3687 Union Ave
Denver, CO 80236
4 bd 4 ba 2,241 sqft Built 1971 townhomes
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 | $21,430 | $2,040 | $23,470 | $2,025 |
| 2024 | $21,430 | $2,040 | $23,470 | $1,913 |
| 2023 | $22,610 | $1,550 | $24,160 | $1,872 |
| 2022 | $18,720 | $1,610 | $20,330 | $1,616 |
| 2021 | $19,260 | $1,660 | $20,920 | $1,561 |
| 2020 | $18,120 | $1,660 | $19,780 | $1,467 |
| 2019 | $18,120 | $1,660 | $19,780 | $1,426 |
| 2018 | $14,090 | $1,530 | $15,620 | $1,208 |
| 2017 | $14,090 | $1,530 | $15,620 | $1,204 |
| 2016 | $9,480 | $1,700 | $11,180 | $911 |
| 2015 | $9,480 | $1,700 | $11,180 | $436 |
| 2014 | $7,720 | $1,080 | $8,800 | $365 |
| 2013 | $7,720 | $1,080 | $8,800 | $365 |
| 2012 | $8,578 | $1,512 | $10,090 | $423 |
| 2010 | $8,578 | $1,512 | $10,090 | $707 |
| 2009 | $9,108 | $1,512 | $10,620 | $691 |
| 2008 | $9,108 | $1,512 | $10,620 | $382 |
| 2007 | $9,928 | $1,512 | $11,440 | $382 |
Property facts
Year built
1971
Property type
townhomes
Stories
2
Beds
4
Baths
4
Living area
2,241 sqft
Lot size
—
ZIP code
80236
City
Denver
Street
Union Ave
Coordinates
39.63320, -105.03579
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 3687 Union Ave last sell?
No public-record sale is on file for 3687 Union Ave.
What is the current tax assessment for 3687 Union Ave?
The most recent total assessment for 3687 Union Ave (year 2025) is $23,470 with $2,025 in property tax.
When was 3687 Union Ave built?
3687 Union Ave was built in 1971.
How does 3687 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 3687 Union Ave?
3687 Union Ave is a 4 bed, 4 bath, 2,241 sqft townhomes.
Is 3687 Union Ave a flip candidate?
No — 3687 Union Ave does not appear in our flips dataset.
Is 3687 Union Ave a tax-appeal candidate?
No — 3687 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