4505 91st Ave
Mercer Island, WA 98040
4 bd 3 ba 2,600 sqft Built 1970 Lot 9,525 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 | $547,000 | $1,204,000 | $1,751,000 | $9,769 |
| 2024 | $436,000 | $1,054,000 | $1,490,000 | $9,650 |
| 2023 | $446,000 | $1,120,000 | $1,566,000 | $9,616 |
| 2022 | $249,000 | $922,000 | $1,171,000 | $8,634 |
| 2021 | $155,000 | $879,000 | $1,034,000 | $8,287 |
| 2020 | $307,000 | $768,000 | $1,075,000 | $8,502 |
| 2019 | $300,000 | $753,000 | $1,053,000 | $7,922 |
| 2018 | $255,000 | $681,000 | $936,000 | $8,128 |
| 2017 | $220,000 | $623,000 | $843,000 | $6,869 |
| 2016 | $200,000 | $564,000 | $764,000 | $6,394 |
| 2015 | $182,000 | $522,000 | $704,000 | $6,166 |
| 2014 | $79,000 | $477,000 | $556,000 | $5,084 |
| 2013 | $73,000 | $440,000 | $513,000 | $4,850 |
| 2012 | $46,000 | $485,000 | $531,000 | $4,608 |
| 2011 | $47,000 | $500,000 | $547,000 | $4,564 |
| 2009 | $58,000 | $620,000 | $678,000 | $4,680 |
| 2007 | $211,000 | $412,000 | $623,000 | $4,179 |
Property facts
Year built
1970
Property type
single_family
Stories
1
Beds
4
Baths
3
Living area
2,600 sqft
Lot size
9,525 sqft
ZIP code
98040
City
Mercer Island
Street
91st Ave
Coordinates
47.56509, -122.21793
Comparable properties nearby
Frequently asked questions
When did 4505 91st Ave last sell?
No public-record sale is on file for 4505 91st Ave.
What is the current tax assessment for 4505 91st Ave?
The most recent total assessment for 4505 91st Ave (year 2025) is $1,751,000 with $9,769 in property tax.
When was 4505 91st Ave built?
4505 91st Ave was built in 1970.
How does 4505 91st Ave compare to others on 91st Ave?
We track 8 other properties on 91st Ave. Browse the list under "Other properties on 91st Ave" to compare beds, baths, and sale history.
What are the property facts for 4505 91st Ave?
4505 91st Ave is a 4 bed, 3 bath, 2,600 sqft, 9,525 sqft lot single_family.
Is 4505 91st Ave a flip candidate?
No — 4505 91st Ave does not appear in our flips dataset.
Is 4505 91st Ave a tax-appeal candidate?
No — 4505 91st Ave 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 91st Ave