9107 42nd St
Mercer Island, WA 98040
5 bd 5 ba 3,962 sqft Built 2019 Lot 10,890 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 | $2,057,000 | $1,141,000 | $3,198,000 | $21,129 |
| 2024 | $2,020,000 | $1,206,000 | $3,226,000 | $21,263 |
| 2023 | $2,367,000 | $1,281,000 | $3,648,000 | $22,377 |
| 2022 | $1,672,000 | $1,055,000 | $2,727,000 | $20,084 |
| 2021 | $1,460,000 | $1,005,000 | $2,465,000 | $19,733 |
| 2020 | $1,528,000 | $772,000 | $2,300,000 | $18,171 |
| 2019 | — | $757,000 | $757,000 | $5,697 |
| 2018 | $141,000 | $685,000 | $826,000 | $7,174 |
| 2017 | $117,000 | $627,000 | $744,000 | $6,064 |
| 2016 | $106,000 | $568,000 | $674,000 | $5,642 |
| 2015 | $96,000 | $525,000 | $621,000 | $5,440 |
| 2014 | $41,000 | $492,000 | $533,000 | $4,874 |
| 2013 | $38,000 | $454,000 | $492,000 | $4,652 |
| 2012 | $8,000 | $501,000 | $509,000 | $4,418 |
| 2011 | $8,000 | $516,000 | $524,000 | $4,375 |
| 2009 | $10,000 | $640,000 | $650,000 | $4,488 |
| 2007 | $132,000 | $395,000 | $527,000 | $3,415 |
Property facts
Year built
2019
Property type
single_family
Stories
—
Beds
5
Baths
5
Living area
3,962 sqft
Lot size
10,890 sqft
ZIP code
98040
City
Mercer Island
Street
42nd St
Coordinates
47.57072, -122.21709
Comparable properties nearby
Frequently asked questions
When did 9107 42nd St last sell?
No public-record sale is on file for 9107 42nd St.
What is the current tax assessment for 9107 42nd St?
The most recent total assessment for 9107 42nd St (year 2025) is $3,198,000 with $21,129 in property tax.
When was 9107 42nd St built?
9107 42nd St was built in 2019.
How does 9107 42nd St compare to others on 42nd St?
We track 2 other properties on 42nd St. Browse the list under "Other properties on 42nd St" to compare beds, baths, and sale history.
What are the property facts for 9107 42nd St?
9107 42nd St is a 5 bed, 5 bath, 3,962 sqft, 10,890 sqft lot single_family.
Is 9107 42nd St a flip candidate?
No — 9107 42nd St does not appear in our flips dataset.
Is 9107 42nd St a tax-appeal candidate?
No — 9107 42nd 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 42nd St