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15455 21st Ave

Burien, WA 98166

4 bd 3 ba 2,239 sqft Built 2004 Lot 7,847 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

YearBuildingLandTotal assessedTax paid
2025 $432,000 $296,000 $728,000 $8,310
2024 $480,000 $266,000 $746,000 $8,071
2023 $428,000 $220,000 $648,000 $7,091
2022 $470,000 $187,000 $657,000 $8,108
2021 $428,000 $178,000 $606,000 $7,753
2020 $410,000 $170,000 $580,000 $7,368
2019 $397,000 $162,000 $559,000 $6,581
2018 $330,000 $155,000 $485,000 $6,823
2017 $279,000 $144,000 $423,000 $5,896
2016 $340,000 $122,000 $462,000 $6,197
2015 $272,000 $122,000 $394,000 $5,537
2014 $201,000 $108,000 $309,000 $4,611
2013 $218,000 $108,000 $326,000 $4,905
2012 $240,000 $120,000 $360,000 $4,791
2011 $273,000 $91,000 $364,000 $4,781
2009 $374,000 $91,000 $465,000 $5,093
2007 $327,000 $87,000 $414,000 $4,391

Property facts

Year built
2004
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,239 sqft
Lot size
7,847 sqft
ZIP code
98166
City
Burien
Street
21st Ave
Coordinates
47.46336, -122.36096

Comparable properties nearby

Frequently asked questions

When did 15455 21st Ave last sell?
No public-record sale is on file for 15455 21st Ave.
What is the current tax assessment for 15455 21st Ave?
The most recent total assessment for 15455 21st Ave (year 2025) is $728,000 with $8,310 in property tax.
When was 15455 21st Ave built?
15455 21st Ave was built in 2004.
How does 15455 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 15455 21st Ave?
15455 21st Ave is a 4 bed, 3 bath, 2,239 sqft, 7,847 sqft lot single_family.
Is 15455 21st Ave a flip candidate?
No — 15455 21st Ave does not appear in our flips dataset.
Is 15455 21st Ave a tax-appeal candidate?
No — 15455 21st Ave is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
-4.6%
Implied 1-yr
-18.2%
2026 Q3
$900K
2026 Q4
$900K
ZIP 98166 — Median Price History + Forecast

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