8439 87th St
Mercer Island, WA 98040
5 bd 6 ba 4,800 sqft Built 2007 Lot 10,088 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $3,091,000 | $3,828,000 | $6,919,000 | $40,774 |
| 2024 | $3,212,000 | $3,016,000 | $6,228,000 | $40,258 |
| 2023 | $3,339,000 | $3,202,000 | $6,541,000 | $40,108 |
| 2022 | $2,253,000 | $2,636,000 | $4,889,000 | $35,994 |
| 2021 | $1,806,000 | $2,511,000 | $4,317,000 | $34,547 |
| 2020 | $2,446,000 | $2,272,000 | $4,718,000 | $37,258 |
| 2019 | $2,526,000 | $2,319,000 | $4,845,000 | $36,398 |
| 2018 | $2,446,000 | $2,230,000 | $4,676,000 | $40,557 |
| 2017 | $2,312,000 | $2,039,000 | $4,351,000 | $35,402 |
| 2016 | $2,095,000 | $1,846,000 | $3,941,000 | $32,931 |
| 2015 | $1,921,000 | $1,707,000 | $3,628,000 | $31,725 |
| 2014 | $2,144,000 | $1,750,000 | $3,894,000 | $35,567 |
| 2013 | $1,977,000 | $1,613,000 | $3,590,000 | $33,901 |
| 2012 | $2,170,000 | $1,778,000 | $3,948,000 | $34,192 |
| 2011 | $2,233,000 | $1,831,000 | $4,064,000 | $33,858 |
| 2009 | $2,545,000 | $2,086,000 | $4,631,000 | $31,901 |
| 2007 | $1,680,000 | $1,227,000 | $2,907,000 | $6,750 |
Property facts
Year built
2007
Property type
single_family
Stories
2
Beds
5
Baths
6
Living area
4,800 sqft
Lot size
10,088 sqft
ZIP code
98040
City
Mercer Island
Street
87th St
Coordinates
47.52476, -122.22673
Comparable properties nearby
Frequently asked questions
When did 8439 87th St last sell?
No public-record sale is on file for 8439 87th St.
What is the current tax assessment for 8439 87th St?
The most recent total assessment for 8439 87th St (year 2025) is $6,919,000 with $40,774 in property tax.
When was 8439 87th St built?
8439 87th St was built in 2007.
How does 8439 87th St compare to others on 87th St?
We do not currently track other properties on 87th St.
What are the property facts for 8439 87th St?
8439 87th St is a 5 bed, 6 bath, 4,800 sqft, 10,088 sqft lot single_family.
Is 8439 87th St a flip candidate?
No — 8439 87th St does not appear in our flips dataset.
Is 8439 87th St a tax-appeal candidate?
No — 8439 87th St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.8%
Implied 1-yr
+15.2%
2026 Q3
$3.48M
2026 Q4
$3.59M
ZIP 98040 — Median Price History + Forecast
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Geography