850 20th St
Boulder, CO 80302
1 bd 1 ba 672 sqft Built 1967 condos
Most recent sale
$375,000
Mar 18, 2024
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jun 9, 2025 | Listed | $500,000 | REcolorado |
| Nov 15, 2024 | Price changed | $509,000 | REcolorado |
| Oct 31, 2024 | Listed | $529,000 | REcolorado |
| Mar 18, 2024 | Sold | $375,000 | Public Record |
| Mar 15, 2024 | Listing removed | — | REcolorado |
| Mar 15, 2024 | Sold | $375,000 | IRES |
| Mar 7, 2024 | Listed | $400,000 | REcolorado |
| Jan 27, 2024 | Listed | $400,000 | IRES |
| Sep 17, 1982 | Sold | $55,000 | Public Record |
| Aug 3, 1979 | Sold | $47,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $25,025 | — | $25,025 | $2,386 |
| 2024 | $25,025 | — | $25,025 | $1,981 |
| 2023 | $26,234 | — | $26,234 | $1,368 |
| 2022 | $23,957 | — | $23,957 | $1,579 |
| 2021 | $24,646 | — | $24,646 | $1,505 |
| 2020 | $21,715 | — | $21,715 | $1,267 |
| 2019 | $21,715 | — | $21,715 | $1,248 |
| 2018 | $19,843 | — | $19,843 | $1,096 |
| 2017 | $19,843 | — | $19,843 | $1,061 |
| 2016 | $14,169 | — | $14,169 | $613 |
| 2015 | $14,169 | — | $14,169 | $580 |
| 2014 | $15,124 | — | $15,124 | $650 |
| 2013 | $15,124 | — | $15,124 | $635 |
| 2011 | $13,890 | — | $13,890 | $1,153 |
| 2010 | $13,890 | — | $13,890 | $1,168 |
| 2009 | $13,890 | — | $13,890 | $1,091 |
| 2008 | $14,160 | — | $14,160 | $520 |
| 2007 | — | — | $14,161 | $502 |
Property facts
Year built
1967
Property type
condos
Stories
1
Beds
1
Baths
1
Living area
672 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 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$1,411
Gross rental yield
4.52%
Implied cap rate
2.93%
Trend-extrapolated value
—
Frequently asked questions
When did 850 20th St last sell?
850 20th St most recently sold on Mar 18, 2024 for $375,000.
What is the current tax assessment for 850 20th St?
The most recent total assessment for 850 20th St (year 2025) is $25,025 with $2,386 in property tax.
How does 850 20th St's assessment compare to its last sale price?
The current assessment is 93.3% below the last sale price of $375,000.
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, 672 sqft condos.
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