3131 4th St
Boulder, CO 80304
3 bd 2 ba 1,854 sqft Built 1950 Lot 6,349 sqft single_family
Most recent sale
$1,800,000
Apr 9, 2024
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 9, 2024 | Sold | $1,800,000 | IRES |
| Mar 15, 2024 | Listing removed | — | REcolorado |
| Mar 15, 2024 | Price changed | $1,800,000 | IRES |
| Mar 7, 2024 | Listed | $1,875,000 | REcolorado |
| Feb 11, 2024 | Listed | $1,875,000 | IRES |
| Dec 12, 2023 | Listing removed | $1,925,000 | IRES |
| Oct 23, 2023 | Price changed | $1,925,000 | IRES |
| Sep 13, 2023 | Price changed | $2,000,000 | IRES |
| Jul 25, 2023 | Listed | $2,100,000 | IRES |
| Nov 3, 2017 | Sold | $1,195,000 | IRES |
| Oct 6, 2017 | Listed | $1,195,000 | IRES |
| Apr 29, 2011 | Sold | $540,000 | IRES |
| Dec 14, 2010 | Listed | $549,000 | IRES |
| Jul 12, 2010 | Listing removed | $599,900 | IRES |
| Jun 25, 2010 | Listed | $599,900 | IRES |
| Jun 25, 2010 | Listing removed | $599,900 | IRES |
| May 27, 2010 | Relisted | $599,900 | IRES |
| Dec 13, 2009 | Listing removed | $599,900 | IRES |
| Dec 6, 2009 | Listed | $599,900 | IRES |
| Oct 2, 1990 | Sold | $132,900 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $9,207 | $82,862 | $92,069 | $8,778 |
| 2024 | $9,207 | $82,862 | $92,069 | $8,836 |
| 2023 | $10,423 | $93,809 | $104,232 | $8,683 |
| 2022 | $10,779 | $68,777 | $79,556 | $7,387 |
| 2021 | $11,090 | $70,756 | $81,846 | $7,044 |
| 2020 | $30,316 | $57,272 | $87,588 | $7,624 |
| 2019 | $30,316 | $57,272 | $87,588 | $7,507 |
| 2018 | $12,262 | $49,032 | $61,294 | $5,314 |
| 2017 | $12,262 | $49,032 | $61,294 | $5,147 |
| 2016 | $19,860 | $41,790 | $61,650 | $5,336 |
| 2015 | $19,860 | $41,790 | $61,650 | $5,053 |
| 2014 | $27,812 | $21,333 | $49,145 | $4,225 |
| 2013 | $27,812 | $21,333 | $49,145 | $4,132 |
| 2011 | $13,054 | $29,611 | $42,665 | $3,542 |
| 2010 | $13,054 | $29,611 | $42,665 | $3,593 |
| 2009 | $13,054 | $29,611 | $42,665 | $3,355 |
| 2008 | $10,650 | $35,820 | $46,470 | $3,417 |
| 2007 | — | — | $46,470 | $3,301 |
Property facts
Year built
1950
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,854 sqft
Lot size
6,349 sqft
ZIP code
80304
City
Boulder
Street
4th St
Coordinates
40.03162, -105.29186
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$10,800
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 3131 4th St last sell?
3131 4th St most recently sold on Apr 9, 2024 for $1,800,000.
What is the current tax assessment for 3131 4th St?
The most recent total assessment for 3131 4th St (year 2025) is $92,069 with $8,778 in property tax.
How does 3131 4th St's assessment compare to its last sale price?
The current assessment is 94.9% below the last sale price of $1,800,000.
When was 3131 4th St built?
3131 4th St was built in 1950.
How does 3131 4th St compare to others on 4th St?
We track 8 other properties on 4th St. Browse the list under "Other properties on 4th St" to compare beds, baths, and sale history.
What are the property facts for 3131 4th St?
3131 4th St is a 3 bed, 2 bath, 1,854 sqft, 6,349 sqft lot single_family.
Is 3131 4th St a flip candidate?
No — 3131 4th St does not appear in our flips dataset.
Is 3131 4th St a tax-appeal candidate?
No — 3131 4th 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
+1.2%
Implied 1-yr
+5.0%
2026 Q3
$2.17M
2026 Q4
$2.2M
ZIP 80304 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 4th St