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WA SB5559
Bill
Status
Passed
5/13/2025
Primary Sponsor
Liz Lovelett
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AI Summary
- Requires all cities and towns in counties planning under the Growth Management Act to adopt procedures for unit lot subdivisions, which allow a parent residential lot to be divided into separately owned unit lots
- Establishes that unit lot subdivision procedures must use only clear and objective design standards, prohibit public predecision hearings (except those required by state law), and be subject to maximum local government action timeframes under RCW 36.70B.080
- Mandates that by June 30, 2026, all unit lot subdivisions include recorded plat notes notifying purchasers of legal status, development limitations, and requirements for any future modifications or repairs
- Cities with comprehensive plan updates due in 2027 must incorporate these requirements at that time; all other cities must implement within two years of the July 27, 2025 effective date
- Preserves local authority to apply public health, safety, building code, and environmental requirements, and does not require authorization of unit lot subdivisions in locations restricted by other laws (such as critical areas or on-site sewage proximity)
Legislative Description
Streamlining the subdivision process inside urban growth areas.
Last Action
Effective date 7/27/2025.
5/13/2025
Committee Referrals
Rules4/8/2025
Appropriations3/27/2025
Local Government3/4/2025
Rules2/14/2025
Local Government1/28/2025
Full Bill Text
No bill text available