Mercer Island

Site map · 1 parcel© OpenStreetMap contributors © OpenFreeMap© OpenStreetMap © OpenFreeMap

4526 89th Ave SE

Mercer Island, WA

ConstructionIssued Oct 09, 2026

1 parcel · 4 permitsLast activity Oct 9, 2026

Land use

Issued Sep 02, 2026

Construction

Issued Oct 09, 2026

Completed

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Permits

4 permits · 3 stages

Permit	Status	Submitted	Issued	Finaled	Value
Land use2 permits
CAO26-011	APPROVED	Apr 13, 2026	Sep 02, 2026	—	—
	DEMO/REBUILD W/NEW ADU Submitted Apr 13, 2026Issued Sep 02, 2026
ADU26-004	APPROVED	Apr 13, 2026	—	—	—
	DEMO/REBUILD W/NEW ADU Submitted Apr 13, 2026
Construction1 permit
2510-099	Issued	Oct 10, 2025	Oct 09, 2026	—	—
	DEMO/REBUILD NSFR (SEE ADU UNDER PERMIT 2610-029) Submitted Oct 10, 2025Issued Oct 09, 2026
Demolition1 permit
2610-030	Issued	Oct 05, 2026	Oct 09, 2026	—	—
	DEMO SFR TO REBUILD Submitted Oct 05, 2026Issued Oct 09, 2026

Permit data from MyBuildingPermit

3 sections · with Pro

More about 4526 89th Ave SE

The land and its zoningPro
Parcel numbers, lot sizes, assessed values and zoning
1 parcel
Sales historyPro
Recorded sales of this property, with the date and price of each
Press coveragePlus
News articles about this project, with the date of each

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$1.5M · 1 unit

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