1070 Union Ave
Boulder, CO 80304
3 bd 2 ba 1,374 sqft Built 1935 Lot 7,004 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 | $6,916 | $62,241 | $69,157 | $6,594 |
| 2024 | $6,916 | $62,241 | $69,157 | $6,482 |
| 2023 | $9,427 | $68,025 | $77,452 | $6,370 |
| 2022 | $5,559 | $50,034 | $55,593 | $5,162 |
| 2021 | $5,719 | $51,474 | $57,193 | $4,922 |
| 2020 | $9,703 | $38,825 | $48,528 | $4,224 |
| 2019 | $9,703 | $38,825 | $48,528 | $4,159 |
| 2018 | $16,070 | $27,072 | $43,142 | $3,740 |
| 2017 | $16,070 | $27,072 | $43,142 | $3,623 |
| 2016 | $8,358 | $33,432 | $41,790 | $4,261 |
| 2015 | $8,358 | $33,432 | $41,790 | $3,425 |
| 2014 | $22,988 | $11,701 | $34,689 | $2,982 |
| 2013 | $22,988 | $11,701 | $34,689 | $2,916 |
| 2011 | $19,104 | $17,512 | $36,616 | $3,040 |
| 2010 | $19,104 | $17,512 | $36,616 | $3,059 |
| 2009 | $19,104 | $17,512 | $36,616 | $2,856 |
| 2008 | $9,600 | $23,880 | $33,480 | $2,462 |
Property facts
Year built
1935
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,374 sqft
Lot size
7,004 sqft
ZIP code
80304
City
Boulder
Street
Union Ave
Coordinates
40.05283, -105.28364
Comparable properties nearby
Frequently asked questions
When did 1070 Union Ave last sell?
No public-record sale is on file for 1070 Union Ave.
What is the current tax assessment for 1070 Union Ave?
The most recent total assessment for 1070 Union Ave (year 2025) is $69,157 with $6,594 in property tax.
When was 1070 Union Ave built?
1070 Union Ave was built in 1935.
How does 1070 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 1070 Union Ave?
1070 Union Ave is a 3 bed, 2 bath, 1,374 sqft, 7,004 sqft lot single_family.
Is 1070 Union Ave a flip candidate?
No — 1070 Union Ave does not appear in our flips dataset.
Is 1070 Union Ave a tax-appeal candidate?
No — 1070 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