2123 4th St
Boulder, CO 80302
3 bd 4 ba 3,431 sqft Built 1925 Lot 17,424 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 | $57,106 | $156,981 | $214,087 | $20,493 |
| 2024 | $57,106 | $156,981 | $214,087 | $20,273 |
| 2023 | $73,559 | $159,916 | $233,475 | $19,919 |
| 2022 | $70,487 | $120,652 | $191,139 | $17,824 |
| 2021 | $72,515 | $124,124 | $196,639 | $16,925 |
| 2020 | $49,178 | $116,760 | $165,938 | $14,444 |
| 2019 | $49,178 | $116,760 | $165,938 | $14,223 |
| 2018 | $48,161 | $105,336 | $153,497 | $13,308 |
| 2017 | $48,161 | $105,336 | $153,497 | $12,891 |
| 2016 | $39,513 | $93,371 | $132,884 | $11,503 |
| 2015 | $39,513 | $93,371 | $132,884 | $10,892 |
| 2014 | $51,103 | $53,730 | $104,833 | $9,013 |
| 2013 | $51,103 | $53,730 | $104,833 | $8,814 |
| 2011 | $59,063 | $47,680 | $106,743 | $8,863 |
| 2010 | $59,063 | $47,680 | $106,743 | $9,393 |
| 2009 | $59,063 | $47,680 | $106,743 | $8,771 |
| 2008 | $56,440 | $51,740 | $108,180 | $7,956 |
Property facts
Year built
1925
Property type
single_family
Stories
3
Beds
3
Baths
4
Living area
3,431 sqft
Lot size
17,424 sqft
ZIP code
80302
City
Boulder
Street
4th St
Coordinates
40.01768, -105.29186
Comparable properties nearby
Frequently asked questions
When did 2123 4th St last sell?
No public-record sale is on file for 2123 4th St.
What is the current tax assessment for 2123 4th St?
The most recent total assessment for 2123 4th St (year 2025) is $214,087 with $20,493 in property tax.
When was 2123 4th St built?
2123 4th St was built in 1925.
How does 2123 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 2123 4th St?
2123 4th St is a 3 bed, 4 bath, 3,431 sqft, 17,424 sqft lot single_family.
Is 2123 4th St a flip candidate?
No — 2123 4th St does not appear in our flips dataset.
Is 2123 4th St a tax-appeal candidate?
No — 2123 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
-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 4th St