8570 80th St
Mercer Island, WA 98040
5 bd 5 ba 4,450 sqft Built 2004 Lot 9,601 sqft single_family
Most recent sale
$3,450,000
Aug 2, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 2, 2022 | Sold | $3,450,000 | MLS #1954976 |
| Jun 24, 2022 | Listed | $3,298,000 | MLS #1954976 |
| Nov 15, 2015 | Sold | $1,675,000 | MLS #453769 |
| May 1, 2013 | Sold | $1,675,000 | Public Record |
| Mar 1, 2013 | Listed | $1,675,000 | MLS #453769 |
| Jun 26, 2012 | Listing removed | $1,829,000 | NWMLS |
| Jun 15, 2012 | Listed | $1,829,000 | MLS #317465 |
| Aug 16, 2011 | Listing removed | $1,999,000 | NWMLS |
| Jun 30, 2011 | Listed | $1,999,000 | MLS #243494 |
| Sep 4, 2003 | Sold | $372,600 | Public Record |
| May 13, 2003 | Sold | $1,150,000 | Public Record |
| May 13, 1997 | Sold | $820,000 | Public Record |
| Dec 15, 1988 | Sold | $110,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,684,000 | $1,450,000 | $3,134,000 | $19,402 |
| 2024 | $1,641,000 | $1,321,000 | $2,962,000 | $19,158 |
| 2023 | $1,709,000 | $1,403,000 | $3,112,000 | $19,092 |
| 2022 | $1,145,000 | $1,155,000 | $2,300,000 | $16,942 |
| 2021 | $931,000 | $1,100,000 | $2,031,000 | $16,262 |
| 2020 | $931,000 | $1,100,000 | $2,031,000 | $13,578 |
| 2019 | $909,000 | $809,000 | $1,718,000 | $12,646 |
| 2018 | $888,000 | $794,000 | $1,682,000 | $13,175 |
| 2017 | $800,000 | $718,000 | $1,518,000 | $11,505 |
| 2016 | $756,000 | $657,000 | $1,413,000 | $10,704 |
| 2015 | $685,000 | $595,000 | $1,280,000 | $10,318 |
| 2014 | $629,000 | $550,000 | $1,179,000 | $10,427 |
| 2013 | $626,000 | $515,000 | $1,141,000 | $9,940 |
| 2012 | $577,000 | $475,000 | $1,052,000 | $9,432 |
| 2011 | $565,000 | $524,000 | $1,089,000 | $9,348 |
| 2010 | $565,000 | $524,000 | $1,089,000 | $8,511 |
| 2009 | $700,000 | $650,000 | $1,350,000 | $9,308 |
| 2007 | $1,043,000 | $469,000 | $1,512,000 | $10,117 |
Property facts
Year built
2004
Property type
single_family
Stories
—
Beds
5
Baths
5
Living area
4,450 sqft
Lot size
9,601 sqft
ZIP code
98040
City
Mercer Island
Street
80th St
Coordinates
47.53138, -122.22298
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$20,700
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 8570 80th St last sell?
8570 80th St most recently sold on Aug 2, 2022 for $3,450,000.
What is the current tax assessment for 8570 80th St?
The most recent total assessment for 8570 80th St (year 2025) is $3,134,000 with $19,402 in property tax.
How does 8570 80th St's assessment compare to its last sale price?
The current assessment is 9.2% below the last sale price of $3,450,000.
When was 8570 80th St built?
8570 80th St was built in 2004.
How does 8570 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 8570 80th St?
8570 80th St is a 5 bed, 5 bath, 4,450 sqft, 9,601 sqft lot single_family.
Is 8570 80th St a flip candidate?
No — 8570 80th St does not appear in our flips dataset.
Is 8570 80th St a tax-appeal candidate?
No — 8570 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