850 20th St
Boulder, CO 80302
1 bd 1 ba 571 sqft Built 1967 condo_townhome_rowhome_coop
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 | $21,600 | — | $21,600 | $2,140 |
| 2024 | $21,600 | — | $21,600 | $1,702 |
| 2023 | $22,157 | — | $22,157 | $1,595 |
| 2022 | $20,572 | — | $20,572 | $1,910 |
| 2021 | $21,164 | — | $21,164 | $1,821 |
| 2020 | $19,991 | — | $19,991 | $1,740 |
| 2019 | $19,991 | — | $19,991 | $1,713 |
| 2018 | $18,187 | — | $18,187 | $1,576 |
| 2017 | $18,187 | — | $18,187 | $1,527 |
| 2016 | $13,476 | — | $13,476 | $1,166 |
| 2015 | $13,476 | — | $13,476 | $1,104 |
| 2014 | $13,134 | — | $13,134 | $1,129 |
| 2013 | $13,134 | — | $13,134 | $1,104 |
| 2011 | $12,179 | — | $12,179 | $1,011 |
| 2010 | $12,179 | — | $12,179 | $1,042 |
| 2009 | $12,179 | — | $12,179 | $973 |
| 2008 | $12,010 | — | $12,010 | $883 |
Property facts
Year built
1967
Property type
condo_townhome_rowhome_coop
Stories
1
Beds
1
Baths
1
Living area
571 sqft
Lot size
—
ZIP code
80302
City
Boulder
Street
20th St
Coordinates
40.00288, -105.26734
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 850 20th St last sell?
No public-record sale is on file for 850 20th St.
What is the current tax assessment for 850 20th St?
The most recent total assessment for 850 20th St (year 2025) is $21,600 with $2,140 in property tax.
When was 850 20th St built?
850 20th St was built in 1967.
How does 850 20th St compare to others on 20th St?
We track 8 other properties on 20th St. Browse the list under "Other properties on 20th St" to compare beds, baths, and sale history.
What are the property facts for 850 20th St?
850 20th St is a 1 bed, 1 bath, 571 sqft condo_townhome_rowhome_coop.
Is 850 20th St a flip candidate?
No — 850 20th St does not appear in our flips dataset.
Is 850 20th St a tax-appeal candidate?
No — 850 20th St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.3%
Implied 1-yr
-1.2%
2026 Q3
$1.68M
2026 Q4
$1.67M
ZIP 80302 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 20th St