8521 80th St
Mercer Island, WA 98040
4 bd 3 ba 2,090 sqft Built 1965 Lot 12,408 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 | $746,000 | $1,450,000 | $2,196,000 | $13,695 |
| 2024 | $769,000 | $1,321,000 | $2,090,000 | $13,524 |
| 2023 | $759,000 | $1,403,000 | $2,162,000 | $13,269 |
| 2022 | $420,000 | $1,155,000 | $1,575,000 | $11,607 |
| 2021 | $291,000 | $1,100,000 | $1,391,000 | $11,143 |
| 2020 | $219,000 | $1,030,000 | $1,249,000 | $9,875 |
| 2019 | $213,000 | $1,010,000 | $1,223,000 | $9,198 |
| 2018 | $190,000 | $914,000 | $1,104,000 | $9,585 |
| 2017 | $158,000 | $836,000 | $994,000 | $8,097 |
| 2016 | $144,000 | $757,000 | $901,000 | $7,538 |
| 2015 | $130,000 | $700,000 | $830,000 | $7,267 |
| 2014 | $169,000 | $594,000 | $763,000 | $6,974 |
| 2013 | $156,000 | $548,000 | $704,000 | $6,654 |
| 2012 | $123,000 | $605,000 | $728,000 | $6,313 |
| 2011 | $123,000 | $605,000 | $728,000 | $6,253 |
| 2009 | $152,000 | $750,000 | $902,000 | $6,223 |
| 2007 | $236,000 | $603,000 | $839,000 | $5,424 |
Property facts
Year built
1965
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
2,090 sqft
Lot size
12,408 sqft
ZIP code
98040
City
Mercer Island
Street
80th St
Coordinates
47.53092, -122.22533
Comparable properties nearby
Frequently asked questions
When did 8521 80th St last sell?
No public-record sale is on file for 8521 80th St.
What is the current tax assessment for 8521 80th St?
The most recent total assessment for 8521 80th St (year 2025) is $2,196,000 with $13,695 in property tax.
When was 8521 80th St built?
8521 80th St was built in 1965.
How does 8521 80th St compare to others on 80th St?
We track 2 other properties on 80th St. Browse the list under "Other properties on 80th St" to compare beds, baths, and sale history.
What are the property facts for 8521 80th St?
8521 80th St is a 4 bed, 3 bath, 2,090 sqft, 12,408 sqft lot single_family.
Is 8521 80th St a flip candidate?
No — 8521 80th St does not appear in our flips dataset.
Is 8521 80th St a tax-appeal candidate?
No — 8521 80th 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
Explore nearby
Geography
Other properties on 80th St