9209 40th St
Mercer Island, WA 98040
4 bd 4 ba 2,970 sqft Built 2006 Lot 7,416 sqft single_family
Most recent sale
$2,458,000
Sep 20, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Sep 20, 2022 | Sold | $2,458,000 | MLS #1984761 |
| Aug 18, 2022 | Listed | $2,388,000 | MLS #1984761 |
| Jan 18, 2005 | Sold | $503,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,128,000 | $1,083,000 | $2,211,000 | $13,951 |
| 2024 | $1,056,000 | $1,073,000 | $2,129,000 | $14,039 |
| 2023 | $1,140,000 | $1,140,000 | $2,280,000 | $13,992 |
| 2022 | $765,000 | $939,000 | $1,704,000 | $12,556 |
| 2021 | $645,000 | $895,000 | $1,540,000 | $12,335 |
| 2020 | $645,000 | $895,000 | $1,540,000 | $12,599 |
| 2019 | $897,000 | $697,000 | $1,594,000 | $11,737 |
| 2018 | $877,000 | $684,000 | $1,561,000 | $12,230 |
| 2017 | $790,000 | $619,000 | $1,409,000 | $10,676 |
| 2016 | $745,000 | $566,000 | $1,311,000 | $9,936 |
| 2015 | $675,000 | $513,000 | $1,188,000 | $9,575 |
| 2014 | $619,000 | $475,000 | $1,094,000 | $9,221 |
| 2013 | $568,000 | $441,000 | $1,009,000 | $8,797 |
| 2012 | $524,000 | $407,000 | $931,000 | $8,344 |
| 2011 | $513,000 | $450,000 | $963,000 | $8,268 |
| 2010 | $528,000 | $464,000 | $992,000 | $7,754 |
| 2009 | $654,000 | $575,000 | $1,229,000 | $8,475 |
| 2007 | $776,000 | $388,000 | $1,164,000 | $7,073 |
Property facts
Year built
2006
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
2,970 sqft
Lot size
7,416 sqft
ZIP code
98040
City
Mercer Island
Street
40th St
Coordinates
47.57424, -122.21561
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$14,748
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 9209 40th St last sell?
9209 40th St most recently sold on Sep 20, 2022 for $2,458,000.
What is the current tax assessment for 9209 40th St?
The most recent total assessment for 9209 40th St (year 2025) is $2,211,000 with $13,951 in property tax.
How does 9209 40th St's assessment compare to its last sale price?
The current assessment is 10.0% below the last sale price of $2,458,000.
When was 9209 40th St built?
9209 40th St was built in 2006.
How does 9209 40th St compare to others on 40th St?
We track 8 other properties on 40th St. Browse the list under "Other properties on 40th St" to compare beds, baths, and sale history.
What are the property facts for 9209 40th St?
9209 40th St is a 4 bed, 4 bath, 2,970 sqft, 7,416 sqft lot single_family.
Is 9209 40th St a flip candidate?
No — 9209 40th St does not appear in our flips dataset.
Is 9209 40th St a tax-appeal candidate?
No — 9209 40th 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 40th St