2129 Mapleton Ave is a 1,767 square foot house on a 7,189 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on April 28, 1992 for $120,000. Based on Redfin's Boulder data, we estimate the home's value is $1,257,856.
Single-familyProperty Type
1889Year Built
7,189 sq ftLot Size
$712Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,257,856
$1.1M since sold in April 1992$12K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.2% lower than the average sale price ($1.33M) 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
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
Property details
Interior
Bathroom Information
# of Full Baths: 1
# of 3/4 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Frame Wood
Roof Covering Type: Asphalt
Roof Shape Type: Asphalt
Building Type: Single Family
Property Information
Subdivision Name: BOULDER O T EAST & WEST & NORTH
Living Sq. Ft: 1,767
Ground Floor Sq. Ft: 1,650
Building Sq. Ft: 1,767
Stories Type: 2 Plus
Legal Description: LOT 10 BLK 182 & PT VACATED ST ADJ BOULDER EAST
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,189
Legal Lot Number: 10
Legal Block Number: 182
Municipality Name: BOULDER
Acres: 0.165
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Tax Area: RE2-BLDR-NCWD-UDFC
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,767
Stories: —
Lot Size: 7,189 square feet
Style: Single Family Residential
Year Built: 1889
Year Renovated: 1975
County: Boulder County
APN: R0004164
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Whittier Elementary School
Public K-5 • Assigned • 0.1mi
6/10
Casey Middle School
Public 6-8 • Assigned • 0.6mi
5/10
Boulder High School
Public 9-12 • Assigned • 0.8mi
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
1% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 90° expected this year, 18 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)
44
22
51
29
63
40
64
40
70
47
83
57
86
62
84
60
79
54
67
45
54
33
53
33
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.5 hours in
June and 6 hours in December, placing it above the
U.S. average for solar exposure.
10.5 hrs
6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.20M – $1.45M
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