On the Books

Mercer Island, WA — the municipal code, in plain language

Local rules on housing, parking, noise, animals, zoning and more — straight from the town's official published code.

Current through Ordinance No. 26C-03, enacted March 3, 2026. Official source: https://library.municode.com/wa/mercer_island

Every town writes its own rules, and Mercer Island's live in its municipal code — 17 chapters covering day-to-day questions like fences, parking, pets, permits and property upkeep. Below is the full map of what the code covers.

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What's in the Mercer Island code