16721 21st Ave
Burien, WA 98166
4 bd 4 ba 2,680 sqft Built 1954 Lot 12,735 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 | $822,000 | $329,000 | $1,151,000 | $12,994 |
| 2024 | $884,000 | $295,000 | $1,179,000 | $12,616 |
| 2023 | $457,000 | $245,000 | $702,000 | $7,664 |
| 2022 | $401,000 | $212,000 | $613,000 | $7,578 |
| 2021 | $345,000 | $202,000 | $547,000 | $7,017 |
| 2020 | $335,000 | $193,000 | $528,000 | $6,724 |
| 2019 | $325,000 | $184,000 | $509,000 | $6,009 |
| 2018 | $281,000 | $176,000 | $457,000 | $6,439 |
| 2017 | $265,000 | $164,000 | $429,000 | $5,977 |
| 2016 | $237,000 | $162,000 | $399,000 | $5,375 |
| 2015 | $201,000 | $162,000 | $363,000 | $5,115 |
| 2014 | $174,000 | $144,000 | $318,000 | $4,741 |
| 2013 | $192,000 | $144,000 | $336,000 | $5,051 |
| 2012 | $211,000 | $160,000 | $371,000 | $4,928 |
| 2011 | $220,000 | $120,000 | $340,000 | $4,923 |
| 2009 | $314,000 | $120,000 | $434,000 | $4,762 |
| 2007 | $271,000 | $115,000 | $386,000 | $4,263 |
Property facts
Year built
1954
Property type
single_family
Stories
1
Beds
4
Baths
4
Living area
2,680 sqft
Lot size
12,735 sqft
ZIP code
98166
City
Burien
Street
21st Ave
Coordinates
47.45245, -122.36098
Comparable properties nearby
Frequently asked questions
When did 16721 21st Ave last sell?
No public-record sale is on file for 16721 21st Ave.
What is the current tax assessment for 16721 21st Ave?
The most recent total assessment for 16721 21st Ave (year 2025) is $1,151,000 with $12,994 in property tax.
When was 16721 21st Ave built?
16721 21st Ave was built in 1954.
How does 16721 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 16721 21st Ave?
16721 21st Ave is a 4 bed, 4 bath, 2,680 sqft, 12,735 sqft lot single_family.
Is 16721 21st Ave a flip candidate?
No — 16721 21st Ave does not appear in our flips dataset.
Is 16721 21st Ave a tax-appeal candidate?
No — 16721 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
-4.6%
Implied 1-yr
-18.2%
2026 Q3
$900K
2026 Q4
$900K
ZIP 98166 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st Ave