855 Union Ave
Boulder, CO 80304
6 bd 4 ba 2,328 sqft Built 1960 Lot 14,375 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 |
|---|---|---|---|---|
| 2023 | $9,986 | $89,871 | $99,857 | $7,726 |
| 2022 | $7,497 | $67,473 | $74,970 | $6,316 |
| 2021 | $7,713 | $69,414 | $77,127 | $6,023 |
| 2020 | $13,778 | $55,127 | $68,905 | $5,375 |
| 2019 | $13,778 | $55,127 | $68,905 | $5,293 |
| 2018 | $20,304 | $40,608 | $60,912 | $4,656 |
| 2017 | $20,304 | $40,608 | $60,912 | $4,511 |
| 2016 | $11,359 | $45,452 | $56,811 | $4,228 |
| 2015 | $11,359 | $45,452 | $56,811 | $4,004 |
| 2014 | $30,455 | $15,522 | $45,977 | $3,268 |
| 2013 | $30,455 | $15,522 | $45,977 | $3,196 |
| 2011 | $25,313 | $23,960 | $49,273 | $4,091 |
| 2010 | $25,313 | $23,960 | $49,273 | $4,233 |
| 2009 | $25,313 | $23,960 | $49,273 | $3,953 |
| 2008 | $19,150 | $31,840 | $50,990 | $3,750 |
Property facts
Year built
1960
Property type
single_family
Stories
1
Beds
6
Baths
4
Living area
2,328 sqft
Lot size
14,375 sqft
ZIP code
80304
City
Boulder
Street
Union Ave
Coordinates
40.05331, -105.28648
Comparable properties nearby
Frequently asked questions
When did 855 Union Ave last sell?
No public-record sale is on file for 855 Union Ave.
What is the current tax assessment for 855 Union Ave?
The most recent total assessment for 855 Union Ave (year 2023) is $99,857 with $7,726 in property tax.
When was 855 Union Ave built?
855 Union Ave was built in 1960.
How does 855 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 855 Union Ave?
855 Union Ave is a 6 bed, 4 bath, 2,328 sqft, 14,375 sqft lot single_family.
Is 855 Union Ave a flip candidate?
No — 855 Union Ave does not appear in our flips dataset.
Is 855 Union Ave a tax-appeal candidate?
No — 855 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
+1.2%
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 Union Ave