Insurance and bonds

What is surety in construction?

A surety is the company that issues a construction bond and promises the owner that the contractor will perform the work and pay its subs and suppliers, and if the contractor does not, the surety steps in.

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A surety is the third party in a construction bond. There are always three: the principal (the contractor buying the bond), the obligee (usually the owner, or the GC when a sub is bonded), and the surety (the bonding company that guarantees the principal's promise). If the contractor defaults on the job or fails to pay its subs, the obligee or unpaid claimants can make a claim and the surety has to respond.

A surety bond is not insurance for the contractor. Insurance spreads losses across many policyholders. A surety expects zero losses and requires the contractor, and usually its owners personally, to sign an indemnity agreement. If the surety pays a claim, it comes back to the contractor for every dollar.

How surety works on a real job

Say a site contractor wins a $2.6 million public utility project. The bid documents require a bid bond with the bid, then a performance bond and a payment bond at contract signing. The contractor's agent sends the request to the surety, which already has the company's financial statements, WIP schedule, and bank line on file. The surety checks that the job fits within the contractor's single-job and aggregate bond capacity, then issues the bonds. The contractor pays a premium, usually priced as a percentage of the contract value.

Halfway through, the contractor's biggest job elsewhere goes bad and cash dries up. A pipe supplier goes unpaid for 100 days and files a claim on the payment bond. The surety investigates, and if the claim is valid, pays it. Then it turns to the contractor and its indemnitors for reimbursement. If the contractor walks off the job entirely, the owner declares default and the surety chooses how to finish: finance the contractor, bring in a completion contractor, or pay the owner up to the bond amount.

When bonds and sureties are required

Public work is where bonds are most often mandatory. On federal construction, FAR 28.102-1 says the Miller Act requires performance and payment bonds on construction contracts exceeding $150,000. For contracts greater than $35,000 but not greater than $150,000, the contracting officer selects two or more payment protections, such as a payment bond, an irrevocable letter of credit, or a tripartite escrow agreement. States have their own bonding laws for state and local public work, often called Little Miller Acts. Private owners and lenders can require bonds by contract.

Federal bonds must come from a surety the Treasury Department accepts. The Bureau of the Fiscal Service publishes that list as Department of the Treasury Circular 570, which it describes as a complete list of companies that write or reinsure federal bonds.

The three parties to a construction bond
PartyWho it usually isRole
PrincipalContractor or subcontractorPerforms the work and pays its bills
ObligeeOwner, or GC for a sub bondIs protected by the bond
SuretyBonding companyGuarantees the principal's obligations

Help for smaller contractors

Newer and smaller firms often struggle to get bonded. The U.S. Small Business Administration's Surety Bond Guarantee program guarantees bid, performance, and payment bonds issued by participating sureties. the U.S. Small Business Administration's program page lists eligible contracts up to $9 million for non-federal work and up to $14 million for federal work, a fee of 0.6 percent of the contract price for performance and payment bond guarantees, and no fee for bid bond guarantees.

Common mistakes and disputes

  1. Treating the bond like insurance. The indemnity agreement means the contractor pays back every claim. Bad news on one job hits the whole company.
  2. Weak financials. Sureties underwrite on CPA-prepared statements, WIP reports, and working capital. Sloppy books shrink capacity.
  3. Surprises. Sureties hate learning about a problem job from a claim. Talk to the agent early when a project turns.
  4. Missed claim deadlines. Subs and suppliers who wait too long to give notice or sue can lose bond rights. Federal and state deadlines differ.

Related terms

See bonding company, completion bond, maintenance bond, and working capital. Smart Business Automator produces job-level WIP and cost-to-complete views that make the quarterly package for your surety faster to assemble.

Frequently asked questions

Is a surety the same as an insurance company?

Many sureties are divisions of insurance companies, but a surety bond works differently. The surety expects to be repaid by the contractor for any claim it pays, under an indemnity agreement.

Who pays for a surety bond?

The contractor buys the bond and pays the premium. Contractors normally include bond cost in their bid price, so the owner pays for it indirectly.

What happens when a surety pays a claim?

The surety seeks reimbursement from the contractor and anyone who signed the indemnity agreement, often including the owners personally.

When are surety bonds required on federal jobs?

Under FAR 28.102-1, the Miller Act requires performance and payment bonds on construction contracts exceeding $150,000, with alternative payment protections for contracts over $35,000 up to $150,000.

Sources

  1. Acquisition.gov: FAR 28.102-1, General (Miller Act bond requirements)
  2. Bureau of the Fiscal Service: Surety Bonds and Treasury Circular 570
  3. U.S. Small Business Administration: Surety bonds
Written and edited by

Maurice Francois writes and edits construction operations guides for Smart Business Automator. More from Maurice on the Scaling Legends podcast.

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