9400 47th St
Mercer Island, WA 98040
4 bd 4 ba 3,980 sqft Built 1999 Lot 20,473 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 | $1,015,000 | $772,000 | $1,787,000 | $10,705 |
| 2024 | $941,000 | $692,000 | $1,633,000 | $10,572 |
| 2023 | $981,000 | $735,000 | $1,716,000 | $10,536 |
| 2022 | $678,000 | $605,000 | $1,283,000 | $9,458 |
| 2021 | $556,000 | $577,000 | $1,133,000 | $9,079 |
| 2020 | $768,000 | $421,000 | $1,189,000 | $9,402 |
| 2019 | $226,000 | $195,000 | $421,000 | $3,176 |
| 2018 | $203,000 | $177,000 | $380,000 | $3,307 |
| 2017 | $192,000 | $162,000 | $354,000 | $2,892 |
| 2016 | $699,000 | $590,000 | $1,289,000 | $10,779 |
| 2015 | $641,000 | $546,000 | $1,187,000 | $10,388 |
| 2014 | $390,000 | $511,000 | $901,000 | $8,235 |
| 2013 | $360,000 | $471,000 | $831,000 | $7,853 |
| 2012 | $340,000 | $520,000 | $860,000 | $7,455 |
| 2011 | $350,000 | $536,000 | $886,000 | $7,384 |
| 2009 | $433,000 | $665,000 | $1,098,000 | $7,573 |
| 2007 | $528,000 | $414,000 | $942,000 | $6,616 |
Property facts
Year built
1999
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
3,980 sqft
Lot size
20,473 sqft
ZIP code
98040
City
Mercer Island
Street
47th St
Coordinates
47.56278, -122.21496
Comparable properties nearby
Frequently asked questions
When did 9400 47th St last sell?
No public-record sale is on file for 9400 47th St.
What is the current tax assessment for 9400 47th St?
The most recent total assessment for 9400 47th St (year 2025) is $1,787,000 with $10,705 in property tax.
When was 9400 47th St built?
9400 47th St was built in 1999.
How does 9400 47th St compare to others on 47th St?
We track 7 other properties on 47th St. Browse the list under "Other properties on 47th St" to compare beds, baths, and sale history.
What are the property facts for 9400 47th St?
9400 47th St is a 4 bed, 4 bath, 3,980 sqft, 20,473 sqft lot single_family.
Is 9400 47th St a flip candidate?
No — 9400 47th St does not appear in our flips dataset.
Is 9400 47th St a tax-appeal candidate?
No — 9400 47th 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 47th St