Google street view image for 2145 Mapleton Ave, Boulder, CO 80304

Off market jun 2017 for $354K

—

Est. refi paymentEst. refi $2,485/mo

•

3 ba

•

2,450

sq ft

2145 Mapleton Ave, Boulder, CO 80304

About this home

2145 Mapleton Ave is a 2,450 square foot property on a 7,826 square foot lot with 5 bedrooms and 3 bathrooms. - it last sold on June 13, 2017 for $354,368.

1898Year Built

7,826 sq ftLot Size

$145Price/Sq.Ft.

Source:Public Records

Redfin Estimate

Unfortunately, we don't have enough data to generate an accurate Estimate at this time.

Market trends in 80304, CO

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

97.3%

+0.1% MoM

Median sale price

$1.5M

$2K MoM

Avg. days on market

72d

9 days MoM

Recently sold homes

120

8 MoM

New listings for sale

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$1,100,000
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$1,700,000
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See all

Provided by Redfin

Sale history for 2145 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$9,994 (−2.1%)

$69,706 + $33,419

$103,125

2024

$10,205 (+1.8%)

$69,706 + $33,419

$103,125

2023

$10,023 (+0.2%)

$71,040 + $43,289

$114,329

2022

$10,003 (+2.6%)

$74,725 + $43,289

$118,014

2021

$9,753 (+20.9%)

$57,059 + $49,042

$106,101

2020

$8,065 (+1.6%)

$59,996 + $51,566

$111,562

2019

$7,941 (+8.3%)

$51,480 + $41,170

$92,650

2018

$7,332 (+3.2%)

$51,480 + $41,170

$92,650

2017

$7,102 (+10.8%)

$39,456 + $45,108

$84,564

2016

$6,408 (+5.6%)

$39,456 + $45,108

$84,564

2015

$6,068 (+18.2%)

$34,467 + $39,561

$74,028

2014

$5,132 (+2.2%)

$29,850 + $29,850

$59,700

2013

$5,020 (+6.0%)

$29,850 + $29,850

$59,700

2012

$4,734 (+0.9%)

$29,850 + $29,850

$59,700

2011

$4,693 (+4.2%)

$27,860 + $28,656

$56,516

2010

$4,504 (+7.1%)

$30,328 + $33,273

$63,601

2009

$4,205

$29,850 + $25,870

$55,720

Tax history for 2145 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$9,994 (−2.1%)

$69,706 + $33,419

$103,125

2024

$10,205 (+1.8%)

$69,706 + $33,419

$103,125

2023

$10,023 (+0.2%)

$71,040 + $43,289

$114,329

2022

$10,003 (+2.6%)

$74,725 + $43,289

$118,014

2021

$9,753 (+20.9%)

$57,059 + $49,042

$106,101

2020

$8,065 (+1.6%)

$59,996 + $51,566

$111,562

2019

$7,941 (+8.3%)

$51,480 + $41,170

$92,650

2018

$7,332 (+3.2%)

$51,480 + $41,170

$92,650

2017

$7,102 (+10.8%)

$39,456 + $45,108

$84,564

2016

$6,408 (+5.6%)

$39,456 + $45,108

$84,564

2015

$6,068 (+18.2%)

$34,467 + $39,561

$74,028

2014

$5,132 (+2.2%)

$29,850 + $29,850

$59,700

2013

$5,020 (+6.0%)

$29,850 + $29,850

$59,700

2012

$4,734 (+0.9%)

$29,850 + $29,850

$59,700

2011

$4,693 (+4.2%)

$27,860 + $28,656

$56,516

2010

$4,504 (+7.1%)

$30,328 + $33,273

$63,601

2009

$4,205

$29,850 + $25,870

$55,720

*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: 2
# of 3/4 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 8

Exterior

Exterior Information
Physical Condition: Good
Construction Type: Masonry
Building Construction Quality: Good
Exterior Wall: Block/Brick
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: 2,450
Ground Floor Sq. Ft: 1,572
Building Sq. Ft: 2,450
Stories Type: 2 Plus
Legal Description: LOT 12 & 10 FT STRP ADJ BLK 182 BOULDER EAST

Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 520
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,826
Legal Lot Number: 12
Legal Block Number: 182
Municipality Name: BOULDER
Acres: 0.1797
County Use Description: DUPLEX/TRIPLEX

Financial

Assessor Information
Assessment Year: 2025
Tax Area: RE2-BLDR-NCWD-UDFC

Public facts

Beds: 5
Baths: 3.0
Sq. Ft.: 2,450
Stories: —
Lot Size: 7,826 square feet
Style: Other
Year Built: 1898
Year Renovated: 1980
County: Boulder County
APN: R0005109

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 0.2mi

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)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

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Dec

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

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3D WALKTHROUGH

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Home values near 2145 Mapleton Ave

Data from public records.

Address	Redfin Estimate
2213 Mapleton Ave, Boulder, CO 3 Beds \| 2.5 Baths \| 2934 Sq. Ft.	$2,166,708
2219 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 4164 Sq. Ft.	$2,060,702

Address	Redfin Estimate
2132 Mapleton Ave Apt 3, Boulder, CO 2 Beds \| 1 Baths \| 910 Sq. Ft.	$686,587
2129 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 1767 Sq. Ft.	$1,206,843

Address	Redfin Estimate
2120 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 1698 Sq. Ft.	$1,308,687
2207 Mapleton Ave, Boulder, CO 3 Beds \| 1.5 Baths \| 1512 Sq. Ft.	$1,168,114

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Market trends in 80304, CO

Sale history for 2145 Mapleton Ave

Tax history for 2145 Mapleton Ave

Zoning

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80304

Home values near 2145 Mapleton Ave

More real estate resources