4020 90th Ave
Mercer Island, WA 98040
4 bd 7 ba 4,050 sqft Built 1959 Lot 9,588 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 | $1,030,000 | $1,268,000 | $2,298,000 | $14,716 |
| 2024 | $1,076,000 | $1,170,000 | $2,246,000 | $14,535 |
| 2023 | $1,118,000 | $1,242,000 | $2,360,000 | $14,483 |
| 2022 | $696,000 | $1,023,000 | $1,719,000 | $12,667 |
| 2021 | $543,000 | $975,000 | $1,518,000 | $12,159 |
| 2020 | $667,000 | $809,000 | $1,476,000 | $11,667 |
| 2019 | $651,000 | $794,000 | $1,445,000 | $10,866 |
| 2018 | $550,000 | $718,000 | $1,268,000 | $11,007 |
| 2017 | $485,000 | $657,000 | $1,142,000 | $9,301 |
| 2016 | $440,000 | $595,000 | $1,035,000 | $8,657 |
| 2015 | $403,000 | $550,000 | $953,000 | $8,342 |
| 2014 | $284,000 | $501,000 | $785,000 | $7,175 |
| 2013 | $262,000 | $462,000 | $724,000 | $6,842 |
| 2012 | $240,000 | $509,000 | $749,000 | $6,494 |
| 2011 | $247,000 | $524,000 | $771,000 | $6,433 |
| 2009 | $305,000 | $650,000 | $955,000 | $6,588 |
| 2007 | $450,000 | $402,000 | $852,000 | $5,514 |
Property facts
Year built
1959
Property type
single_family
Stories
1
Beds
4
Baths
7
Living area
4,050 sqft
Lot size
9,588 sqft
ZIP code
98040
City
Mercer Island
Street
90th Ave
Coordinates
47.57389, -122.21846
Comparable properties nearby
Frequently asked questions
When did 4020 90th Ave last sell?
No public-record sale is on file for 4020 90th Ave.
What is the current tax assessment for 4020 90th Ave?
The most recent total assessment for 4020 90th Ave (year 2025) is $2,298,000 with $14,716 in property tax.
When was 4020 90th Ave built?
4020 90th Ave was built in 1959.
How does 4020 90th Ave compare to others on 90th Ave?
We track 8 other properties on 90th Ave. Browse the list under "Other properties on 90th Ave" to compare beds, baths, and sale history.
What are the property facts for 4020 90th Ave?
4020 90th Ave is a 4 bed, 7 bath, 4,050 sqft, 9,588 sqft lot single_family.
Is 4020 90th Ave a flip candidate?
No — 4020 90th Ave does not appear in our flips dataset.
Is 4020 90th Ave a tax-appeal candidate?
No — 4020 90th 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 90th Ave