Mercer Island planning commission recommends rezoning two city parcels to Public Institution after debate over setbacks and environmental protections

The Mercer Island Planning Commission voted 5-0 on Nov. 19 to recommend that the City Council reclassify two city-owned parcels — the vacant City Hall site and the Public Works maintenance and operations site — from Commercial Office and R8.4 residential to Public Institution (PI) zoning.

The action, taken after a quasi-judicial hearing and adoption of staff findings under MICC 19.15.0.24(c), follows presentations from the applicant (city staff), a staff report and public comment from nearby residents who raised concerns about notice, maintenance, slope stability and potential impacts to neighbors. "I did not know about this meeting until a few days ago," resident Matt Goldbach told the commission, saying he objects to changing the zone because he found PI "confusing" and feared larger-scale, commercial-scale development and continued maintenance problems on 40th Street. Another resident, Pat McGoogan, said she is worried about hill stability and repeated water-main breaks near her home if excavation occurs.

Deputy Director of Public Works Kelly Hilde, presenting the City’s application RZN-25-001, said the rezoning would align the zoning map with the comprehensive plan’s "public facility" designation and apply a single, consistent development framework to municipal parcels that have hosted public uses for decades. "Rezoning both parcels to public institution, or PI,…