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20308 21st Ave

Shoreline, WA 98155

3 bd 2 ba 1,260 sqft Built 1955 Lot 8,100 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 $277,000 $363,000 $640,000 $6,824
2024 $248,000 $363,000 $611,000 $6,431
2023 $210,000 $371,000 $581,000 $6,185
2022 $166,000 $307,000 $473,000 $5,605
2021 $143,000 $267,000 $410,000 $5,351
2020 $147,000 $262,000 $409,000 $5,279
2019 $129,000 $238,000 $367,000 $4,665
2018 $138,000 $220,000 $358,000 $4,570
2017 $120,000 $193,000 $313,000 $3,840
2016 $111,000 $177,000 $288,000 $3,675
2015 $99,000 $151,000 $250,000 $3,382
2014 $88,000 $130,000 $218,000 $3,284
2013 $72,000 $130,000 $202,000 $6,610
2012 $89,000 $157,000 $246,000 $3,477
2011 $89,000 $157,000 $246,000 $3,500
2009 $116,000 $185,000 $301,000 $3,596
2007 $100,000 $168,000 $268,000 $3,218

Property facts

Year built
1955
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,260 sqft
Lot size
8,100 sqft
ZIP code
98155
City
Shoreline
Street
21st Ave
Coordinates
47.77632, -122.30591

Comparable properties nearby

Frequently asked questions

When did 20308 21st Ave last sell?
No public-record sale is on file for 20308 21st Ave.
What is the current tax assessment for 20308 21st Ave?
The most recent total assessment for 20308 21st Ave (year 2025) is $640,000 with $6,824 in property tax.
When was 20308 21st Ave built?
20308 21st Ave was built in 1955.
How does 20308 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 20308 21st Ave?
20308 21st Ave is a 3 bed, 2 bath, 1,260 sqft, 8,100 sqft lot single_family.
Is 20308 21st Ave a flip candidate?
No — 20308 21st Ave does not appear in our flips dataset.
Is 20308 21st Ave a tax-appeal candidate?
No — 20308 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
-0.7%
Implied 1-yr
-3.0%
2026 Q3
$882.9K
2026 Q4
$876K
ZIP 98155 — Median Price History + Forecast

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