6446 Union Ave
Firestone, CO 80504
4 bd 3 ba 4,434 sqft Built 2013 Lot 11,326 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 | $33,120 | $7,380 | $40,500 | $4,544 |
| 2024 | $33,120 | $7,380 | $40,500 | $3,965 |
| 2023 | $33,770 | $7,910 | $41,680 | $3,803 |
| 2022 | $26,960 | $5,210 | $32,170 | $3,365 |
| 2021 | $27,730 | $5,360 | $33,090 | $3,397 |
| 2020 | $27,270 | $4,290 | $31,560 | $3,214 |
| 2019 | $27,270 | $4,290 | $31,560 | $3,261 |
| 2018 | $24,820 | $4,320 | $29,140 | $2,901 |
| 2017 | $24,820 | $4,320 | $29,140 | $2,966 |
| 2016 | $23,140 | $4,460 | $27,600 | $2,855 |
| 2015 | $23,140 | $4,460 | $27,600 | $2,768 |
| 2014 | $18,450 | $1,910 | $20,360 | $2,039 |
| 2013 | — | $4,100 | $4,100 | $414 |
| 2011 | — | $2,860 | $2,860 | $272 |
| 2010 | — | $2,860 | $2,860 | $393 |
| 2009 | — | $4,160 | $4,160 | $390 |
| 2008 | — | $10,330 | $10,330 | $972 |
| 2007 | — | $10,330 | $10,330 | $907 |
Property facts
Year built
2013
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
4,434 sqft
Lot size
11,326 sqft
ZIP code
80504
City
Firestone
Street
Union Ave
Coordinates
40.16348, -104.93194
Comparable properties nearby
Frequently asked questions
When did 6446 Union Ave last sell?
No public-record sale is on file for 6446 Union Ave.
What is the current tax assessment for 6446 Union Ave?
The most recent total assessment for 6446 Union Ave (year 2025) is $40,500 with $4,544 in property tax.
When was 6446 Union Ave built?
6446 Union Ave was built in 2013.
How does 6446 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 6446 Union Ave?
6446 Union Ave is a 4 bed, 3 bath, 4,434 sqft, 11,326 sqft lot single_family.
Is 6446 Union Ave a flip candidate?
No — 6446 Union Ave does not appear in our flips dataset.
Is 6446 Union Ave a tax-appeal candidate?
No — 6446 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
-32.1%
Implied 1-yr
-128.3%
2026 Q3
$537.5K
2026 Q4
$537.5K
ZIP 80504 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Ave