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Mercer Island council approves modified station-area boundary, directs staff to proceed on GMA compliance
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Summary
After hours of public comment on sidewalks, parking and neighborhood character, Mercer Island City Council adopted a modified station-area boundary to meet a state growth-management order and approved a multi-step GMA compliance work plan directing staff to complete the required code and plan changes by the July 31, 2026 deadline.
Mercer Island’s City Council voted March 17 to approve a modified transit station-area boundary and to adopt a work plan to carry out Growth Management Act (GMA) compliance work.
The council’s action implements a map staff prepared by applying four guidelines — excluding parks/open space and I‑90, removing noncontiguous areas, aligning boundaries with streets, and following zoning where street edges are not workable — to the half‑mile walking-distance baseline used for transit station areas. CPD Director Jeff Thomas told the council the map will be the basis for GMA compliance work this year, with further refinements possible once the Washington Department of Commerce issues TOD (transit‑oriented development) guidance.
The move followed extended public comment. Neighbors from the Upper Luther Burbank area urged a formal parking and safety study before upzones are implemented and questioned whether some lots included in the modified boundary were farther than a true half mile walking distance to the station. Staff said the underlying GIS analysis used the street network to calculate walking distance and that the modified boundary intentionally ‘trued up’ some jagged edges to follow streets and zoning lines.
Council member Weicker moved to approve the boundary as shown in exhibit 1 for the purposes of GMA compliance; Council member Reynolds seconded. The clerk recorded unanimous ayes from council members present and the motion passed.
On the same agenda the council considered AB 6894, a GMA compliance work plan that spells out tasks including land-capacity analysis, comprehensive-plan and development-code amendments, creation of a station subarea plan, and legislative review timelines. Thomas said several chapters of the comprehensive plan and parts of Title 19 will require amendments and that the work will culminate with Planning Commission review before returning to the council.
Council member Andaral moved and Council member Reynolds seconded adoption of the work plan; with one member temporarily absent the roll-call vote recorded ayes from a majority of members and the motion passed. Thomas said the city will revisit the station-area map once Commerce issues TOD guidance and that some elements (notably parking and detailed TOD measures) are likely to be addressed in the later TOD phase through 2029.
The council’s actions set the city on an expedited path to meet a July 31, 2026 compliance deadline from the growth‑management hearings board while preserving an opportunity for further public input and map adjustments during the TOD phase.
