11450 21st Ave
Burien, WA 98146
3 bd 1.8 ba 2,100 sqft Built 1938 Lot 10,880 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 | $319,000 | $334,000 | $653,000 | $7,244 |
| 2024 | $356,000 | $301,000 | $657,000 | $6,867 |
| 2023 | $334,000 | $297,000 | $631,000 | $6,825 |
| 2022 | $294,000 | $251,000 | $545,000 | $6,661 |
| 2021 | $244,000 | $222,000 | $466,000 | $5,916 |
| 2020 | $267,000 | $184,000 | $451,000 | $5,677 |
| 2019 | $253,000 | $174,000 | $427,000 | $4,980 |
| 2018 | $213,000 | $152,000 | $365,000 | $5,092 |
| 2017 | $187,000 | $136,000 | $323,000 | $4,459 |
| 2016 | $162,000 | $124,000 | $286,000 | $3,834 |
| 2015 | $139,000 | $110,000 | $249,000 | $3,473 |
| 2014 | $130,000 | $97,000 | $227,000 | $3,346 |
| 2013 | $112,000 | $94,000 | $206,000 | $3,079 |
| 2012 | $160,000 | $109,000 | $269,000 | $3,333 |
| 2011 | $175,000 | $98,000 | $273,000 | $3,544 |
| 2009 | $213,000 | $104,000 | $317,000 | $3,640 |
| 2007 | $195,000 | $96,000 | $291,000 | $3,237 |
Property facts
Year built
1938
Property type
single_family
Stories
—
Beds
3
Baths
1.8
Living area
2,100 sqft
Lot size
10,880 sqft
ZIP code
98146
City
Burien
Street
21st Ave
Coordinates
47.49947, -122.36021
Comparable properties nearby
Frequently asked questions
When did 11450 21st Ave last sell?
No public-record sale is on file for 11450 21st Ave.
What is the current tax assessment for 11450 21st Ave?
The most recent total assessment for 11450 21st Ave (year 2025) is $653,000 with $7,244 in property tax.
When was 11450 21st Ave built?
11450 21st Ave was built in 1938.
How does 11450 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 11450 21st Ave?
11450 21st Ave is a 3 bed, 1.8 bath, 2,100 sqft, 10,880 sqft lot single_family.
Is 11450 21st Ave a flip candidate?
No — 11450 21st Ave does not appear in our flips dataset.
Is 11450 21st Ave a tax-appeal candidate?
No — 11450 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