4301 Union Ave
Denver, CO 80236
3 bd 3 ba 2,999 sqft Built 1979 Lot 8,960 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 | $36,260 | $6,110 | $42,370 | $3,656 |
| 2024 | $36,260 | $6,110 | $42,370 | $3,557 |
| 2023 | $42,050 | $2,870 | $44,920 | $3,480 |
| 2022 | $26,830 | $6,800 | $33,630 | $2,674 |
| 2021 | $27,600 | $6,990 | $34,590 | $2,047 |
| 2020 | $24,830 | $6,360 | $31,190 | $1,783 |
| 2019 | $24,830 | $6,360 | $31,190 | $1,733 |
| 2018 | $21,990 | $5,760 | $27,750 | $1,589 |
| 2017 | $21,990 | $5,760 | $27,750 | $1,585 |
| 2016 | $20,460 | $6,370 | $26,830 | $1,538 |
| 2015 | $20,460 | $6,370 | $26,830 | $1,474 |
| 2014 | $16,700 | $3,980 | $20,680 | $1,056 |
| 2013 | $16,700 | $3,980 | $20,680 | $1,056 |
| 2012 | $17,130 | $3,980 | $21,110 | $1,105 |
| 2010 | $17,130 | $3,980 | $21,110 | $1,513 |
| 2009 | $18,750 | $3,980 | $22,730 | $1,480 |
| 2008 | $18,750 | $3,980 | $22,730 | $1,035 |
| 2007 | $19,480 | $3,980 | $23,460 | $1,036 |
Property facts
Year built
1979
Property type
single_family
Stories
1
Beds
3
Baths
3
Living area
2,999 sqft
Lot size
8,960 sqft
ZIP code
80236
City
Denver
Street
Union Ave
Coordinates
39.63212, -105.04444
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 4301 Union Ave last sell?
No public-record sale is on file for 4301 Union Ave.
What is the current tax assessment for 4301 Union Ave?
The most recent total assessment for 4301 Union Ave (year 2025) is $42,370 with $3,656 in property tax.
When was 4301 Union Ave built?
4301 Union Ave was built in 1979.
How does 4301 Union Ave compare to others on Union Ave?
We track 8 other properties on Union Ave. Browse the list under "Other properties on Union Ave" to compare beds, baths, and sale history.
What are the property facts for 4301 Union Ave?
4301 Union Ave is a 3 bed, 3 bath, 2,999 sqft, 8,960 sqft lot single_family.
Is 4301 Union Ave a flip candidate?
No — 4301 Union Ave does not appear in our flips dataset.
Is 4301 Union Ave a tax-appeal candidate?
No — 4301 Union 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
-1.0%
Implied 1-yr
-3.8%
2026 Q2
$423.8K
2026 Q3
$423.8K
ZIP 80236 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Ave