520 21st St
Mount Vernon, WA 98273
3 bd 2 ba 1,360 sqft Built 1974 Lot 10,454 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 |
|---|---|---|---|---|
| 2026 | $228,900 | $210,100 | $439,000 | $4,902 |
| 2025 | $228,900 | $210,100 | $439,000 | $4,735 |
| 2024 | $231,200 | $169,100 | $400,300 | $4,094 |
| 2023 | $221,200 | $168,000 | $389,200 | $4,033 |
| 2022 | $200,200 | $116,900 | $317,100 | $3,721 |
| 2021 | $123,300 | $104,000 | $227,300 | $2,868 |
| 2020 | $118,100 | $93,000 | $211,100 | $2,740 |
| 2019 | $110,000 | $81,400 | $191,400 | $2,191 |
| 2018 | $96,600 | $71,500 | $168,100 | $2,500 |
| 2017 | $84,700 | $62,700 | $147,400 | $2,174 |
| 2016 | $78,000 | $57,800 | $135,800 | $2,022 |
| 2015 | $77,700 | $63,900 | $141,600 | $2,188 |
| 2014 | $77,700 | $63,900 | $141,600 | $2,145 |
| 2013 | $77,700 | $63,900 | $141,600 | $2,177 |
| 2012 | $82,000 | $67,400 | $149,400 | $2,110 |
| 2011 | $92,700 | $76,100 | $168,800 | $2,185 |
| 2010 | $96,900 | $79,600 | $176,500 | $2,154 |
| 2009 | $107,000 | $93,600 | $200,600 | $2,272 |
| 2008 | $107,000 | $93,600 | $200,600 | $2,165 |
Property facts
Year built
1974
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,360 sqft
Lot size
10,454 sqft
ZIP code
98273
City
Mount Vernon
Street
21st St
Coordinates
48.42530, -122.31452
Comparable properties nearby
Frequently asked questions
When did 520 21st St last sell?
No public-record sale is on file for 520 21st St.
What is the current tax assessment for 520 21st St?
The most recent total assessment for 520 21st St (year 2026) is $439,000 with $4,902 in property tax.
When was 520 21st St built?
520 21st St was built in 1974.
How does 520 21st St compare to others on 21st St?
We track 8 other properties on 21st St. Browse the list under "Other properties on 21st St" to compare beds, baths, and sale history.
What are the property facts for 520 21st St?
520 21st St is a 3 bed, 2 bath, 1,360 sqft, 10,454 sqft lot single_family.
Is 520 21st St a flip candidate?
No — 520 21st St does not appear in our flips dataset.
Is 520 21st St a tax-appeal candidate?
No — 520 21st St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.5%
Implied 1-yr
-2.0%
2026 Q3
$540.1K
2026 Q4
$537.3K
ZIP 98273 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st St