Washington law timeline
Newest first, with the government source linked on every row.
Jul 15, 2026 · Landlords + renters
Washington Commerce published a 10% maximum for covered standard residential increases effective from January 1 through December 31, 2027.
Washington Commerce HB 1217 landlord resource center, 2027 maximum · Primary source
Jun 11, 2026 · landlords
Washington changed the mailed-copy service language for notices served through RCW 59.12.040.
HB 2664; RCW 59.12.040 · Primary source
Jan 1, 2026 · Landlords + renters
Tacoma's current city guidance describes a 180-day city-form path and significant-increase relocation tiers; source review is still pending on whether TMC 1.100 also requires dual notice windows.
TMC 1.95.060; TMC 1.100.050; Amended Substitute Ordinance 29086 · Primary source
Jul 18, 2025 · Landlords + renters
Washington Commerce published the 2026 statewide cap figure for standard residential tenancies.
Washington Commerce HB 1217 landlord resource center · Primary source
May 7, 2025 · Landlords + renters
Washington capped many rent increases, added first-year limits, required forms, and defined exemption paths.
HB 1217; RCW 59.18.700-.710 · Primary source
May 7, 2025 · Landlords + renters
Washington requires parity between month-to-month and fixed-term lease rents for the same dwelling unit, with no more than a 5% difference.
RCW 59.18.700(4) · Primary source
May 7, 2025 · Landlords + renters
Washington manufactured/mobile-home lot rent follows a separate 5% annual cap rule.
RCW 59.20.370 · Primary source
Jul 23, 2023 · Landlords + renters
Washington deposit returns require a refund or full and specific retention statement within 30 days, with supporting documentation for damage charges.
RCW 59.18.280 · Primary source
Jul 1, 2022 · renters
Washington protected-tenant checks route victim-protection lease-release, deposit, prepaid-rent, and lock-change procedure facts to RCW 59.18.575.
RCW 59.18.575 · Primary source
Nov 9, 2021 · Landlords + renters
Seattle housing-cost increases require 180 days' notice; 10%+ increases can trigger EDRA information duties.
Seattle housing-cost increase rules · Primary source
May 10, 2021 · Landlords + renters
Washington renter checks compare termination notices with RCW 59.18.650, which requires a listed legal reason and review of the official law before treating a notice as valid.
RCW 59.18.650 · Primary source
Jul 28, 2019 · landlords
Washington ledger checks use RCW 59.18.283, which requires tenant payments to be applied to rent before late payments, damages, legal costs, attorneys' fees, or other fees.
RCW 59.18.283 · Primary source
Sep 30, 2018 · renters
Washington bars ads, screening rules, or lease terms that restrict otherwise eligible tenants based on vouchers, subsidies, or other lawful payment sources.
RCW 59.18.255 · Primary source
Jun 9, 2016 · landlords
Washington screening-fee checks use RCW 59.18.257 for pre-screening notice, criteria, cost, reusable-report, and adverse-action disclosure duties.
RCW 59.18.257 · Primary source
Dec 3, 2012 · landlords
Seattle's RRIO program requires rental housing registration, with narrow exceptions, and periodic inspection compliance.
SMC 22.214 · Primary source
Jul 22, 2011 · Landlords + renters
Washington entry/access checks use RCW 59.18.150 for two-day ordinary-entry notice, one-day showing notice, time-window details, and continuing-violation remedies.
RCW 59.18.150 · Primary source
Jun 10, 2010 · renters
Washington generally prohibits a landlord from intentionally shutting off utilities except for reasonable repair interruptions, and sets a possible amount for each day.
RCW 59.18.300 · Primary source