2420 Mapleton Ave is a 1,086 square foot house on a 3,664 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on April 20, 1990 for $72,100. Based on Redfin's Boulder data, we estimate the home's value is $839,829.
Single-familyProperty Type
1900Year Built
3,664 sq ftLot Size
$773Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$839,829
$768K since sold in April 1990$3,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 21.4% lower than the average sale price ($1.07M) of 5 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
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 5
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: MAPLETON VALE
Living Sq. Ft: 1,086
Ground Floor Sq. Ft: 876
Building Sq. Ft: 1,086
Stories Type: 2 Plus
Legal Description: LOT 1 MAPLETON VALE
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,664
Legal Lot Number: 1
Municipality Name: BOULDER
Acres: 0.0841
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Tax Area: RE2-BLDR-NCWD-UDFC
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,086
Stories: —
Lot Size: 3,664 square feet
Style: Single Family Residential
Year Built: 1900
Year Renovated: 1970
County: Boulder County
APN: R0003641
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Whittier Elementary School
Public K-5 • Assigned • 0.3mi
6/10
Casey Middle School
Public 6-8 • Assigned • 0.8mi
5/10
Boulder High School
Public 9-12 • Assigned • 1.0mi
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
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 91° 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
90
64
84
60
76
53
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
$798,000 – $966,000
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