Mill Creek council reviews four annexation study areas, keeps full municipal urban growth area in scope

City staff on Tuesday presented proposed annexation study scenarios to the Mill Creek City Council and described the city’s approach for drawing study boundaries, emphasizing defensible borders and independent fiscal viability.

The presentation, led by Director Ryan of the community development department, outlined four study areas — a Martha Lake area, the 527/exit corridor, Mill Creek East and a Larch/large area — and explained that the consultant will evaluate each sector’s fiscal impacts, service needs and compatibility with Snohomish County’s boundary-review preferences. “We’re super early in the process. You know? This cake is not baked, but, hopefully, you like the flavor,” Ryan said as he opened the discussion.

Council members pressed staff on whether all four areas should be studied. Mayor Holtzclaw and others asked if studying some areas (notably the 527 corridor) could be an inefficient use of consultant time if the Boundary Review Board or other jurisdictions would likely contest an annexation. Ryan replied that the scope of work already covers the full municipal urban growth area (MOOGA) and recommended against dropping areas at this stage.

Council members and staff discussed criteria used to draw the maps: following roads and natural features to create “logical” boundaries, keeping neighborhoods intact, and avoiding irregular or “flagpole” boundaries. Ryan said the team tried to make each study area able to stand alone financially — “if we only annex this one area, would this one area be able to create revenue, or would it be something that’d be revenue positive or revenue neutral?” he said.

Specific boundary examples and assets mentioned: the Martha Lake area was described as anchored by future light-rail stations and the 164th (referred to in the presentation as the 160 fourth) corridor, and would extend to I-5 at the north; the 527/exit area was defined by the transmission corridor and the North Creek wetlands and includes the 527 commercial corridor; Mill Creek East was described as primarily newer single-family residential with limited commercial nodes (for example, the Esplanade area off 148th); the Larch area was characterized as low-density residential with parks and schools such as Lynnwood High School inside the proposed study lines.

Council members repeatedly asked for the study to include explicit analyses of service costs (police, fire, public works), school-district impacts, water/district boundaries, tax generation (property tax and REIT), and the presence or absence of subsidized housing. Ryan said those topics are part of the consultant’s work and that staff will produce a land-capacity and highest-and-best-use analysis (current zoning and assumed future development scenarios).

No motions or annexations were approved at the study session. Council members directed staff to proceed with the consultant’s analysis and return with the annexation study results, potential annexation agreements, and a proposed comprehensive-plan amendment that would include an annexation plan. Multiple council members indicated they want to review the consultant’s fiscal findings before committing to any formal annexation method, whether a county-negotiated MILA-like agreement or a petition/election route.

Ending: The council asked staff to continue refining study boundaries and to prepare the consultant’s financial analysis and service-impact assessments for future meetings; no formal annexation decision was made Tuesday.