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15620 21st Ave

Burien, WA 98166

3 bd 2 ba 1,260 sqft Built 1938 Lot 11,326 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 $310,000 $317,000 $627,000 $7,066
2024 $345,000 $286,000 $631,000 $6,695
2023 $323,000 $283,000 $606,000 $6,646
2022 $272,000 $239,000 $511,000 $6,351
2021 $240,000 $212,000 $452,000 $5,832
2020 $146,000 $184,000 $330,000 $4,274
2019 $138,000 $174,000 $312,000 $3,755
2018 $132,000 $152,000 $284,000 $4,068
2017 $115,000 $136,000 $251,000 $3,568
2016 $106,000 $124,000 $230,000 $3,170
2015 $91,000 $110,000 $201,000 $2,906
2014 $103,000 $129,000 $232,000 $3,498
2013 $83,000 $125,000 $208,000 $3,181
2012 $89,000 $167,000 $256,000 $3,348
2011 $92,000 $167,000 $259,000 $3,437
2009 $140,000 $181,000 $321,000 $3,556
2007 $161,000 $100,000 $261,000 $2,803

Property facts

Year built
1938
Property type
single_family
Stories
2
Beds
3
Baths
2
Living area
1,260 sqft
Lot size
11,326 sqft
ZIP code
98166
City
Burien
Street
21st Ave
Coordinates
47.46258, -122.36014

Comparable properties nearby

Frequently asked questions

When did 15620 21st Ave last sell?
No public-record sale is on file for 15620 21st Ave.
What is the current tax assessment for 15620 21st Ave?
The most recent total assessment for 15620 21st Ave (year 2025) is $627,000 with $7,066 in property tax.
When was 15620 21st Ave built?
15620 21st Ave was built in 1938.
How does 15620 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 15620 21st Ave?
15620 21st Ave is a 3 bed, 2 bath, 1,260 sqft, 11,326 sqft lot single_family.
Is 15620 21st Ave a flip candidate?
No — 15620 21st Ave does not appear in our flips dataset.
Is 15620 21st Ave a tax-appeal candidate?
No — 15620 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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