4011 89th Ave
Mercer Island, WA 98040
5 bd 5 ba 4,160 sqft Built 1956 Lot 8,600 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 | $1,006,000 | $1,118,000 | $2,124,000 | $13,185 |
| 2024 | $946,000 | $1,066,000 | $2,012,000 | $13,021 |
| 2023 | $982,000 | $1,132,000 | $2,114,000 | $12,975 |
| 2022 | $648,000 | $932,000 | $1,580,000 | $11,644 |
| 2021 | $507,000 | $888,000 | $1,395,000 | $11,175 |
| 2020 | $734,000 | $736,000 | $1,470,000 | $11,620 |
| 2019 | $717,000 | $722,000 | $1,439,000 | $10,820 |
| 2018 | $646,000 | $653,000 | $1,299,000 | $11,276 |
| 2017 | $612,000 | $597,000 | $1,209,000 | $9,846 |
| 2016 | $554,000 | $541,000 | $1,095,000 | $9,159 |
| 2015 | $508,000 | $500,000 | $1,008,000 | $8,823 |
| 2014 | $305,000 | $462,000 | $767,000 | $7,011 |
| 2013 | $282,000 | $426,000 | $708,000 | $6,691 |
| 2012 | $262,000 | $470,000 | $732,000 | $6,349 |
| 2011 | $270,000 | $484,000 | $754,000 | $6,287 |
| 2009 | $334,000 | $600,000 | $934,000 | $6,443 |
| 2007 | $645,000 | $375,000 | $1,020,000 | $6,833 |
Property facts
Year built
1956
Property type
single_family
Stories
2
Beds
5
Baths
5
Living area
4,160 sqft
Lot size
8,600 sqft
ZIP code
98040
City
Mercer Island
Street
89th Ave
Coordinates
47.57405, -122.22004
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 4011 89th Ave last sell?
No public-record sale is on file for 4011 89th Ave.
What is the current tax assessment for 4011 89th Ave?
The most recent total assessment for 4011 89th Ave (year 2025) is $2,124,000 with $13,185 in property tax.
When was 4011 89th Ave built?
4011 89th Ave was built in 1956.
How does 4011 89th Ave compare to others on 89th Ave?
We track 8 other properties on 89th Ave. Browse the list under "Other properties on 89th Ave" to compare beds, baths, and sale history.
What are the property facts for 4011 89th Ave?
4011 89th Ave is a 5 bed, 5 bath, 4,160 sqft, 8,600 sqft lot single_family.
Is 4011 89th Ave a flip candidate?
No — 4011 89th Ave does not appear in our flips dataset.
Is 4011 89th Ave a tax-appeal candidate?
No — 4011 89th Ave 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
Explore nearby
Geography
Other properties on 89th Ave