Skip to main content

Washington law

Construction Defect Laws in Washington.

Washington construction-defect claims are subject to a 6-year statute of repose under RCW 4.16.310, running from substantial completion of the improvement. The personal-injury statute of limitations is 3 years (RCW 4.16.080); written-contract claims are subject to a 6-year limitation (RCW 4.16.040). Washington applies pure comparative fault (RCW 4.22.005) — recovery is reduced by plaintiff's percentage of fault but is not barred. Washington's Condominium Act (RCW 64.34) imposes specific warranty obligations on developers.

Last verified: 2026-04-20

State law

Statute of Limitations

3 years (tort) / 6 years (written contract); 6-year statute of reposeRCW 4.16.080; 4.16.040; 4.16.310

Tort claims generally must be filed within 3 years. Written contract claims are subject to a 6-year limitation. Washington's statute of repose under RCW 4.16.310 caps construction claims at 6 years from substantial completion of construction.

State law

Key Washington Statutes

Construction Statute of ReposeRCW 4.16.310

Washington's 6-year statute of repose for claims arising from construction, alteration, or repair of improvements to real property — an outside bar running from substantial completion.

Washington Condominium Act — Implied WarrantiesRCW 64.34

Washington imposes implied warranties of quality on condominium developers — a significant framework for multifamily construction-defect litigation.

State law

Official Sources

Not Legal Advice

This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Washington.

Next step

Move from state law into guided help or attorney search.

If you want help applying this information to your situation, start with guided help or browse attorneys for this issue in Washington.