3440 23rd St
Boulder, CO 80304
4 bd 4 ba 2,289 sqft Built 2003 Lot 6,675 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 | $37,213 | $28,344 | $65,557 | $6,250 |
| 2024 | $37,213 | $28,344 | $65,557 | $6,157 |
| 2023 | $43,919 | $29,828 | $73,747 | $6,050 |
| 2022 | $32,491 | $24,311 | $56,802 | $5,274 |
| 2021 | $33,426 | $25,011 | $58,437 | $5,029 |
| 2020 | $31,246 | $23,095 | $54,341 | $4,730 |
| 2019 | $31,246 | $23,095 | $54,341 | $4,657 |
| 2018 | $20,729 | $22,248 | $42,977 | $3,726 |
| 2017 | $20,729 | $22,248 | $42,977 | $3,609 |
| 2016 | $19,693 | $20,298 | $39,991 | $3,461 |
| 2015 | $19,693 | $20,298 | $39,991 | $3,278 |
| 2014 | $18,483 | $12,418 | $30,901 | $2,656 |
| 2013 | $18,483 | $12,418 | $30,901 | $2,598 |
| 2011 | $19,502 | $12,418 | $31,920 | $2,650 |
| 2010 | $19,502 | $12,418 | $31,920 | $3,088 |
| 2009 | $19,502 | $12,418 | $31,920 | $2,883 |
| 2008 | $18,120 | $19,900 | $38,020 | $2,796 |
Property facts
Year built
2003
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
2,289 sqft
Lot size
6,675 sqft
ZIP code
80304
City
Boulder
Street
23rd St
Coordinates
40.03663, -105.26575
Comparable properties nearby
Frequently asked questions
When did 3440 23rd St last sell?
No public-record sale is on file for 3440 23rd St.
What is the current tax assessment for 3440 23rd St?
The most recent total assessment for 3440 23rd St (year 2025) is $65,557 with $6,250 in property tax.
When was 3440 23rd St built?
3440 23rd St was built in 2003.
How does 3440 23rd St compare to others on 23rd St?
We track 8 other properties on 23rd St. Browse the list under "Other properties on 23rd St" to compare beds, baths, and sale history.
What are the property facts for 3440 23rd St?
3440 23rd St is a 4 bed, 4 bath, 2,289 sqft, 6,675 sqft lot single_family.
Is 3440 23rd St a flip candidate?
No — 3440 23rd St does not appear in our flips dataset.
Is 3440 23rd St a tax-appeal candidate?
No — 3440 23rd 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 23rd St