WA Digital Democracy

Bill

HB 1345

Biennium 2025-26 · House of origin

Detached ADU limits

Establishing limitations on detached accessory dwelling units outside of urban growth areas.

Sponsors
Representative LowPrimary
Representative GregersonSecondaryRepresentative NanceSecondaryRepresentative PetersonSecondaryRepresentative TharingerSecondary

Official bill summary on app.leg.wa.gov →

Status

10 key events · 23 total

Current status: Effective date 6/11/2026.

  1. Mar 27, 2026
    Effective date 6/11/2026.
  2. Mar 27, 2026
    Chapter 231, 2026 Laws.
  3. Mar 27, 2026
    Governor signed.
  4. Mar 6, 2026
    Delivered to Governor.
  5. Mar 4, 2026
    President signed.
  6. Mar 4, 2026
    Speaker signed.
  7. Mar 3, 2026
    Third reading, passed; yeas, 33; nays, 15; absent, 0; excused, 1.
  8. Jan 26, 2026
    First reading, referred to Housing.
  9. Jan 22, 2026
    Third reading, passed; yeas, 86; nays, 5; absent, 0; excused, 7.
  10. Jan 16, 2025
    First reading, referred to Housing.