Washington 2023-2024 Regular Session Status: In Committee Bipartisan · 5 D · 3 R cosponsors

SB 6029 — Establishing limitations on detached accessory dwelling units outside urban growth areas.

Last action — Senate Rules "X" file.

  1. ✓
    Introduced
  2. 2
    In Committee
  3. 3
    Passed Senate
  4. 4
    Passed House
  5. 5
    To Executive
  6. 6
    Enacted

This bill died with 2023-2024 Regular Session. It reached “In Committee” and never advanced before the session ended, so it can no longer move — a new version would have to be reintroduced in the current session.

This bill is no longer active — its legislative session has ended, so there is no live prognosis. It would have to be reintroduced in the current session to move again.

Bill Text

What changed in the latest version

80 added · 91 removed

Plain-language change summary

The amended bill SB 6029 now requires all counties to allow detached accessory dwelling units (ADUs) outside urban growth areas, ensuring these units are regulated to protect agricultural and forested land. Key changes include removing some specific requirements for lot size and short-term rental conditions, making it easier for counties to implement these units without veering into critical areas. This matters because it could increase housing options in rural areas while balancing environmental protections, addressing housing shortages, and promoting more flexible living arrangements.

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S-4212.2 SUBSTITUTE SENATE BILL 6029 State of Washington 68th Legislature 2024 Regular Session By Senate Local Government, Land Use & Tribal Affairs (originally sponsored by Senators Braun, Cleveland, Conway, Gildon, Liias, Lovelett, Mullet, Wellman, and J.
S-3742.1 SENATE BILL 6029 State of Washington 68th Legislature 2024 Regular Session By Senators Braun, Cleveland, Conway, Gildon, Liias, Lovelett, Mullet, Wellman, and J.
Wilson) READ FIRST TIME 01/31/24.
Wilson Prefiled 01/05/24.
Read first time 01/08/24.
Referred to Committee on Local Government, Land Use & Tribal Affairs.
(1) Counties may allow detached accessory dwelling units outside of urban growth areas if such detached accessory dwelling units are subject to development regulations that include the following limitations:
(1) All counties must allow detached accessory dwelling units outside of urban growth areas if such detached accessory dwelling units are subject to development regulations that include the following limitations:
1 SSB 6029 accessory dwelling unit, and may not be greater than 1,296 square feet.
1 SB 6029 accessory dwelling unit, and may not be greater than 1,296 square feet.
An existing driveway may not be extended or altered to service the detached accessory dwelling unit.
(h) The detached accessory dwelling unit must be located on a conforming lot that does not contain a critical area or areas as defined under this chapter.
(2) In addition to the authority provided in subsection (1) of this section, counties may allow detached accessory dwelling units by adopting development regulations that are substantially similar to those in effect as of January 1, 2024, in a county with a population exceeding 2,000,000.
(i) If the detached accessory dwelling unit is offered as a short-term rental as defined in RCW 36.70A.696, the primary unit must be owner occupied.
(3) Subsection (1) of this section is cumulative to other county authority enumerated in this chapter and does not:
(2) A county must deny an application for a detached accessory dwelling unit if the primary dwelling unit was built after the effective date of this section.
(3) In addition to the authority provided in subsection (1) of this section, counties may allow detached accessory dwelling units by adopting development regulations that are substantially similar to those in effect as of January 1, 2024, in a county with a population exceeding 2,000,000.
(4) Subsection (1) of this section is cumulative to other county authority enumerated in this chapter and does not:
p.
The definitions in this section apply throughout RCW 36.70A.697, 36.70A.698, 36.70A.680, ((and)) 36.70A.681, and section 1 of this act unless the context clearly requires otherwise.
2 SSB 6029 The definitions in this section apply throughout RCW 36.70A.697, 36.70A.698, 36.70A.680, ((and)) 36.70A.681, and section 1 of this act unless the context clearly requires otherwise.
(4) "County" means any county planning under RCW 36.70A.040.
p.
2 SB 6029 (4) "County" means any county planning under RCW 36.70A.040.
p.
(11) "Short-term rental" means a lodging use, that is not a hotel or motel or bed and breakfast, in which a dwelling unit, or portion thereof, is offered or provided to a guest by a short-term rental operator for a fee for fewer than 30 consecutive nights.
3 SSB 6029 (11) "Short-term rental" means a lodging use, that is not a hotel or motel or bed and breakfast, in which a dwelling unit, or portion thereof, is offered or provided to a guest by a short-term rental operator for a fee for fewer than 30 consecutive nights.
4 SSB 6029
3 SB 6029
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Action History

  1. Senate Rules "X" file.

  2. Placed on second reading by Rules Committee.

  3. Passed to Rules Committee for second reading.

  4. LGLT - Majority; 1st substitute bill be substituted, do pass.

  5. Executive action taken in the Senate Committee on Local Government, Land Use & Tribal Affairs at 8:00 AM.

  6. Public hearing in the Senate Committee on Local Government, Land Use & Tribal Affairs at 8:00 AM.

  7. First reading, referred to Local Government, Land Use & Tribal Affairs.

  8. Prefiled for introduction.

Sponsors

Sponsorship breakdown

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1 sponsors · 8 co-sponsors · 142 not signed on

Sponsors (1)

Co-sponsors (8)

Not signed on (142)

142 members have not signed on to this bill.

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"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

housing environment
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

Who sponsors SB 6029?
SB 6029 is sponsored by Jeff Wilson (Republican), Lisa Wellman (Democrat), Mullet, Liz Lovelett (Democrat), Marko Liias (Democrat), Chris Gildon (Republican), Steve Conway (Democrat), Annette Cleveland (Democrat), and John Braun (Republican).
What is the current status of SB 6029?
This bill died with 2023-2024 Regular Session. It reached “In Committee” and never advanced before the session ended, so it can no longer move — a new version would have to be reintroduced in the current session.
Where can I track SB 6029?
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