9930 40th St
Mercer Island, WA 98040
4 bd 3 ba 2,110 sqft Built 1979 Lot 11,709 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 | $546,000 | $1,077,000 | $1,623,000 | $9,481 |
| 2024 | $378,000 | $1,068,000 | $1,446,000 | $9,540 |
| 2023 | $414,000 | $1,134,000 | $1,548,000 | $9,506 |
| 2022 | $223,000 | $934,000 | $1,157,000 | $8,531 |
| 2021 | $156,000 | $890,000 | $1,046,000 | $8,383 |
| 2020 | $355,000 | $714,000 | $1,069,000 | $8,455 |
| 2019 | $319,000 | $700,000 | $1,019,000 | $7,667 |
| 2018 | $287,000 | $633,000 | $920,000 | $7,989 |
| 2017 | $249,000 | $579,000 | $828,000 | $6,747 |
| 2016 | $226,000 | $524,000 | $750,000 | $6,277 |
| 2015 | $206,000 | $485,000 | $691,000 | $6,052 |
| 2014 | $110,000 | $469,000 | $579,000 | $5,294 |
| 2013 | $101,000 | $433,000 | $534,000 | $5,048 |
| 2012 | $75,000 | $478,000 | $553,000 | $4,799 |
| 2011 | $78,000 | $492,000 | $570,000 | $4,752 |
| 2009 | $97,000 | $610,000 | $707,000 | $4,880 |
| 2007 | $158,000 | $435,000 | $593,000 | $3,977 |
Property facts
Year built
1979
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,110 sqft
Lot size
11,709 sqft
ZIP code
98040
City
Mercer Island
Street
40th St
Coordinates
47.57530, -122.20624
Comparable properties nearby
Frequently asked questions
When did 9930 40th St last sell?
No public-record sale is on file for 9930 40th St.
What is the current tax assessment for 9930 40th St?
The most recent total assessment for 9930 40th St (year 2025) is $1,623,000 with $9,481 in property tax.
When was 9930 40th St built?
9930 40th St was built in 1979.
How does 9930 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 9930 40th St?
9930 40th St is a 4 bed, 3 bath, 2,110 sqft, 11,709 sqft lot single_family.
Is 9930 40th St a flip candidate?
No — 9930 40th St does not appear in our flips dataset.
Is 9930 40th St a tax-appeal candidate?
No — 9930 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