401 18th St
Boulder, CO 80302
4 bd 3 ba 4,015 sqft Built 2002 Lot 11,326 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 | $112,331 | $73,925 | $186,256 | $17,759 |
| 2024 | $112,331 | $73,925 | $186,256 | $15,738 |
| 2023 | $107,441 | $75,321 | $182,762 | $15,465 |
| 2022 | $104,097 | $61,716 | $165,813 | $15,473 |
| 2021 | $107,093 | $63,492 | $170,585 | $14,758 |
| 2020 | $83,269 | $55,484 | $138,753 | $12,077 |
| 2019 | $83,269 | $55,484 | $138,753 | $11,892 |
| 2018 | $75,809 | $50,544 | $126,353 | $10,954 |
| 2017 | $75,809 | $50,544 | $126,353 | $10,612 |
| 2016 | $59,437 | $40,437 | $99,874 | $8,645 |
| 2015 | $59,437 | $40,437 | $99,874 | $8,186 |
| 2014 | $49,479 | $48,078 | $97,557 | $8,387 |
| 2013 | $49,479 | $48,078 | $97,557 | $8,202 |
| 2011 | $65,750 | $33,671 | $99,421 | $8,255 |
| 2010 | $65,750 | $33,671 | $99,421 | $7,291 |
| 2009 | $65,750 | $33,671 | $99,421 | $6,808 |
| 2008 | $46,800 | $37,810 | $84,610 | $6,223 |
Property facts
Year built
2002
Property type
single_family
Stories
4
Beds
4
Baths
3
Living area
4,015 sqft
Lot size
11,326 sqft
ZIP code
80302
City
Boulder
Street
18th St
Coordinates
39.99752, -105.27029
Comparable properties nearby
Frequently asked questions
When did 401 18th St last sell?
No public-record sale is on file for 401 18th St.
What is the current tax assessment for 401 18th St?
The most recent total assessment for 401 18th St (year 2025) is $186,256 with $17,759 in property tax.
When was 401 18th St built?
401 18th St was built in 2002.
How does 401 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 401 18th St?
401 18th St is a 4 bed, 3 bath, 4,015 sqft, 11,326 sqft lot single_family.
Is 401 18th St a flip candidate?
No — 401 18th St does not appear in our flips dataset.
Is 401 18th St a tax-appeal candidate?
No — 401 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
-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 18th St