4657 86th Ave SE

Mercer Island, WA 98040

CompleteFeb 12, 2026

1 parcel · 3 permitsLast activity Feb 12, 2026

$1.5M

Est. Value

Units

Land use

Issued May 4, 2023

Construction

Issued May 31, 2023

Completed

Feb 12, 2026

Permits

3 permits · 3 stages

Permit	Status	Submitted	Issued	Finaled	Value
Land use1 permit
ADU22-013	APPROVED	Dec 12, 2022	May 04, 2023	—	—
	500 SQ FT ATTACHED ADU TO NSFR Submitted Dec 12, 2022Issued May 04, 2023
Construction1 permit
2210-125	Finaled	Oct 18, 2022	May 31, 2023	Feb 12, 2026	$1.5M
	REV1-DEMO SFR TO FOUND/REBUILD 3352SF SFR+580SFGARAGE W/ADU Submitted Oct 18, 2022Issued May 31, 2023Finaled Feb 12, 2026
Demolition1 permit
2305-267	Finaled	May 23, 2023	May 31, 2023	Dec 17, 2025	—
	DEMO SFR TO FOUNDATION AND REBUILD Submitted May 23, 2023Issued May 31, 2023Finaled Dec 17, 2025

Permit data from MyBuildingPermit

3 sections · with Pro

More about 4657 86th 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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$1.2M · 1 unit

Last activity Apr 30, 2025

1 unit

Last activity Sep 11, 2026

1 unit

Last activity Sep 4, 2026

$1.8M

Last activity Nov 13, 2024