What are the prompt payment rules for construction in Washington state?
Last reviewed July 5, 2026
In Washington, prompt payment laws require general contractors to pay subcontractors within 30 days after receiving payment from the owner. If there's a delay, the contractor must notify the subcontractor in writing within 10 days. Failure to comply can lead to penalties. Check RCW 39.12 for details.
Key points
- 30-day payment rule for subs after owner payment
- 10-day notice for payment delays
- Penalties for non-compliance
- Refer to RCW 39.12 for specifics
Washington's prompt payment rules are designed to keep cash flow moving down the line. General contractors must pay subs on time or risk penalties. It's essential to keep track of payment timelines to avoid delays and disputes.
How Alloovium helps
Alloovium helps by tracking payment obligations and deadlines to ensure compliance with state laws.
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General information for US construction professionals — not legal advice. Lien deadlines, retainage caps and notice rules vary by state; verify with the state statute or a construction attorney.