12018 21st Ave
Burien, WA 98146
4 bd 2.8 ba 2,200 sqft Built 1948 Lot 12,197 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 | $506,000 | $329,000 | $835,000 | $9,489 |
| 2024 | $560,000 | $295,000 | $855,000 | $9,210 |
| 2023 | $497,000 | $245,000 | $742,000 | $8,088 |
| 2022 | $482,000 | $212,000 | $694,000 | $8,553 |
| 2021 | $438,000 | $202,000 | $640,000 | $8,178 |
| 2020 | $424,000 | $193,000 | $617,000 | $7,826 |
| 2019 | $410,000 | $184,000 | $594,000 | $6,982 |
| 2018 | $293,000 | $176,000 | $469,000 | $6,603 |
| 2017 | $245,000 | $164,000 | $409,000 | $5,707 |
| 2016 | $234,000 | $141,000 | $375,000 | $5,062 |
| 2015 | $179,000 | $141,000 | $320,000 | $4,528 |
| 2014 | $155,000 | $125,000 | $280,000 | $4,192 |
| 2013 | $171,000 | $125,000 | $296,000 | $4,466 |
| 2012 | $187,000 | $140,000 | $327,000 | $4,365 |
| 2011 | $185,000 | $112,000 | $297,000 | $4,355 |
| 2009 | $268,000 | $112,000 | $380,000 | $4,186 |
| 2007 | $231,000 | $107,000 | $338,000 | $3,753 |
Property facts
Year built
1948
Property type
single_family
Stories
—
Beds
4
Baths
2.8
Living area
2,200 sqft
Lot size
12,197 sqft
ZIP code
98146
City
Burien
Street
21st Ave
Coordinates
47.49498, -122.36015
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 12018 21st Ave last sell?
No public-record sale is on file for 12018 21st Ave.
What is the current tax assessment for 12018 21st Ave?
The most recent total assessment for 12018 21st Ave (year 2025) is $835,000 with $9,489 in property tax.
When was 12018 21st Ave built?
12018 21st Ave was built in 1948.
How does 12018 21st Ave compare to others on 21st Ave?
We track 8 other properties on 21st Ave. Browse the list under "Other properties on 21st Ave" to compare beds, baths, and sale history.
What are the property facts for 12018 21st Ave?
12018 21st Ave is a 4 bed, 2.8 bath, 2,200 sqft, 12,197 sqft lot single_family.
Is 12018 21st Ave a flip candidate?
No — 12018 21st Ave does not appear in our flips dataset.
Is 12018 21st Ave a tax-appeal candidate?
No — 12018 21st 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
+1.9%
Implied 1-yr
+7.6%
2026 Q2
$853.6K
2026 Q3
$868K
ZIP 98146 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st Ave