Published September 1, 2025

New housing legislation: ADUs, fourplexes, and lot splitting

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Written by John Ramsey

New housing legislation: ADUs, fourplexes, and lot splitting header image.

New housing legislation: ADUs, fourplexes, and lot splitting

 

Some of the new legislation from 2023 is starting to go into effect in parts of Washington State, and some new legislation from 2025 is also going into effect. Check out our video here as well as further resources below.

Resources:

HB 1337 Washington State Legislature

HB 1110 Washington State Legislature

HB 1096 Washington State Legislature

 

Please let us know if you have any questions!

 

Faithfully yours,

John and Jeremiah


The Ramsey Team LLC
Keller Williams Western Realty
360.499.2221
johnramsey@kw.com
2211 Rimland Dr, #124
Bellingham, WA 98226

 

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policy and government
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