521 Dewey Ave
Boulder, CO 80304
3 bd 3 ba 1,756 sqft Built 1950 Lot 6,532 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 | $35,556 | $87,650 | $123,206 | $11,747 |
| 2024 | $35,556 | $87,650 | $123,206 | $12,001 |
| 2023 | $43,101 | $97,143 | $140,244 | $11,793 |
| 2022 | $32,033 | $69,757 | $101,790 | $9,452 |
| 2021 | $32,954 | $71,765 | $104,719 | $9,013 |
| 2020 | $28,014 | $63,564 | $91,578 | $7,971 |
| 2019 | $28,014 | $63,564 | $91,578 | $7,849 |
| 2018 | $27,821 | $50,976 | $78,797 | $6,831 |
| 2017 | $27,821 | $50,976 | $78,797 | $6,617 |
| 2016 | $33,981 | $41,153 | $75,134 | $6,503 |
| 2015 | $33,981 | $41,153 | $75,134 | $6,158 |
| 2014 | $28,855 | $40,676 | $69,531 | $5,978 |
| 2013 | $28,855 | $40,676 | $69,531 | $5,846 |
| 2011 | $29,054 | $37,014 | $66,068 | $5,485 |
| 2010 | $29,054 | $37,014 | $66,068 | $6,147 |
| 2009 | $29,054 | $37,014 | $66,068 | $5,740 |
| 2008 | $21,850 | $42,980 | $64,830 | $4,768 |
Property facts
Year built
1950
Property type
single_family
Stories
—
Beds
3
Baths
3
Living area
1,756 sqft
Lot size
6,532 sqft
ZIP code
80304
City
Boulder
Street
Dewey Ave
Coordinates
40.02393, -105.28946
Comparable properties nearby
Frequently asked questions
When did 521 Dewey Ave last sell?
No public-record sale is on file for 521 Dewey Ave.
What is the current tax assessment for 521 Dewey Ave?
The most recent total assessment for 521 Dewey Ave (year 2025) is $123,206 with $11,747 in property tax.
When was 521 Dewey Ave built?
521 Dewey Ave was built in 1950.
How does 521 Dewey Ave compare to others on Dewey Ave?
We track 8 other properties on Dewey Ave. Browse the list under "Other properties on Dewey Ave" to compare beds, baths, and sale history.
What are the property facts for 521 Dewey Ave?
521 Dewey Ave is a 3 bed, 3 bath, 1,756 sqft, 6,532 sqft lot single_family.
Is 521 Dewey Ave a flip candidate?
No — 521 Dewey Ave does not appear in our flips dataset.
Is 521 Dewey Ave a tax-appeal candidate?
No — 521 Dewey 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
+1.2%
Implied 1-yr
+5.0%
2026 Q3
$2.17M
2026 Q4
$2.2M
ZIP 80304 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Dewey Ave