311 Mapleton Ave
Boulder, CO 80304
64 bd 43 ba 248,395 sqft Built 2022 Lot 682,830 sqft other
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 | $3,685,562 | $5,205,000 | $8,890,562 | $3,101,103 |
| 2024 | $3,685,562 | $5,205,000 | $8,890,562 | $2,847,713 |
| 2023 | $3,473,630 | $1,554,750 | $5,028,380 | $2,696,543 |
| 2022 | $925,315 | $1,217,200 | $2,142,515 | $198,962 |
| 2021 | $496,915 | $1,279,850 | $1,776,765 | $152,935 |
| 2020 | $382,124 | $2,270,535 | $2,652,659 | $230,900 |
Property facts
Year built
2022
Property type
other
Stories
3
Beds
64
Baths
43
Living area
248,395 sqft
Lot size
682,830 sqft
ZIP code
80304
City
Boulder
Street
Mapleton Ave
Coordinates
40.02230, -105.29300
Frequently asked questions
When did 311 Mapleton Ave last sell?
No public-record sale is on file for 311 Mapleton Ave.
What is the current tax assessment for 311 Mapleton Ave?
The most recent total assessment for 311 Mapleton Ave (year 2025) is $8,890,562 with $3,101,103 in property tax.
When was 311 Mapleton Ave built?
311 Mapleton Ave was built in 2022.
How does 311 Mapleton Ave compare to others on Mapleton Ave?
We track 8 other properties on Mapleton Ave. Browse the list under "Other properties on Mapleton Ave" to compare beds, baths, and sale history.
What are the property facts for 311 Mapleton Ave?
311 Mapleton Ave is a 64 bed, 43 bath, 248,395 sqft, 682,830 sqft lot other.
Is 311 Mapleton Ave a flip candidate?
No — 311 Mapleton Ave does not appear in our flips dataset.
Is 311 Mapleton Ave a tax-appeal candidate?
No — 311 Mapleton 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
+5.1%
Implied 1-yr
+20.2%
2026 Q3
$2.3M
2026 Q4
$2.39M
ZIP 80304 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mapleton Ave