4879 Forest Ave
Mercer Island, WA 98040
4 bd 4 ba 3,370 sqft Built 1946 Lot 12,506 sqft single_family
Most recent sale
$5,150,000
Jul 11, 2023
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 11, 2023 | Sold | $5,150,000 | NWMLS |
| Nov 22, 2022 | Listing removed | — | NWMLS |
| Oct 15, 2022 | Listed | $5,775,000 | NWMLS |
| Jul 12, 2010 | Sold | $2,380,000 | Public Record |
| May 3, 2010 | Listing removed | $2,499,000 | NWMLS |
| Apr 27, 2010 | Listed | $2,499,000 | NWMLS |
| Jun 10, 1993 | Sold | $650,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,558,000 | $2,543,000 | $4,101,000 | $25,775 |
| 2024 | $1,624,000 | $2,312,000 | $3,936,000 | $25,453 |
| 2023 | $1,680,000 | $2,455,000 | $4,135,000 | $25,362 |
| 2022 | $1,070,000 | $2,021,000 | $3,091,000 | $22,763 |
| 2021 | $804,000 | $1,925,000 | $2,729,000 | $21,845 |
| 2020 | $1,129,000 | $1,731,000 | $2,860,000 | $22,592 |
| 2019 | $1,102,000 | $1,698,000 | $2,800,000 | $21,041 |
| 2018 | $1,060,000 | $1,633,000 | $2,693,000 | $23,363 |
| 2017 | $971,000 | $1,493,000 | $2,464,000 | $20,053 |
| 2016 | $880,000 | $1,352,000 | $2,232,000 | $18,656 |
| 2015 | $813,000 | $1,250,000 | $2,063,000 | $18,045 |
| 2014 | $287,000 | $1,401,000 | $1,688,000 | $15,422 |
| 2013 | $301,000 | $1,430,000 | $1,731,000 | $16,350 |
| 2012 | $240,000 | $1,575,000 | $1,815,000 | $15,706 |
| 2011 | $234,000 | $1,622,000 | $1,856,000 | $15,572 |
| 2009 | $413,000 | $1,848,000 | $2,261,000 | $15,581 |
| 2007 | $526,000 | $1,499,000 | $2,025,000 | $14,203 |
Property facts
Year built
1946
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
3,370 sqft
Lot size
12,506 sqft
ZIP code
98040
City
Mercer Island
Street
Forest Ave
Coordinates
47.55865, -122.23049
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$30,900
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 4879 Forest Ave last sell?
4879 Forest Ave most recently sold on Jul 11, 2023 for $5,150,000.
What is the current tax assessment for 4879 Forest Ave?
The most recent total assessment for 4879 Forest Ave (year 2025) is $4,101,000 with $25,775 in property tax.
How does 4879 Forest Ave's assessment compare to its last sale price?
The current assessment is 20.4% below the last sale price of $5,150,000.
When was 4879 Forest Ave built?
4879 Forest Ave was built in 1946.
How does 4879 Forest Ave compare to others on Forest Ave?
We track 8 other properties on Forest Ave. Browse the list under "Other properties on Forest Ave" to compare beds, baths, and sale history.
What are the property facts for 4879 Forest Ave?
4879 Forest Ave is a 4 bed, 4 bath, 3,370 sqft, 12,506 sqft lot single_family.
Is 4879 Forest Ave a flip candidate?
No — 4879 Forest Ave does not appear in our flips dataset.
Is 4879 Forest Ave a tax-appeal candidate?
No — 4879 Forest Ave 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 Forest Ave