# Oklahoma — Construction prompt payment act deadlines by US state — owner-to-contractor and contractor-to-subcontractor payment windows, retention release deadlines, and late-payment interest rates

For Oklahoma, owner-to-gc payment deadline (days) is 28; gc-to-sub flow-down deadline (days) is 10; late-payment interest rate is none; project types covered is private; attorney fees recoverable is no, verified against its source on 2026-08-15.

- **State:** Oklahoma _(verified: appears in the quote below)_
- **Owner-to-GC payment deadline (days):** 28 _(verified: appears in the quote below)_
- **GC-to-sub flow-down deadline (days):** 10 _(verified: appears in the quote below)_
- **Late-payment interest rate:** none _(verified: appears in the quote below)_
- **Project types covered:** private _(verified: appears in the quote below)_
- **Attorney fees recoverable:** no _(verified: appears in the quote below)_
- **Statutory citation:** Okla. Stat. Title 15, §820 _(verified: appears in the quote below)_

## What the source says

> Payments from the property owner to the prime are due within 28 calendar days after receipt of a request for payment. As for payments to subcontractors and suppliers down the payment chain, payments must be made within 10 days of the higher-tiered party receiving payment.

## Source

- https://www.levelset.com/prompt-payment/oklahoma-prompt-payment-faqs/

Last verified: 2026-08-15. Review by: 2027-08-15.
Part of [Construction prompt payment act deadlines by US state — owner-to-contractor and contractor-to-subcontractor payment windows, retention release deadlines, and late-payment interest rates](https://referencesource.org/construction-prompt-payment-deadlines-by-state/).