Mercer Island, WA — 2025

Development activity in Mercer Island for 2025 (indexed meeting dates). Data from local planning commission, city council, and zoning board minutes in our coverage area.

Mercer Island, WA indexed 33 development projects in 2025 across 1 distinct project type. Public Institution dominates the mix at 61% (20 projects), pointing to a concentrated pipeline rather than a balanced one.

Snapshot May 12, 2026 · Refreshed quarterly

Total Projects

33

Project Types

1

Projects by Type

TypeProjects
Public Institution20

Other Cities in Washington

Tacoma832 projectsVancouver563 projectsRichland545 projectsSpokane391 projectsSeattle353 projectsBellingham334 projectsStanwood304 projectsKennewick242 projects

Related

Washington Overview|Washington Planning Commission Guide|All States

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