8250 31st St
Mercer Island, WA 98040
4 bd 4 ba 4,300 sqft Built 2018 Lot 11,792 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 |
|---|---|---|---|---|
| 2026 | $2,493,000 | $1,425,000 | $3,918,000 | $25,530 |
| 2025 | $2,493,000 | $1,425,000 | $3,918,000 | $26,553 |
| 2024 | $2,739,000 | $1,316,000 | $4,055,000 | $26,216 |
| 2023 | $2,861,000 | $1,398,000 | $4,259,000 | $26,122 |
| 2022 | $2,032,000 | $1,151,000 | $3,183,000 | $23,439 |
| 2021 | $1,714,000 | $1,097,000 | $2,811,000 | $22,501 |
| 2020 | $1,923,000 | $884,000 | $2,807,000 | $22,173 |
| 2019 | $1,785,000 | $867,000 | $2,652,000 | $19,928 |
| 2018 | — | $784,000 | $784,000 | $6,808 |
Property facts
Year built
2018
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
4,300 sqft
Lot size
11,792 sqft
ZIP code
98040
City
Mercer Island
Street
31st St
Coordinates
47.58262, -122.22932
Comparable properties nearby
Frequently asked questions
When did 8250 31st St last sell?
No public-record sale is on file for 8250 31st St.
What is the current tax assessment for 8250 31st St?
The most recent total assessment for 8250 31st St (year 2026) is $3,918,000 with $25,530 in property tax.
When was 8250 31st St built?
8250 31st St was built in 2018.
How does 8250 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 8250 31st St?
8250 31st St is a 4 bed, 4 bath, 4,300 sqft, 11,792 sqft lot single_family.
Is 8250 31st St a flip candidate?
No — 8250 31st St does not appear in our flips dataset.
Is 8250 31st St a tax-appeal candidate?
No — 8250 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