2122 Mapleton Ave is a 1,595 square foot house on a 2,738 square foot lot with 3 bedrooms and 1.5 bathrooms. - it last sold on April 26, 1994 for $262,300. Based on Redfin's Boulder data, we estimate the home's value is $1,264,497.
Single-familyProperty Type
1989Year Built
2,738 sq ftLot Size
$793Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,264,497
$1.0M since sold in April 1994$8,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.9% higher than the average sale price ($1.21M) 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
Jan 30, 2025 • Final
Utility
Plumbing
Jun 27, 2022 • Final
Right-of-way
Grading
Plumbing
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
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Good
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Frame Wood
Building Type: Single Family
Property Information
Subdivision Name: MICHAELS SUB
Living Sq. Ft: 1,595
Ground Floor Sq. Ft: 920
Building Sq. Ft: 1,595
Stories Type: 2 Plus
Legal Description: LOT B MICHAEL'S SUBDIVISION
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 200
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 2,738
Legal Lot Number: B
Municipality Name: BOULDER
Acres: 0.0629
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Tax Area: RE2-BLDR-NCWD-UDFC
Public facts
Beds: 3
Baths: 1.5
Sq. Ft.: 1,595
Stories: —
Lot Size: 2,738 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Boulder County
APN: R0108752
Home facts updated by county records on Jun 11, 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 – $1.46M
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