431 Arapahoe Ave
Boulder, CO 80302
4 bd 8 ba 3,837 sqft Built 1910 Lot 9,651 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 | $123,175 | $89,869 | $213,044 | $20,313 |
| 2024 | $123,175 | $89,869 | $213,044 | $20,292 |
| 2023 | $135,039 | $94,282 | $229,321 | $19,485 |
| 2022 | $114,599 | $80,578 | $195,177 | $18,124 |
| 2021 | $117,896 | $82,897 | $200,793 | $17,283 |
| 2020 | $96,003 | $71,786 | $167,789 | $14,605 |
| 2019 | $96,003 | $71,786 | $167,789 | $14,381 |
| 2018 | $92,801 | $61,848 | $154,649 | $13,408 |
| 2017 | $92,801 | $61,848 | $154,649 | $12,988 |
| 2016 | $101,538 | $67,660 | $169,198 | $14,646 |
| 2015 | $101,538 | $67,660 | $169,198 | $13,869 |
| 2014 | $49,264 | $88,356 | $137,620 | $11,832 |
| 2013 | $49,264 | $88,356 | $137,620 | $11,571 |
| 2011 | $69,093 | $43,143 | $112,236 | $9,319 |
| 2010 | $69,093 | $43,143 | $112,236 | $10,166 |
| 2009 | $69,093 | $43,143 | $112,236 | $5,939 |
| 2008 | $39,460 | $45,970 | $85,430 | $6,283 |
Property facts
Year built
1910
Property type
single_family
Stories
—
Beds
4
Baths
8
Living area
3,837 sqft
Lot size
9,651 sqft
ZIP code
80302
City
Boulder
Street
Arapahoe Ave
Coordinates
40.01321, -105.29081
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 431 Arapahoe Ave last sell?
No public-record sale is on file for 431 Arapahoe Ave.
What is the current tax assessment for 431 Arapahoe Ave?
The most recent total assessment for 431 Arapahoe Ave (year 2025) is $213,044 with $20,313 in property tax.
When was 431 Arapahoe Ave built?
431 Arapahoe Ave was built in 1910.
How does 431 Arapahoe Ave compare to others on Arapahoe Ave?
We track 8 other properties on Arapahoe Ave. Browse the list under "Other properties on Arapahoe Ave" to compare beds, baths, and sale history.
What are the property facts for 431 Arapahoe Ave?
431 Arapahoe Ave is a 4 bed, 8 bath, 3,837 sqft, 9,651 sqft lot single_family.
Is 431 Arapahoe Ave a flip candidate?
No — 431 Arapahoe Ave does not appear in our flips dataset.
Is 431 Arapahoe Ave a tax-appeal candidate?
No — 431 Arapahoe 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 Arapahoe Ave