9140 54th St
Mercer Island, WA 98040
4 bd 3.8 ba 5,540 sqft Built 1975 Lot 15,246 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 | $2,076,000 | $1,450,000 | $3,526,000 | $20,743 |
| 2024 | $1,907,000 | $1,260,000 | $3,167,000 | $20,355 |
| 2023 | $1,968,000 | $1,338,000 | $3,306,000 | $20,281 |
| 2022 | $1,306,000 | $1,102,000 | $2,408,000 | $17,737 |
| 2021 | $1,076,000 | $1,050,000 | $2,126,000 | $17,022 |
| 2020 | $1,439,000 | $884,000 | $2,323,000 | $18,353 |
| 2019 | $1,162,000 | $867,000 | $2,029,000 | $15,251 |
| 2018 | $1,047,000 | $784,000 | $1,831,000 | $15,889 |
| 2017 | $931,000 | $717,000 | $1,648,000 | $13,416 |
| 2016 | $844,000 | $649,000 | $1,493,000 | $12,483 |
| 2015 | $775,000 | $600,000 | $1,375,000 | $12,031 |
| 2014 | $622,000 | $615,000 | $1,237,000 | $11,303 |
| 2013 | $574,000 | $567,000 | $1,141,000 | $10,779 |
| 2012 | $555,000 | $626,000 | $1,181,000 | $10,230 |
| 2011 | $571,000 | $645,000 | $1,216,000 | $10,136 |
| 2009 | $707,000 | $800,000 | $1,507,000 | $10,389 |
| 2007 | $736,000 | $536,000 | $1,272,000 | $8,925 |
Property facts
Year built
1975
Property type
single_family
Stories
—
Beds
4
Baths
3.8
Living area
5,540 sqft
Lot size
15,246 sqft
ZIP code
98040
City
Mercer Island
Street
54th St
Coordinates
47.55432, -122.21639
Comparable properties nearby
Frequently asked questions
When did 9140 54th St last sell?
No public-record sale is on file for 9140 54th St.
What is the current tax assessment for 9140 54th St?
The most recent total assessment for 9140 54th St (year 2025) is $3,526,000 with $20,743 in property tax.
When was 9140 54th St built?
9140 54th St was built in 1975.
How does 9140 54th St compare to others on 54th St?
We track 5 other properties on 54th St. Browse the list under "Other properties on 54th St" to compare beds, baths, and sale history.
What are the property facts for 9140 54th St?
9140 54th St is a 4 bed, 3.8 bath, 5,540 sqft, 15,246 sqft lot single_family.
Is 9140 54th St a flip candidate?
No — 9140 54th St does not appear in our flips dataset.
Is 9140 54th St a tax-appeal candidate?
No — 9140 54th 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 54th St