The Builders’ Bulletin is intended to provide a convenient way to track housing in our market and includes information from the Northwest Multiple Listing Service, State of the Cities Data Systems, Office of Financial Management and the Washington State Employment Security Department.

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This week, Nick Harper and Allison Butcher from our Government Affairs team provide an update on bringing administrative final plat approval processes to local jurisdictions, as allowed under MBA-supported SB 5674, signed by Governor Inslee this year. This change will save applicants six to eight weeks of time in the approval process.

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The Bellevue City Council has adopted an ordinance implementing residential lot splitting, creating another tool to help increase housing opportunities through more efficient land division. The ordinance was adopted on July 28 as part of a larger package of land use code amendments. MBAKS supported adoption and submitted this July 28 letter to the City Council. 

Bellevue deserves recognition for being one of the first jurisdictions in King and Snohomish counties to implement Washington’s new lot splitting law, HB 1096 (now codified in RCW 58.17.145). The City has taken an important step by establishing a local process and ensuring its code is consistent with the intent of state law. MBAKS also appreciates Bellevue staff's collaborative approach and willingness to work through implementation issues before adoption.

One important caveat is that Bellevue's new residential lot splitting provisions will not take effect until July 27, 2027. The City chose to delay implementation to allow time to establish a new, streamlined permit type and complete the work needed to administer the new process. While MBAKS would have preferred an earlier effective date, we appreciate Bellevue's thoughtful approach to implementation and its commitment to creating a permitting process that is as efficient and user-friendly as possible.

What Is Residential Lot Splitting?

HB 1096, passed by the Legislature in 2025, requires cities planning under the Growth Management Act to allow qualifying residential lots to be administratively divided into two lots without requiring a traditional short plat or subdivision process.

The goal is to create a simpler, faster path to divide eligible residential lots while maintaining local development standards, infrastructure requirements, and environmental protections. Once divided, each lot can be developed consistent with local zoning and the middle housing requirements adopted under state law.

Read the new residential lot splitting provisions: Ordinance 6933 beginning at the bottom of page 37.