1427 Mapleton Ave
Boulder, CO 80304
6 bd 5 ba 3,630 sqft Built 1956 Lot 5,133 sqft multi_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 | $55,600 | $50,988 | $106,588 | $10,566 |
| 2024 | $55,600 | $50,988 | $106,588 | $11,228 |
| 2023 | $72,300 | $54,659 | $126,959 | $11,020 |
| 2022 | $50,660 | $34,000 | $84,660 | $8,236 |
| 2021 | $53,268 | $35,750 | $89,018 | $8,037 |
| 2020 | $47,762 | $35,893 | $83,655 | $7,281 |
| 2019 | $47,762 | $35,893 | $83,655 | $7,170 |
| 2018 | $42,696 | $33,048 | $75,744 | $6,567 |
| 2017 | $42,696 | $33,048 | $75,744 | $6,361 |
| 2016 | $48,341 | $25,074 | $73,415 | $6,355 |
| 2015 | $48,341 | $25,074 | $73,415 | $6,017 |
| 2014 | $40,182 | $29,770 | $69,952 | $6,014 |
| 2013 | $40,182 | $29,770 | $69,952 | $5,881 |
| 2011 | $25,870 | $33,830 | $59,700 | $4,957 |
| 2010 | $25,870 | $33,830 | $59,700 | $4,760 |
| 2009 | $59,700 | $33,830 | $93,530 | $4,445 |
| 2008 | $39,000 | $19,900 | $58,900 | $4,332 |
Property facts
Year built
1956
Property type
multi_family
Stories
1
Beds
6
Baths
5
Living area
3,630 sqft
Lot size
5,133 sqft
ZIP code
80304
City
Boulder
Street
Mapleton Ave
Coordinates
40.02178, -105.27774
Comparable properties nearby
Frequently asked questions
When did 1427 Mapleton Ave last sell?
No public-record sale is on file for 1427 Mapleton Ave.
What is the current tax assessment for 1427 Mapleton Ave?
The most recent total assessment for 1427 Mapleton Ave (year 2025) is $106,588 with $10,566 in property tax.
When was 1427 Mapleton Ave built?
1427 Mapleton Ave was built in 1956.
How does 1427 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 1427 Mapleton Ave?
1427 Mapleton Ave is a 6 bed, 5 bath, 3,630 sqft, 5,133 sqft lot multi_family.
Is 1427 Mapleton Ave a flip candidate?
No — 1427 Mapleton Ave does not appear in our flips dataset.
Is 1427 Mapleton Ave a tax-appeal candidate?
No — 1427 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
+1.7%
Implied 1-yr
+6.8%
2026 Q3
$1.79M
2026 Q4
$1.81M
ZIP 80304 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mapleton Ave