State rules
Washington Security Deposit Rules
Landlord obligations under RCW 59.18
Deposit limit
No statewide limit
No statutory cap; local ordinances or lease terms may still apply
Source: RCW 59.18 (no statewide cap), for the figures shown above. This tool is for informational purposes only and does not constitute legal advice. Consult a Washington attorney for specific guidance.
Deposit limit verified against RCW 59.18 (no statewide cap) as of Jul 23, 2026.