120 31st St
Boulder, CO 80305
3 bd 1 ba 1,296 sqft Built 1955 Lot 7,378 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 | $17,150 | $29,263 | $46,413 | $4,425 |
| 2024 | $17,150 | $29,263 | $46,413 | $4,354 |
| 2023 | $18,814 | $34,418 | $53,232 | $4,278 |
| 2022 | $16,269 | $26,069 | $42,338 | $3,931 |
| 2021 | $16,737 | $26,820 | $43,557 | $3,749 |
| 2020 | $14,286 | $25,812 | $40,098 | $3,490 |
| 2019 | $14,286 | $25,812 | $40,098 | $3,436 |
| 2018 | $13,629 | $23,760 | $37,389 | $3,241 |
| 2017 | $13,629 | $23,760 | $37,389 | $3,140 |
| 2016 | $16,621 | $16,557 | $33,178 | $2,872 |
| 2015 | $16,621 | $16,557 | $33,178 | $2,719 |
| 2014 | $12,099 | $15,522 | $27,621 | $2,374 |
| 2013 | $12,099 | $15,522 | $27,621 | $2,322 |
| 2011 | $10,507 | $15,522 | $26,029 | $2,161 |
| 2010 | $10,507 | $15,522 | $26,029 | $2,017 |
| 2009 | $10,507 | $15,522 | $26,029 | $1,883 |
| 2008 | $13,980 | $15,920 | $29,900 | $2,199 |
Property facts
Year built
1955
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,296 sqft
Lot size
7,378 sqft
ZIP code
80305
City
Boulder
Street
31st St
Coordinates
39.99115, -105.25560
Comparable properties nearby
Frequently asked questions
When did 120 31st St last sell?
No public-record sale is on file for 120 31st St.
What is the current tax assessment for 120 31st St?
The most recent total assessment for 120 31st St (year 2025) is $46,413 with $4,425 in property tax.
When was 120 31st St built?
120 31st St was built in 1955.
How does 120 31st St compare to others on 31st St?
We track 8 other properties on 31st St. Browse the list under "Other properties on 31st St" to compare beds, baths, and sale history.
What are the property facts for 120 31st St?
120 31st St is a 3 bed, 1 bath, 1,296 sqft, 7,378 sqft lot single_family.
Is 120 31st St a flip candidate?
No — 120 31st St does not appear in our flips dataset.
Is 120 31st St a tax-appeal candidate?
No — 120 31st 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
-0.2%
Implied 1-yr
-0.8%
2026 Q3
$1.2M
2026 Q4
$1.2M
ZIP 80305 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 31st St