2870 18th St
Boulder, CO 80304
4 bd 3 ba 2,225 sqft Built 1955 Lot 8,271 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 | $58,875 | $59,019 | $117,894 | $11,241 |
| 2024 | $58,875 | $59,019 | $117,894 | $11,282 |
| 2023 | $69,573 | $62,498 | $132,071 | $11,087 |
| 2022 | $51,680 | $47,177 | $98,857 | $9,180 |
| 2021 | $53,167 | $48,534 | $101,701 | $8,753 |
| 2020 | $26,205 | $64,565 | $90,770 | $7,901 |
| 2019 | $26,205 | $64,565 | $90,770 | $7,780 |
| 2018 | $42,098 | $38,664 | $80,762 | $7,002 |
| 2017 | $42,098 | $38,664 | $80,762 | $6,782 |
| 2016 | $36,218 | $31,362 | $67,580 | $5,850 |
| 2015 | $36,218 | $31,362 | $67,580 | $5,539 |
| 2014 | $31,991 | $26,427 | $58,418 | $5,022 |
| 2013 | $31,991 | $26,427 | $58,418 | $4,911 |
| 2011 | $27,780 | $21,970 | $49,750 | $4,131 |
| 2010 | $27,780 | $21,970 | $49,750 | $4,287 |
| 2009 | $27,780 | $21,970 | $49,750 | $4,003 |
| 2008 | $34,230 | $23,880 | $58,110 | $4,273 |
Property facts
Year built
1955
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,225 sqft
Lot size
8,271 sqft
ZIP code
80304
City
Boulder
Street
18th St
Coordinates
40.02748, -105.27341
Comparable properties nearby
Frequently asked questions
When did 2870 18th St last sell?
No public-record sale is on file for 2870 18th St.
What is the current tax assessment for 2870 18th St?
The most recent total assessment for 2870 18th St (year 2025) is $117,894 with $11,241 in property tax.
When was 2870 18th St built?
2870 18th St was built in 1955.
How does 2870 18th St compare to others on 18th St?
We track 8 other properties on 18th St. Browse the list under "Other properties on 18th St" to compare beds, baths, and sale history.
What are the property facts for 2870 18th St?
2870 18th St is a 4 bed, 3 bath, 2,225 sqft, 8,271 sqft lot single_family.
Is 2870 18th St a flip candidate?
No — 2870 18th St does not appear in our flips dataset.
Is 2870 18th St a tax-appeal candidate?
No — 2870 18th 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 18th St