Free Contractor Tool
Payment Bond Calculator
Estimate what a payment bond — and an optional performance + payment package — might cost on your next bid, using contract value, a base rate, and simple market and credit adjusters.
Built by SubcontractorHub — the software contractors use to quote, finance, and run every job.
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Estimate Payment Bond Cost
Start with contract value and a base rate (often 1%–2%). Then adjust for market and credit risk. Confirm the real quote with your surety broker before you lock the bid.
1. Contract & base bond rate
Typical range 0.5%–3%.
2. Market & risk adjusters
Adjusted rate
1.5%
after adjusters
Payment bond premium
$7,500
estimate
Package estimate
$13,125
perf + payment (approx.)
Cost per $1,000
$26
of contract value
Build this into the bid — do not absorb it as overhead
On a $500,000 contract at an adjusted 1.5% rate, plan on roughly $13,125 in bond cost. That line item belongs in the estimate so the surety premium does not quietly erase job margin.
This models a straight percentage of contract value with simple market and credit multipliers. It does not model surety underwriting, collateral, indemnity agreements, bond form differences, Miller Act / Little Miller Act thresholds, or package discounts. All calculations are estimates based on historical information and should be verified by the user. This tool is provided as a free service for planning purposes only and is not a substitute for professional surety, accounting, financial, or legal advice.
From Material Takeoffs to a Signed Proposal
SubcontractorHub is the platform contractors use to turn takeoffs like these into a branded proposal, financing the customer can accept on the spot, and a scheduled job — without re-entering the job anywhere. This tool is free to use; the platform is here if you want a closer look.
Bonded work also demands clean pay apps, change-order trails, and closeout paperwork. A solid project management record and timely construction billing make surety renewals and claim defense far less painful.
How Payment Bond Pricing Works
Estimated premium ≈ contract value × base rate × market factor × credit factor
Package quotes for performance + payment are often higher than payment alone; the checkbox applies a rough multiplier so you do not underbid the combined requirement.
Put the premium in the estimate
Bond cost is a real job cost. Treating it as general overhead is how profitable contractors quietly lose margin on public work. Price it as a line item, the same way you would price retainage exposure or retainage.
Capacity matters more than the rate
A 1% rate does not help if the surety will not write the bond. Talk to a broker about single and aggregate capacity before chasing bonded bids. For cash-flow pressure while bonds and retainage sit outstanding, see contractor financing options.
Frequently Asked Questions
- What is a payment bond in construction?
- A payment bond is a surety guarantee that subcontractors and suppliers will be paid for labor and materials on a project if the principal (usually the general contractor) defaults. On federal Miller Act jobs and most state Little Miller Act projects, payment bonds are required above a dollar threshold. Private owners sometimes require them too. The bond premium is typically a small percentage of the contract value, paid once, and is distinct from a performance bond that guarantees the work itself will be completed.
- How much does a payment bond cost?
- Most contractors with established bonding capacity pay roughly 0.5% to 3% of the contract value for a payment bond, with 1% to 2% common on mid-size private and public work. First-time or thinly capitalized principals can see rates above 3%, and very large, well-rated contractors sometimes clear under 1%. The final rate is set by the surety after underwriting credit, working capital, experience, and project risk — not by a published schedule alone.
- Is a payment bond the same as a performance bond?
- No. A performance bond protects the owner if the contractor fails to complete the work. A payment bond protects subs and suppliers if the contractor fails to pay them. They are often purchased together as a package, and the combined premium is still quoted as a percentage of contract value. On many public jobs both are mandatory; on private work the owner may require one, both, or neither.
- Who pays for a payment bond?
- The contractor (principal) pays the surety premium and usually builds that cost into the bid. Owners rarely pay the premium directly, though some bid forms ask for the bond cost as a separate line so it can be compared. Subcontractors occasionally must furnish their own payment bonds to the general when the GC requires downstream bonding.
- What affects payment bond rates?
- Sureties weigh personal and corporate credit, working capital and net worth, prior bonding and claims history, the type and size of the project, and whether the job is public or private. Higher-risk work (new entities, thin balance sheets, specialty scopes with high claim frequency) pushes rates up. Strong financials, clean claim history, and an existing surety relationship push rates down.
- Can I get a payment bond with bad credit?
- Sometimes, but expect higher rates, collateral requirements, or a personal indemnity that is harder to satisfy. Some sureties specialize in harder-to-place bonds. Before bidding bonded work, talk to a construction-oriented surety broker about realistic capacity — discovering you cannot bond a job after you win it is an expensive problem.
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All calculations are estimates based on historical information and should be verified by the user. Actual surety premiums are set by underwriting and may differ materially from this model.
This tool is provided as a free service for planning purposes only and is not a substitute for professional surety brokerage, accounting, financial, or legal advice. Bond requirements, Miller Act and Little Miller Act thresholds, and available capacity vary by project type and jurisdiction.