Washington · WA
Washington retainage law and prompt-payment rules
Public retainage often sits in a retainage fund until claims close. Start in the code: RCW 60.28.011; 39.76.020.
Use this page when you are bidding or billing a job in Washington. Public retainage is listed as 5%; private as No statutory cap (recent public cap is 5%). Typical public release is 60 days after notice of completion.
Then open the retainage calculator for the dollars, or the G702-style pay application if you need line-by-line previous certificates.
Questions this page answers
- What is the retainage cap in Washington?
- On public work the planning cap is 5%. On private work it is No statutory cap (recent public cap is 5%). Bid documents and the subcontract still control if they are stricter.
- When is retainage released in Washington?
- Public jobs typically release 60 days after notice of completion. Private jobs: Per contract. Confirm the contract date — several states changed caps in 2025–2026.
- How fast must a prime pay a sub in Washington?
- 10 days after the prime is paid. Owner or agency to prime is Public: 30 days after invoice. Late-pay interest: 1% monthly on public late pay.
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