1838 Mariposa Ave
Boulder, CO 80302
6 bd 6 ba 4,220 sqft Built 1998 Lot 10,289 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 | $95,881 | $70,694 | $166,575 | $15,882 |
| 2024 | $95,881 | $70,694 | $166,575 | $14,184 |
| 2023 | $94,162 | $70,926 | $165,088 | $13,938 |
| 2022 | $79,883 | $58,401 | $138,284 | $12,841 |
| 2021 | $82,182 | $60,081 | $142,263 | $12,245 |
| 2020 | $63,564 | $50,837 | $114,401 | $9,958 |
| 2019 | $63,564 | $50,837 | $114,401 | $9,805 |
| 2018 | $56,736 | $45,864 | $102,600 | $8,895 |
| 2017 | $56,736 | $45,864 | $102,600 | $8,617 |
| 2016 | $56,946 | $38,924 | $95,870 | $8,298 |
| 2015 | $56,946 | $38,924 | $95,870 | $7,858 |
| 2014 | $42,188 | $31,840 | $74,028 | $6,364 |
| 2013 | $42,188 | $31,840 | $74,028 | $6,224 |
| 2011 | $46,486 | $32,477 | $78,963 | $6,556 |
| 2010 | $46,486 | $32,477 | $78,963 | $6,263 |
| 2009 | $46,486 | $32,477 | $78,963 | $5,848 |
| 2008 | $36,080 | $37,810 | $73,890 | $5,434 |
Property facts
Year built
1998
Property type
single_family
Stories
—
Beds
6
Baths
6
Living area
4,220 sqft
Lot size
10,289 sqft
ZIP code
80302
City
Boulder
Street
Mariposa Ave
Coordinates
39.99793, -105.26904
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 1838 Mariposa Ave last sell?
No public-record sale is on file for 1838 Mariposa Ave.
What is the current tax assessment for 1838 Mariposa Ave?
The most recent total assessment for 1838 Mariposa Ave (year 2025) is $166,575 with $15,882 in property tax.
When was 1838 Mariposa Ave built?
1838 Mariposa Ave was built in 1998.
How does 1838 Mariposa Ave compare to others on Mariposa Ave?
We track 8 other properties on Mariposa Ave. Browse the list under "Other properties on Mariposa Ave" to compare beds, baths, and sale history.
What are the property facts for 1838 Mariposa Ave?
1838 Mariposa Ave is a 6 bed, 6 bath, 4,220 sqft, 10,289 sqft lot single_family.
Is 1838 Mariposa Ave a flip candidate?
No — 1838 Mariposa Ave does not appear in our flips dataset.
Is 1838 Mariposa Ave a tax-appeal candidate?
No — 1838 Mariposa Ave 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 Mariposa Ave