Public Remarks: Charming second story one bedroom Mapleton Hill condo with large south-facing living room and deck. White oak floors, exposed original brick walls, high ceilings, louvered closet doors and ceiling fan in master bedroom. Claw foot tub. Spacious private deck off eat-in kitchen. New interior paint. Move-in condition. Wonderful yard with mature landscaping. SHOWINGS M-F 3-6. WEEKENDS ALL DAY.
CondoProperty Type
1906Year Built
$888Est. Price/Sq.Ft.
Listed by Jane Stebbins• Meridian Properties, Inc.
Bought with Jane Stebbins• Meridian Properties, Inc.
•303-443-2299 (broker)
Source:IRES as Distributed by MLS Grid #329646
Redfin Estimate
$547,099
$210K since sold in December 2019$18K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.9% higher than the average sale price ($480K) of 6 comparable homes.
Charming second story one bedroom Mapleton Hill condo with large south-facing living room and deck. White oak floors, exposed original brick walls, high ceilings, louvered closet doors and ceiling fan in master bedroom. Claw foot tub. Spacious private deck off eat-in kitchen. New interior paint. Move-in condition. Wonderful yard with mature landscaping. SHOWINGS M-F 3-6. WEEKENDS ALL DAY.
IRES as Distributed by MLS Grid #314558
Oct 19, 2001
Listing Removed
—
Aug 13, 2001
Listed
$299,000
$485/sq ft
IRES as Distributed by MLS Grid #304318
Jun 5, 2001
Listing Removed
—
Apr 26, 2001
Listed
$299,000
$485/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$3,304 (+13.4%)
$40,906
2024
$2,914 (+1.8%)
$40,906
2023
$2,864 (−5.9%)
$33,161
2022
$3,042 (+4.9%)
$36,846
2021
$2,901 (−0.8%)
$32,755
2020
$2,924 (+1.6%)
$33,698
2019
$2,879 (+13.7%)
$33,591
2018
$2,531 (+3.2%)
$33,591
2017
$2,452 (−15.8%)
$29,196
2016
$2,912 (+5.6%)
$29,196
2015
$2,758 (+36.0%)
$33,647
2014
$2,028 (+2.2%)
$23,593
2013
$1,984 (+2.4%)
$23,593
2012
$1,937 (+0.9%)
$23,593
2011
$1,920 (−14.0%)
$23,124
2010
$2,233 (+7.1%)
$23,124
2009
$2,085
$27,630
Tax history for 421 Mapleton Ave Unit B
Year
Property tax
Land + Additions
Assessment*
2025
$3,304 (+13.4%)
$40,906
2024
$2,914 (+1.8%)
$40,906
2023
$2,864 (−5.9%)
$33,161
2022
$3,042 (+4.9%)
$36,846
2021
$2,901 (−0.8%)
$32,755
2020
$2,924 (+1.6%)
$33,698
2019
$2,879 (+13.7%)
$33,591
2018
$2,531 (+3.2%)
$33,591
2017
$2,452 (−15.8%)
$29,196
2016
$2,912 (+5.6%)
$29,196
2015
$2,758 (+36.0%)
$33,647
2014
$2,028 (+2.2%)
$23,593
2013
$1,984 (+2.4%)
$23,593
2012
$1,937 (+0.9%)
$23,593
2011
$1,920 (−14.0%)
$23,124
2010
$2,233 (+7.1%)
$23,124
2009
$2,085
$27,630
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RL-1
Residential-Low 1 District
Primarily single-family detached dwelling units with some duplexes and attached dwelling units at low to very low residential densities.
Permitted uses
Include but are not limited to:
Religious facility
Housing-Multiple units
Educational/school
Recreation
Agriculture-Cropland
Park & open space
Property details
Interior
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Hot Water
Room Information
# of Rooms: 3
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Condominium
Construction Type: Masonry
Building Construction Quality: Good
Exterior Wall: Block/Brick
Building Type: Condo Apartment
Property Information
Subdivision Name: MAPLETON AVE CONDO
Living Sq. Ft: 616
Ground Floor Sq. Ft: 616
Building Sq. Ft: 616
# of Stories: 1
Stories Type: 1
Legal Description: UNIT 421B MAPLETON AVENUE CONDOMINIUMS & UND 9.07% INT IN GCE
Lot Information
# of Buildings: 1
Land Sq. Ft: 23,635
Municipality Name: BOULDER
Acres: 0.5426
County Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2025
Tax Area: RE2-BLDR-NCWD-UDFC
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 616
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1906
Year Renovated: 1906
County: Boulder County
APN: R0140900
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Whittier Elementary School
Public K-5 • Assigned • 1.1mi
6/10
Casey Middle School
Public 6-8 • Assigned • 0.6mi
5/10
Boulder High School
Public 9-12 • Assigned • 0.9mi
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)
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
$520,000 – $630,000
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