8559 85th Ave
Mercer Island, WA 98040
4 bd 5 ba 3,450 sqft Built 1972 Lot 19,000 sqft single_family
Most recent sale
$2,848,000
Apr 17, 2023
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 17, 2023 | Sold | $2,848,000 | Public Record |
| Mar 7, 2023 | Listing removed | — | NWMLS |
| Jan 21, 2023 | Price changed | $2,900,000 | NWMLS |
| Oct 18, 2022 | Listed | $3,100,000 | MLS #2007722 |
| Oct 17, 2022 | Listing removed | — | NWMLS |
| Aug 31, 2022 | Price changed | $3,400,000 | MLS #1962128 |
| Aug 7, 2022 | Price changed | $3,550,000 | MLS #1962128 |
| Jul 16, 2022 | Listed | $3,700,000 | MLS #1962128 |
| May 15, 2018 | Sold | $2,600,000 | MLS #1260565 |
| Mar 27, 2018 | Listed | $2,400,000 | MLS #1260565 |
| Aug 29, 2011 | Sold | $1,800,000 | Public Record |
| Jul 22, 2011 | Listing removed | $1,985,000 | NWMLS |
| Jun 7, 2011 | Listed | $1,985,000 | MLS #232913 |
| Aug 9, 2007 | Sold | $1,407,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,494,000 | $1,888,000 | $3,382,000 | $21,843 |
| 2024 | $1,572,000 | $1,763,000 | $3,335,000 | $21,566 |
| 2023 | $1,631,000 | $1,872,000 | $3,503,000 | $21,488 |
| 2022 | $1,045,000 | $1,541,000 | $2,586,000 | $19,047 |
| 2021 | $816,000 | $1,468,000 | $2,284,000 | $18,286 |
| 2020 | $816,000 | $1,468,000 | $2,284,000 | $19,159 |
| 2019 | $1,157,000 | $1,268,000 | $2,425,000 | $17,842 |
| 2018 | $1,130,000 | $1,244,000 | $2,374,000 | $18,586 |
| 2017 | $1,017,000 | $1,125,000 | $2,142,000 | $16,223 |
| 2016 | $964,000 | $1,029,000 | $1,993,000 | $15,090 |
| 2015 | $873,000 | $932,000 | $1,805,000 | $15,371 |
| 2014 | $895,000 | $862,000 | $1,757,000 | $16,728 |
| 2013 | $1,085,000 | $746,000 | $1,831,000 | $15,944 |
| 2012 | $1,000,000 | $688,000 | $1,688,000 | $15,126 |
| 2011 | $328,000 | $759,000 | $1,087,000 | $9,331 |
| 2010 | $337,000 | $782,000 | $1,119,000 | $8,745 |
| 2009 | $417,000 | $970,000 | $1,387,000 | $9,563 |
| 2007 | $516,000 | $562,000 | $1,078,000 | $7,216 |
Property facts
Year built
1972
Property type
single_family
Stories
2
Beds
4
Baths
5
Living area
3,450 sqft
Lot size
19,000 sqft
ZIP code
98040
City
Mercer Island
Street
85th Ave
Coordinates
47.52560, -122.22626
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$17,088
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 8559 85th Ave last sell?
8559 85th Ave most recently sold on Apr 17, 2023 for $2,848,000.
What is the current tax assessment for 8559 85th Ave?
The most recent total assessment for 8559 85th Ave (year 2025) is $3,382,000 with $21,843 in property tax.
How does 8559 85th Ave's assessment compare to its last sale price?
The current assessment is 18.8% above the last sale price of $2,848,000.
When was 8559 85th Ave built?
8559 85th Ave was built in 1972.
How does 8559 85th Ave compare to others on 85th Ave?
We track 8 other properties on 85th Ave. Browse the list under "Other properties on 85th Ave" to compare beds, baths, and sale history.
What are the property facts for 8559 85th Ave?
8559 85th Ave is a 4 bed, 5 bath, 3,450 sqft, 19,000 sqft lot single_family.
Is 8559 85th Ave a flip candidate?
No — 8559 85th Ave does not appear in our flips dataset.
Is 8559 85th Ave a tax-appeal candidate?
Yes — 8559 85th Ave appears in our tax-appeal candidates list, meaning its current assessment exceeds its recent sale price by 15% or more.
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
Explore nearby
Geography
Other properties on 85th Ave