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16221 21st Ave

Burien, WA 98166

4 bd 3 ba 3,700 sqft Built 1949 Lot 63,162 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 $846,000 $418,000 $1,264,000 $14,238
2024 $919,000 $375,000 $1,294,000 $13,824
2023 $813,000 $310,000 $1,123,000 $12,127
2022 $906,000 $351,000 $1,257,000 $15,328
2021 $788,000 $334,000 $1,122,000 $14,192
2020 $763,000 $319,000 $1,082,000 $13,580
2019 $738,000 $304,000 $1,042,000 $12,109
2018 $645,000 $290,000 $935,000 $12,989
2017 $545,000 $270,000 $815,000 $11,201
2016 $425,000 $342,000 $767,000 $10,177
2015 $355,000 $342,000 $697,000 $9,668
2014 $240,000 $303,000 $543,000 $7,995
2013 $246,000 $303,000 $549,000 $8,162
2012 $270,000 $336,000 $606,000 $7,979
2011 $290,000 $305,000 $595,000 $7,960
2009 $455,000 $305,000 $760,000 $8,243
2007 $385,000 $291,000 $676,000 $6,733

Property facts

Year built
1949
Property type
single_family
Stories
1
Beds
4
Baths
3
Living area
3,700 sqft
Lot size
63,162 sqft
ZIP code
98166
City
Burien
Street
21st Ave
Coordinates
47.45746, -122.36211

Comparable properties nearby

Block-level micro-comps

Same street, ±3 house numbers, sold in the last 24 months

Frequently asked questions

When did 16221 21st Ave last sell?
No public-record sale is on file for 16221 21st Ave.
What is the current tax assessment for 16221 21st Ave?
The most recent total assessment for 16221 21st Ave (year 2025) is $1,264,000 with $14,238 in property tax.
When was 16221 21st Ave built?
16221 21st Ave was built in 1949.
How does 16221 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 16221 21st Ave?
16221 21st Ave is a 4 bed, 3 bath, 3,700 sqft, 63,162 sqft lot single_family.
Is 16221 21st Ave a flip candidate?
No — 16221 21st Ave does not appear in our flips dataset.
Is 16221 21st Ave a tax-appeal candidate?
No — 16221 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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