6398 Union Ave
Firestone, CO 80504
4 bd 3 ba 2,946 sqft Built 2012 Lot 6,406 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 | $29,760 | $7,380 | $37,140 | $4,166 |
| 2024 | $29,760 | $7,380 | $37,140 | $3,679 |
| 2023 | $31,030 | $7,910 | $38,940 | $3,529 |
| 2022 | $24,690 | $5,210 | $29,900 | $3,127 |
| 2021 | $25,400 | $5,360 | $30,760 | $3,158 |
| 2020 | $22,850 | $4,290 | $27,140 | $2,764 |
| 2019 | $22,850 | $4,290 | $27,140 | $2,804 |
| 2018 | $20,420 | $4,320 | $24,740 | $2,534 |
| 2017 | $20,420 | $4,320 | $24,740 | $2,588 |
| 2016 | $18,390 | $4,460 | $22,850 | $2,434 |
| 2015 | $18,390 | $4,460 | $22,850 | $2,362 |
| 2014 | $14,250 | $1,910 | $16,160 | $1,689 |
| 2013 | $6,730 | $1,910 | $8,640 | $985 |
| 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
2012
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,946 sqft
Lot size
6,406 sqft
ZIP code
80504
City
Firestone
Street
Union Ave
Coordinates
40.16337, -104.93313
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 6398 Union Ave last sell?
No public-record sale is on file for 6398 Union Ave.
What is the current tax assessment for 6398 Union Ave?
The most recent total assessment for 6398 Union Ave (year 2025) is $37,140 with $4,166 in property tax.
When was 6398 Union Ave built?
6398 Union Ave was built in 2012.
How does 6398 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 6398 Union Ave?
6398 Union Ave is a 4 bed, 3 bath, 2,946 sqft, 6,406 sqft lot single_family.
Is 6398 Union Ave a flip candidate?
No — 6398 Union Ave does not appear in our flips dataset.
Is 6398 Union Ave a tax-appeal candidate?
No — 6398 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