper understanding of bonding will help the public agency make informed decisions and take appropriate actions when dealing with bonds. Here are 3 areas that sometimes catch us unaware.


Contractors Bid Bond Limit

Did you know that a contractor’s bonding agent sets a limit on how many unawarded bids a contractor can have outstanding simultaneously? It is based on many factors, not the least of which is the contractor’s ability to perform if they win all the jobs!


This limit helps prevent over-promising and ensures the contractor can deliver on their commitments. Outstanding bid bonds limit the contractor’s ability to bid on upcoming work until the outstanding bid is awarded or canceled.


Agency Actions:


  • Notification: Contractors need to be informed when a bid is awarded to another bidder or canceled so their bonding capacity can be replenished.

  • Modern Practices: Acceptance of scanned bonds and electronic notification of the release of the bond is now standard, replacing the older method of returning hard copies via mail.


Contractor’s Project Bonding Capacity

Another thing a contractor’s bonding agent does is set the maximum project bonding capacity.  The agent evaluates their past work, financial stability, and many other factors. Bond limits are provided as single-project and combined. 

The single-project limit holds the contractor to a maximum value of a single project and combined controls the maximum dollar value of all projects active at the same time.

These limits are set to mitigate the risk to the bonding company of having to pay out on any defaults.  It helps mitigate the chance that the contractor will get over-extended and fail to pay their bills or complete the project.


Agency Actions:


  • Set the bond company’s rating:  Risky contractors might need to find a bonding agent willing to take on higher risks, often resulting in higher premiums.  Agencies can protect against this by setting the minimum rate the bonding agency must have.  Rarely is it a B rate or less and A- has been suggested as a reasonable level.  Seek counsel from your risk manager.

  • Verify bonds received: Ensure that bonding firms meet minimum rating standards that the agency sets in the bid documents and consider including California-admitted surety language to avoid out-of-state or foreign sureties.  Bond company ratings are set by Moody's, Standard & Poor's, and Fitch and should be verified online.


What does it mean to “Bond Around”

A bond around is an optional offer used to resolve disputes between parties. It allows the contractor to provide a bond as collateral to allow a withholding of payment to be released while the dispute continues.


Should the dispute result in the need for the funds, the bonding agent would be involved in the release of funds.  Therefore, the validity of the bond and the strength of the bonding agent is important.


Agency Best Practices:


  • Accepting a bond is optional so scrutinize carefully: Bonding around a claim is not always used but can be beneficial in resolving payment disputes. Agencies have the option to accept or deny a bond to release a withhold. Scrutiny of the bonding agent is highly recommended to make sure it is a legal, reliable, and sufficient bond source by a CA-admitted surety.

  • Legal Review: It is recommended to have a legal review before accepting such bonds.


Conclusion

Bonding is more than a compliance requirement - it is a risk management tool that deserves careful attention. From contractor capacity limitations to the credibility of the surety itself, each bond carries implications that are not always visible on the surface.


Public agencies should take the time to verify surety ratings, confirm California-admitted status where appropriate, and seek legal or risk management input when evaluating less common instruments such as bond-arounds. A thoughtful review process can prevent costly surprises and ensure that the protection intended by bonding is actually realized when it matters most.


If you found this article informative, you may also be interested in our free Purchasing & Public Works Group, focused on practical issues facing California public agencies.See more: https://www.colbitech.com/ppwg

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