90 31st St
Boulder, CO 80305
3 bd 1 ba 1,160 sqft Built 1955 Lot 7,253 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 | $20,781 | $29,013 | $49,794 | $4,747 |
| 2024 | $20,781 | $29,013 | $49,794 | $4,724 |
| 2023 | $23,316 | $34,130 | $57,446 | $4,642 |
| 2022 | $18,682 | $25,847 | $44,529 | $4,210 |
| 2021 | $19,219 | $26,591 | $45,810 | $4,018 |
| 2020 | $12,541 | $25,597 | $38,138 | $3,319 |
| 2019 | $12,541 | $25,597 | $38,138 | $3,268 |
| 2018 | $11,542 | $23,616 | $35,158 | $3,048 |
| 2017 | $11,542 | $23,616 | $35,158 | $2,952 |
| 2016 | $15,036 | $16,398 | $31,434 | $2,721 |
| 2015 | $15,036 | $16,398 | $31,434 | $2,576 |
| 2014 | $12,648 | $13,293 | $25,941 | $2,230 |
| 2013 | $12,648 | $13,293 | $25,941 | $2,181 |
| 2011 | $9,313 | $15,363 | $24,676 | $2,048 |
| 2010 | $9,313 | $15,363 | $24,676 | $1,896 |
| 2009 | $9,313 | $15,363 | $24,676 | $1,771 |
| 2008 | $10,600 | $15,920 | $26,520 | $1,950 |
Property facts
Year built
1955
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,160 sqft
Lot size
7,253 sqft
ZIP code
80305
City
Boulder
Street
31st St
Coordinates
39.99170, -105.25560
Comparable properties nearby
Frequently asked questions
When did 90 31st St last sell?
No public-record sale is on file for 90 31st St.
What is the current tax assessment for 90 31st St?
The most recent total assessment for 90 31st St (year 2025) is $49,794 with $4,747 in property tax.
When was 90 31st St built?
90 31st St was built in 1955.
How does 90 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 90 31st St?
90 31st St is a 3 bed, 1 bath, 1,160 sqft, 7,253 sqft lot single_family.
Is 90 31st St a flip candidate?
No — 90 31st St does not appear in our flips dataset.
Is 90 31st St a tax-appeal candidate?
No — 90 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