4048 89th Ave
Mercer Island, WA 98040
5 bd 3 ba 3,080 sqft Built 1957 Lot 6,750 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 |
|---|---|---|---|---|
| 2026 | $480,000 | $1,118,000 | $1,598,000 | $10,425 |
| 2025 | $480,000 | $1,118,000 | $1,598,000 | $9,880 |
| 2024 | $457,000 | $1,050,000 | $1,507,000 | $9,760 |
| 2023 | $469,000 | $1,115,000 | $1,584,000 | $9,727 |
| 2022 | $266,000 | $918,000 | $1,184,000 | $8,730 |
| 2021 | $171,000 | $875,000 | $1,046,000 | $8,383 |
| 2020 | $340,000 | $661,000 | $1,001,000 | $7,918 |
| 2019 | $256,000 | $649,000 | $905,000 | $6,810 |
| 2018 | $230,000 | $587,000 | $817,000 | $7,096 |
| 2017 | $199,000 | $537,000 | $736,000 | $5,999 |
| 2016 | $181,000 | $486,000 | $667,000 | $5,584 |
| 2015 | $164,000 | $450,000 | $614,000 | $5,379 |
| 2014 | $79,000 | $422,000 | $501,000 | $4,582 |
| 2013 | $73,000 | $389,000 | $462,000 | $4,369 |
| 2012 | $48,000 | $430,000 | $478,000 | $4,146 |
| 2011 | $49,000 | $443,000 | $492,000 | $4,109 |
| 2009 | $60,000 | $550,000 | $610,000 | $4,212 |
| 2007 | $215,000 | $375,000 | $590,000 | $3,820 |
Property facts
Year built
1957
Property type
single_family
Stories
1
Beds
5
Baths
3
Living area
3,080 sqft
Lot size
6,750 sqft
ZIP code
98040
City
Mercer Island
Street
89th Ave
Coordinates
47.57313, -122.21958
Comparable properties nearby
Frequently asked questions
When did 4048 89th Ave last sell?
No public-record sale is on file for 4048 89th Ave.
What is the current tax assessment for 4048 89th Ave?
The most recent total assessment for 4048 89th Ave (year 2026) is $1,598,000 with $10,425 in property tax.
When was 4048 89th Ave built?
4048 89th Ave was built in 1957.
How does 4048 89th Ave compare to others on 89th Ave?
We track 8 other properties on 89th Ave. Browse the list under "Other properties on 89th Ave" to compare beds, baths, and sale history.
What are the property facts for 4048 89th Ave?
4048 89th Ave is a 5 bed, 3 bath, 3,080 sqft, 6,750 sqft lot single_family.
Is 4048 89th Ave a flip candidate?
No — 4048 89th Ave does not appear in our flips dataset.
Is 4048 89th Ave a tax-appeal candidate?
No — 4048 89th 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 89th Ave