3170 18th St
Boulder, CO 80304
3 bd 2 ba 1,305 sqft Built 1957 Lot 6,970 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 | $11,875 | $47,500 | $59,375 | $5,742 |
| 2024 | $11,875 | $47,500 | $59,375 | $6,214 |
| 2023 | $15,497 | $58,002 | $73,499 | $6,104 |
| 2022 | $9,320 | $43,778 | $53,098 | $5,005 |
| 2021 | $9,588 | $45,038 | $54,626 | $4,776 |
| 2020 | $10,089 | $40,326 | $50,415 | $4,388 |
| 2019 | $10,089 | $40,326 | $50,415 | $4,321 |
| 2018 | $8,726 | $34,920 | $43,646 | $3,784 |
| 2017 | $8,726 | $34,920 | $43,646 | $3,665 |
| 2016 | $14,121 | $29,134 | $43,255 | $3,055 |
| 2015 | $14,121 | $29,134 | $43,255 | $2,893 |
| 2014 | $17,106 | $17,592 | $34,698 | $2,298 |
| 2013 | $17,106 | $17,592 | $34,698 | $2,248 |
| 2011 | $14,089 | $20,378 | $34,467 | $2,861 |
| 2010 | $14,089 | $20,378 | $34,467 | $2,991 |
| 2009 | $14,089 | $20,378 | $34,467 | $2,793 |
| 2008 | $10,350 | $23,880 | $34,230 | $1,932 |
Property facts
Year built
1957
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,305 sqft
Lot size
6,970 sqft
ZIP code
80304
City
Boulder
Street
18th St
Coordinates
40.03221, -105.27390
Comparable properties nearby
Frequently asked questions
When did 3170 18th St last sell?
No public-record sale is on file for 3170 18th St.
What is the current tax assessment for 3170 18th St?
The most recent total assessment for 3170 18th St (year 2025) is $59,375 with $5,742 in property tax.
When was 3170 18th St built?
3170 18th St was built in 1957.
How does 3170 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 3170 18th St?
3170 18th St is a 3 bed, 2 bath, 1,305 sqft, 6,970 sqft lot single_family.
Is 3170 18th St a flip candidate?
No — 3170 18th St does not appear in our flips dataset.
Is 3170 18th St a tax-appeal candidate?
No — 3170 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