1528 Mapleton Ave is a 2,641 square foot property on a 7,073 square foot lot with 6 bedrooms and 3 bathrooms. - it last sold on September 24, 2014 for $1,200,000. Based on Redfin's Boulder data, we estimate the home's value is $2,095,017.
1919Year Built
7,073 sq ftLot Size
$793Est. Price/Sq.Ft.
Listed by John Hoeffler• Coldwell Banker Moore & Co-Pea
Bought with John Hoeffler• Coldwell Banker Moore & Co-Pea
•303-444-7800 (broker)
•grc@coldwellbanker.com (broker)
Source:IRES as Distributed by MLS Grid #193604
Redfin Estimate
$2,095,017
$895K since sold in September 2014
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.4% lower than the average sale price ($2.12M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RMX-1
Residential-Mixed 1 District
Mixed density residential areas with a variety of single-family, detached, duplexes, and multi-family units that will be maintained; and where existing structures may be renovated or rehabilitated.
Permitted uses
Include but are not limited to:
Religious facility
Housing-Single unit
Housing-Multiple units
Educational/school
Recreation
Agriculture-Cropland
Park & open space
Feb 24, 2021 • Final
Electrical / photovoltaic solar
Electrical
Solar
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Basement Information
Basement Sq. Ft: 1,101
Basement Finish: Finished
Basement Type: Walk Out
Bathroom Information
# of Full Baths: 2
# of 3/4 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Construction Type: Masonry
Building Construction Quality: Good
Exterior Wall: Stone
Roof Covering Type: Asphalt
Roof Shape Type: Asphalt
Building Type: Duplex/Triplex
Property Information
Subdivision Name: BOULDER O T EAST & WEST & NORTH
Living Sq. Ft: 2,641
Ground Floor Sq. Ft: 1,101
Building Sq. Ft: 2,916
Stories Type: 2 Plus
Legal Description: LOT 3 & 10 FT STRP ADJ BLK 146 BOULDER O T
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,073
Legal Lot Number: 3
Legal Block Number: 146
Municipality Name: BOULDER
Acres: 0.1624
County Use Description: DUPLEX/TRIPLEX
Financial
Assessor Information
Assessment Year: 2025
Tax Area: RE2-BLDR-NCWD-UDFC
Public facts
Beds: 6
Baths: 3.0
Sq. Ft.: 2,641
Stories: —
Lot Size: 7,073 square feet
Style: Other
Year Built: 1919
Year Renovated: 1975
County: Boulder County
APN: R0006990
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Whittier Elementary School
Public K-5 • Assigned • 0.4mi
6/10
Casey Middle School
Public 6-8 • Assigned • 0.2mi
5/10
Boulder High School
Public 9-12 • Assigned • 0.6mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 90° expected this year, 19 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
2/10 Air Factor
2 unhealthy days expected this year, 2 days in 30 years
Provided by First Street
Historical weather
Boulder, CO • 80304
Average low and high temperatures (°F)
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29
63
40
64
40
70
47
83
57
90
64
84
60
76
53
67
45
54
33
53
33
Jan
Feb
Mar
Apr
May
Jun
Jul
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Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.
Provided by Shadowmap
Estimated sale price
$1.99M – $2.41M
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