8439 39th St
Mercer Island, WA 98040
3 bd 1 ba 1,690 sqft Built 1952 Lot 11,400 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 | $124,000 | $1,268,000 | $1,392,000 | $9,939 |
| 2024 | $312,000 | $1,204,000 | $1,516,000 | $9,815 |
| 2023 | $315,000 | $1,278,000 | $1,593,000 | $9,782 |
| 2022 | $139,000 | $1,052,000 | $1,191,000 | $8,781 |
| 2021 | $50,000 | $1,002,000 | $1,052,000 | $8,431 |
| 2020 | $124,000 | $736,000 | $860,000 | $6,805 |
| 2019 | $98,000 | $722,000 | $820,000 | $6,172 |
| 2018 | $87,000 | $653,000 | $740,000 | $6,429 |
| 2017 | $69,000 | $597,000 | $666,000 | $5,429 |
| 2016 | $63,000 | $541,000 | $604,000 | $5,057 |
| 2015 | $56,000 | $500,000 | $556,000 | $4,872 |
| 2014 | $40,000 | $480,000 | $520,000 | $4,755 |
| 2013 | $37,000 | $443,000 | $480,000 | $4,539 |
| 2012 | $8,000 | $489,000 | $497,000 | $4,309 |
| 2011 | $8,000 | $504,000 | $512,000 | $4,272 |
| 2009 | $10,000 | $625,000 | $635,000 | $4,384 |
| 2007 | $114,000 | $435,000 | $549,000 | $3,415 |
Property facts
Year built
1952
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,690 sqft
Lot size
11,400 sqft
ZIP code
98040
City
Mercer Island
Street
39th St
Coordinates
47.57554, -122.22523
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 8439 39th St last sell?
No public-record sale is on file for 8439 39th St.
What is the current tax assessment for 8439 39th St?
The most recent total assessment for 8439 39th St (year 2025) is $1,392,000 with $9,939 in property tax.
When was 8439 39th St built?
8439 39th St was built in 1952.
How does 8439 39th St compare to others on 39th St?
We track 8 other properties on 39th St. Browse the list under "Other properties on 39th St" to compare beds, baths, and sale history.
What are the property facts for 8439 39th St?
8439 39th St is a 3 bed, 1 bath, 1,690 sqft, 11,400 sqft lot single_family.
Is 8439 39th St a flip candidate?
No — 8439 39th St does not appear in our flips dataset.
Is 8439 39th St a tax-appeal candidate?
No — 8439 39th 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 39th St