3820 80th Ave
Mercer Island, WA 98040
4 bd 3 ba 2,340 sqft Built 1972 Lot 11,644 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 | $718,000 | $1,278,000 | $1,996,000 | $11,837 |
| 2024 | $644,000 | $1,162,000 | $1,806,000 | $11,687 |
| 2023 | $448,000 | $1,235,000 | $1,683,000 | $10,333 |
| 2022 | $241,000 | $1,017,000 | $1,258,000 | $9,274 |
| 2021 | $142,000 | $969,000 | $1,111,000 | $8,903 |
| 2020 | $379,000 | $736,000 | $1,115,000 | $8,818 |
| 2019 | $370,000 | $722,000 | $1,092,000 | $8,215 |
| 2018 | $333,000 | $653,000 | $986,000 | $8,562 |
| 2017 | $291,000 | $597,000 | $888,000 | $7,235 |
| 2016 | $264,000 | $541,000 | $805,000 | $6,736 |
| 2015 | $241,000 | $500,000 | $741,000 | $6,489 |
| 2014 | $111,000 | $480,000 | $591,000 | $5,404 |
| 2013 | $102,000 | $443,000 | $545,000 | $5,152 |
| 2012 | $75,000 | $489,000 | $564,000 | $4,889 |
| 2011 | $77,000 | $504,000 | $581,000 | $4,847 |
| 2009 | $95,000 | $625,000 | $720,000 | $4,970 |
| 2007 | $196,000 | $435,000 | $631,000 | $4,232 |
Property facts
Year built
1972
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,340 sqft
Lot size
11,644 sqft
ZIP code
98040
City
Mercer Island
Street
80th Ave
Coordinates
47.57594, -122.23194
Comparable properties nearby
Frequently asked questions
When did 3820 80th Ave last sell?
No public-record sale is on file for 3820 80th Ave.
What is the current tax assessment for 3820 80th Ave?
The most recent total assessment for 3820 80th Ave (year 2025) is $1,996,000 with $11,837 in property tax.
When was 3820 80th Ave built?
3820 80th Ave was built in 1972.
How does 3820 80th Ave compare to others on 80th Ave?
We track 8 other properties on 80th Ave. Browse the list under "Other properties on 80th Ave" to compare beds, baths, and sale history.
What are the property facts for 3820 80th Ave?
3820 80th Ave is a 4 bed, 3 bath, 2,340 sqft, 11,644 sqft lot single_family.
Is 3820 80th Ave a flip candidate?
No — 3820 80th Ave does not appear in our flips dataset.
Is 3820 80th Ave a tax-appeal candidate?
No — 3820 80th 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 80th Ave