ADU Ledger
Olympia ·

Olympia Ordinances 7470, 7471, and 7472 verified — no regulatory changes, new fee math

We chased down Olympia's June 23, 2026 ordinance batch against the signed ordinance PDFs (the codifier hasn't published them yet). Verdict: none of the eight core ADU rules changed. What did change: park impact fees are now $3.92/sq ft of habitable space (min $3,187.93), capped at 50% of the principal unit's fee, with ADUs still exempt from school impact fees (Ord 7470, effective July 1, 2026) — and Ord 7471 added residential lot splitting under HB 1096, a new path to selling an ADU on its own lot. Both are now reflected on the Olympia page.

Current verified rules: Olympia ADU rules · All Washington cities

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