Individual Surety Pledge of Assets (FAR 52.228-11): Estimator Q&A

On federal construction projects, prime contractors can secure their obligations through individual sureties rather than corporate bonding companies. For estimators, project managers, and trade subcontractors reviewing solicitations, understanding how pledged assets work is essential for managing payment security and project closeout exposure. Federal clause FAR 52.228-11 Individual Surety—Pledge of Assets establishes strict procedural criteria for what sureties must pledge and how long those assets remain locked to protect the government and lower-tier trades.
What Documentation and Pledges Must an Individual Surety Provide?
When a prime contractor provides a performance bond or payment bond backed by an individual surety, the contractor cannot simply present a personal guarantee. Under paragraph (a) of the clause, the contractor is required to obtain two mandatory items from every individual acting as a surety:
- A pledge of assets satisfying the eligibility, valuation, and security requirements laid out in FAR 28.203-1.
- A completed Standard Form 28, titled Affidavit of Individual Surety.
These submissions ensure that the individual surety's backing rests on verified, acceptable assets rather than unsubstantiated declarations. For prime bidders and estimators assembling bond packets, coordinating these documents early is critical to avoiding bid rejections or compliance delays during pre-award reviews, especially when working through bid bonds, performance bonds, and payment bonds.
How Long Must Security Interests Be Held for Performance Bonds?
A frequent question among general contractors relates to when pledged assets can be returned to an individual surety after field operations conclude. The clause grants the Contracting Officer discretionary authority to release a portion of the security interest based on the substantial performance of the contractor's duties. However, maintaining the primary security interest depends entirely on the contract category:
- Public work contracts exceeding $150,000: For federal contracts involving the construction, alteration, or repair of public buildings or public works governed by 40 U.S.C. 3131, the security interest must remain in place until the completion of any warranty period, or for 1 year following final payment, whichever date is later.
- Contracts with alternative payment protection: For procurements subject to alternative payment protection under FAR 28.102-1(b)(1), the asset pledge must be maintained across the entire contract performance period plus 1 year.
- Other federal contracts: For contracts not falling into the public work category over $150,000, the security interest must stay active until any applicable warranty period wraps up, or for 90 days following final payment, whichever is later.
How Does FAR 52.228-11 Protect Subcontractor and Supplier Payment Claims?
Subcontractors providing interior framing, drywall, ceiling assemblies, or mechanical systems need assurance that payment remedies remain intact long after their crews leave the site. Clause FAR 52.228-11 establishes explicit holding periods for assets pledged to support a payment bond, mirroring key provisions associated with Miller Act bonds on federal projects:
- On construction contracts exceeding $150,000 under 40 U.S.C. 3131 requiring both performance and payment bonds, the individual surety's pledged assets must be held for 1 year following final payment. If claims are filed against the bond during that initial 1-year window, the security interest must remain in force until all pending claims are fully resolved, whichever occurs later.
- For contracts subject to alternative payment protection under FAR 28.102-1(b)(1), the security must continue for the full performance period plus 1 year.
- On other contracts not meeting the $150,000 threshold requirement, the security interest remains active for 90 days following final payment.
How Can a Subcontractor Obtain Funds Directly from Pledged Assets?
Under paragraph (c) of the clause, the federal government does not hold an individual surety's pledged assets indefinitely if a dispute arises. Pledged assets supporting a payment bond can be released directly to a subcontractor or material supplier under two distinct legal pathways:
- Receipt by the government of a final Federal district court judgment establishing the debt owed to the claimant.
- Submission of a sworn statement by the subcontractor or supplier confirming that the claim is correct, accompanied by a notarized authorization from the individual surety formally approving the release of those funds.
This mechanism gives trade contractors a concrete path to recovery against pledged collateral if the prime contractor defaults on billing obligations.
Can a Contractor Substitute an Individual Surety After Contract Award?
Yes. Paragraph (d) allows the Contracting Officer to permit a contractor to substitute an individual surety for an existing performance or payment bond after award has occurred. If substitution is approved, the prime contractor must provide the required pledge of assets under FAR 28.203-1 and the Standard Form 28 within the precise timeframe established by the Contracting Officer.
Sources
Acquisition.GOV: FAR 52.228-11 Individual Surety—Pledge of Assets
Published October 29, 2026. No affiliate links on this page. Facts come from the sources linked above; check them for updates.