5257 Forest Ave
Mercer Island, WA 98040
6 bd 8 ba 6,980 sqft Built 1999 Lot 15,682 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 | $3,292,000 | $2,247,000 | $5,539,000 | $32,803 |
| 2024 | $2,967,000 | $2,043,000 | $5,010,000 | $32,388 |
| 2023 | $3,093,000 | $2,169,000 | $5,262,000 | $32,269 |
| 2022 | $2,147,000 | $1,786,000 | $3,933,000 | $28,959 |
| 2021 | $1,772,000 | $1,701,000 | $3,473,000 | $27,796 |
| 2020 | $2,637,000 | $1,547,000 | $4,184,000 | $33,043 |
| 2019 | $2,579,000 | $1,517,000 | $4,096,000 | $30,773 |
| 2018 | $2,324,000 | $1,372,000 | $3,696,000 | $32,060 |
| 2017 | $2,072,000 | $1,255,000 | $3,327,000 | $27,073 |
| 2016 | $1,877,000 | $1,136,000 | $3,013,000 | $25,179 |
| 2015 | $1,724,000 | $1,050,000 | $2,774,000 | $24,260 |
| 2014 | $1,170,000 | $1,157,000 | $2,327,000 | $21,257 |
| 2013 | $1,079,000 | $1,067,000 | $2,146,000 | $20,268 |
| 2012 | $1,045,000 | $1,175,000 | $2,220,000 | $19,224 |
| 2011 | $1,075,000 | $1,210,000 | $2,285,000 | $19,044 |
| 2009 | $1,331,000 | $1,500,000 | $2,831,000 | $19,506 |
| 2007 | $1,412,000 | $1,106,000 | $2,518,000 | $17,659 |
Property facts
Year built
1999
Property type
single_family
Stories
3
Beds
6
Baths
8
Living area
6,980 sqft
Lot size
15,682 sqft
ZIP code
98040
City
Mercer Island
Street
Forest Ave
Coordinates
47.55515, -122.23044
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 5257 Forest Ave last sell?
No public-record sale is on file for 5257 Forest Ave.
What is the current tax assessment for 5257 Forest Ave?
The most recent total assessment for 5257 Forest Ave (year 2025) is $5,539,000 with $32,803 in property tax.
When was 5257 Forest Ave built?
5257 Forest Ave was built in 1999.
How does 5257 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 5257 Forest Ave?
5257 Forest Ave is a 6 bed, 8 bath, 6,980 sqft, 15,682 sqft lot single_family.
Is 5257 Forest Ave a flip candidate?
No — 5257 Forest Ave does not appear in our flips dataset.
Is 5257 Forest Ave a tax-appeal candidate?
No — 5257 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