# Pennsylvania โ€” Construction prompt payment act deadlines by US state โ€” owner-to-contractor and contractor-to-subcontractor payment windows, retention release deadlines, and late-payment interest rates For Pennsylvania, owner-to-gc payment deadline (days) is 20; gc-to-sub flow-down deadline (days) is 14; retention release deadline (days) is 30; late-payment interest rate is 1% per month; project types covered is both, verified against its source on 2026-08-15. - **State:** Pennsylvania _(verified: appears in the quote below)_ - **Owner-to-GC payment deadline (days):** 20 _(verified: appears in the quote below)_ - **GC-to-sub flow-down deadline (days):** 14 _(verified: appears in the quote below)_ - **Retention release deadline (days):** 30 _(verified: appears in the quote below)_ - **Late-payment interest rate:** 1% per month _(verified: appears in the quote below)_ - **Project types covered:** both _(verified: appears in the quote below)_ - **Attorney fees recoverable:** yes _(verified: appears in the quote below)_ - **Statutory citation:** 73 P.S. ยง501 et seq. _(verified: appears in the quote below)_ ## What the source says > Pennsylvania Prompt Payment Requirements Private Jobs Public Jobs Top Links 20 DAYS Prime Contractors For Prime Contractors, progress payment must be made within 20 days of invoice. Final payment due within 30 days of final acceptance of project. 14 DAYS Subcontractors For Subcontractors, payment due by later of 14 days after payment received from above, or 14 days after receipt of invoice. 14 DAYS Suppliers For Suppliers, payment due by later of 14 days after payment received from above, or 14 days after receipt of invoice. 1% / MONTH Interest & Fees Interest at 1% per month. ## Source - https://www.levelset.com/prompt-payment/pennsylvania-prompt-payment-faqs/ Last verified: 2026-08-15. Review by: 2027-08-15. Part of [Construction prompt payment act deadlines by US state โ€” 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/).