9100 50th St
Mercer Island, WA 98040
5 bd 4 ba 4,328 sqft Built 1961 Lot 23,489 sqft single_family
Most recent sale
$2,500,000
Aug 9, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 9, 2022 | Sold | $2,500,000 | MLS #1951414 |
| Jun 16, 2022 | Listed | $2,600,000 | MLS #1951414 |
| Jan 26, 1996 | Sold | $387,500 | Public Record |
| Jan 5, 1995 | Sold | $357,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $925,000 | $1,507,000 | $2,432,000 | $13,578 |
| 2024 | $746,000 | $1,326,000 | $2,072,000 | $13,407 |
| 2023 | $769,000 | $1,408,000 | $2,177,000 | $13,361 |
| 2022 | $339,000 | $1,159,000 | $1,498,000 | $11,040 |
| 2021 | $219,000 | $1,104,000 | $1,323,000 | $10,599 |
| 2020 | $219,000 | $1,104,000 | $1,323,000 | $10,539 |
| 2019 | $295,000 | $1,038,000 | $1,333,000 | $9,815 |
| 2018 | $287,000 | $1,018,000 | $1,305,000 | $10,227 |
| 2017 | $257,000 | $921,000 | $1,178,000 | $8,643 |
| 2016 | $219,000 | $842,000 | $1,061,000 | $8,040 |
| 2015 | $199,000 | $762,000 | $961,000 | $7,749 |
| 2014 | $180,000 | $705,000 | $885,000 | $6,674 |
| 2013 | $138,000 | $592,000 | $730,000 | $6,361 |
| 2012 | $127,000 | $546,000 | $673,000 | $6,041 |
| 2011 | $94,000 | $603,000 | $697,000 | $5,988 |
| 2010 | $97,000 | $621,000 | $718,000 | $5,616 |
| 2009 | $120,000 | $770,000 | $890,000 | $6,141 |
| 2007 | $305,000 | $482,000 | $787,000 | $5,094 |
Property facts
Year built
1961
Property type
single_family
Stories
—
Beds
5
Baths
4
Living area
4,328 sqft
Lot size
23,489 sqft
ZIP code
98040
City
Mercer Island
Street
50th St
Coordinates
47.55836, -122.21701
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$9,954
Gross rental yield
4.78%
Implied cap rate
3.11%
Trend-extrapolated value
—
Frequently asked questions
When did 9100 50th St last sell?
9100 50th St most recently sold on Aug 9, 2022 for $2,500,000.
What is the current tax assessment for 9100 50th St?
The most recent total assessment for 9100 50th St (year 2025) is $2,432,000 with $13,578 in property tax.
How does 9100 50th St's assessment compare to its last sale price?
The current assessment is 2.7% below the last sale price of $2,500,000.
When was 9100 50th St built?
9100 50th St was built in 1961.
How does 9100 50th St compare to others on 50th St?
We track 8 other properties on 50th St. Browse the list under "Other properties on 50th St" to compare beds, baths, and sale history.
What are the property facts for 9100 50th St?
9100 50th St is a 5 bed, 4 bath, 4,328 sqft, 23,489 sqft lot single_family.
Is 9100 50th St a flip candidate?
No — 9100 50th St does not appear in our flips dataset.
Is 9100 50th St a tax-appeal candidate?
No — 9100 50th 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 50th St