8280 31st St
Mercer Island, WA 98040
5 bd 5 ba 4,471 sqft Built 2019 Lot 9,656 sqft single_family
Most recent sale
$4,000,000
May 20, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| May 20, 2022 | Sold | $4,000,000 | MLS #1926065 |
| May 3, 2022 | Listed | $3,998,000 | MLS #1926065 |
| Mar 25, 2019 | Sold | $3,488,000 | MLS #1374561 |
| Oct 12, 2018 | Listed | $3,488,000 | MLS #1374561 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $2,540,000 | $1,425,000 | $3,965,000 | $27,574 |
| 2024 | $2,895,000 | $1,316,000 | $4,211,000 | $27,228 |
| 2023 | $3,025,000 | $1,398,000 | $4,423,000 | $27,127 |
| 2022 | $2,155,000 | $1,151,000 | $3,306,000 | $24,345 |
| 2021 | $1,822,000 | $1,097,000 | $2,919,000 | $23,364 |
| 2020 | $1,851,000 | $884,000 | $2,735,000 | $21,605 |
| 2019 | — | $867,000 | $867,000 | $6,523 |
| 2018 | — | $784,000 | $784,000 | $6,808 |
| 2017 | — | $784,000 | $784,000 | $5,843 |
Property facts
Year built
2019
Property type
single_family
Stories
—
Beds
5
Baths
5
Living area
4,471 sqft
Lot size
9,656 sqft
ZIP code
98040
City
Mercer Island
Street
31st St
Coordinates
47.58240, -122.22822
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$24,000
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 8280 31st St last sell?
8280 31st St most recently sold on May 20, 2022 for $4,000,000.
What is the current tax assessment for 8280 31st St?
The most recent total assessment for 8280 31st St (year 2025) is $3,965,000 with $27,574 in property tax.
How does 8280 31st St's assessment compare to its last sale price?
The current assessment is 0.9% below the last sale price of $4,000,000.
When was 8280 31st St built?
8280 31st St was built in 2019.
How does 8280 31st St compare to others on 31st St?
We track 2 other properties on 31st St. Browse the list under "Other properties on 31st St" to compare beds, baths, and sale history.
What are the property facts for 8280 31st St?
8280 31st St is a 5 bed, 5 bath, 4,471 sqft, 9,656 sqft lot single_family.
Is 8280 31st St a flip candidate?
No — 8280 31st St does not appear in our flips dataset.
Is 8280 31st St a tax-appeal candidate?
No — 8280 31st 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 31st St