Google street view image for 1920 Mapleton Ave Unit A, Boulder, CO 80304

Off market oct 1992 for $140K

$1,661,019

Est. refi paymentEst. refi $1,100/mo

•

2.5 ba

•

1,980

sq ft

1920 Mapleton Ave Unit A, Boulder, CO 80304

About this home

1920 Mapleton Ave Unit A is a 1,980 square foot house on a 7,366 square foot lot with 2 bedrooms and 2.5 bathrooms. - it last sold on October 05, 1992 for $140,000. Based on Redfin's Boulder data, we estimate the home's value is $1,661,019.

Single-familyProperty Type

1900Year Built

7,366 sq ftLot Size

$839Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,661,019

$1.5M since sold in October 1992$40K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 17.6% higher than the average sale price ($1.41M) of 6 comparable homes.

SOLD JUN 5, 2026
$1,980,000
A
3 beds2 baths2,160 sq ft
2106 Mapleton Ave, Boulder, CO 80304
SOLD SEP 9, 2026
$1,150,000
B
3 beds2.5 baths1,348 sq ft
2910 19th St, Boulder, CO 80304
SOLD SEP 9, 2026
$1,080,000
C
3 beds2 baths1,549 sq ft
3011 13th St, Boulder, CO 80304
SOLD OCT 7, 2026
$1,415,000
D
4 beds2 baths1,865 sq ft
2312 Bluff St, Boulder, CO 80304
SOLD JUN 1, 2026
$1,450,000
E
3 beds3 baths1,847 sq ft
2515 Bluff St, Boulder, CO 80304
SOLD JUN 1, 2026
3010 10th St, Boulder, CO 80304
$1,400,000
F
2 beds2 baths2,020 sq ft
3010 10th St, Boulder, CO 80304

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Earn from this home

Sell

$1,563,592

Est. take-home

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Est. cash available

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Rent

$4,541/mo

Redfin rental estimate

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Market trends in 80304, CO

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

97.4%

+0.1% MoM

Median sale price

$1.3M

$110K MoM

Avg. days on market

63d

8 days MoM

Recently sold homes

103

15 MoM

New listings for sale

NEW 10 HRS AGO
$768,000
3 beds2 baths1,552 sq ft
1683 Yellow Pine Ave, Boulder, CO 80304
COMING SOON
$949,000
3 beds3 baths1,816 sq ft
1219 Linden Ave, Boulder, CO 80304
NEW 35 HRS AGO
$2,189,200
3 beds2.5 baths3,368 sq ft
316 Pine Tree Ln, Boulder, CO 80304
$4,975,000
5 beds6 baths4,687 sq ft
661 Maxwell Ave, Boulder, CO 80304
Karolyn Merrill • RE/MAX of Boulder
$4,995,000
4 beds4.5 baths3,633 sq ft
516 Maxwell Ave, Boulder, CO 80304
$1,985,000
4 beds4 baths3,358 sq ft
2117 Jordan Pl, Boulder, CO 80304
$425,000
1 bed1 bath469 sq ft
3025 Broadway St #18, Boulder, CO 80304
$165,000
3 beds2 baths1,184 sq ft
4500 19 St #623, Boulder, CO 80304
Diana Keck • Keck Real Estate
$850,000
3 beds1.5 baths1,332 sq ft
4065 Dawn Ct, Boulder, CO 80304
$2,250,000
5 beds4 baths3,926 sq ft
3979 Springleaf Ln, Boulder, CO 80304
Janet Leap • RE/MAX of Boulder
See all

Provided by Redfin

Sale history for 1920 Mapleton Ave Unit A

Year

Property tax

Land + Additions

Assessment*

2025

$12,405 (+2.0%)

$68,838 + $60,419

$129,257

2024

$12,161 (+2.4%)

$68,838 + $60,419

$129,257

2023

$11,872 (+18.4%)

$68,809 + $68,668

$137,477

2022

$10,028 (+4.9%)

$72,494 + $68,668

$141,162

2021

$9,562 (+17.5%)

$56,580 + $51,402

$107,982

2020

$8,138 (+1.6%)

$58,208 + $52,881

$111,089

2019

$8,013 (+4.2%)

$49,907 + $43,580

$93,487

2018

$7,693 (+3.2%)

$49,907 + $43,580

$93,487

2017

$7,452 (+8.0%)

$38,304 + $50,422

$88,726

2016

$6,903 (+5.6%)

$38,304 + $50,422

$88,726

2015

$6,537 (+18.8%)

$33,432 + $46,319

$79,751

2014

$5,503 (+2.3%)

$29,134 + $34,873

$64,007

2013

$5,382 (+4.3%)

$29,134 + $34,873

$64,007

2012

$5,161 (+0.9%)

$29,134 + $34,873

$64,007

2011

$5,116 (+6.0%)

$29,452 + $32,158

$61,610

2010

$4,825 (+7.1%)

$29,452 + $32,158

$61,610

2009

$4,506

$29,850 + $29,850

$59,700

Tax history for 1920 Mapleton Ave Unit A

Year

Property tax

Land + Additions

Assessment*

2025

$12,405 (+2.0%)

$68,838 + $60,419

$129,257

2024

$12,161 (+2.4%)

$68,838 + $60,419

$129,257

2023

$11,872 (+18.4%)

$68,809 + $68,668

$137,477

2022

$10,028 (+4.9%)

$72,494 + $68,668

$141,162

2021

$9,562 (+17.5%)

$56,580 + $51,402

$107,982

2020

$8,138 (+1.6%)

$58,208 + $52,881

$111,089

2019

$8,013 (+4.2%)

$49,907 + $43,580

$93,487

2018

$7,693 (+3.2%)

$49,907 + $43,580

$93,487

2017

$7,452 (+8.0%)

$38,304 + $50,422

$88,726

2016

$6,903 (+5.6%)

$38,304 + $50,422

$88,726

2015

$6,537 (+18.8%)

$33,432 + $46,319

$79,751

2014

$5,503 (+2.3%)

$29,134 + $34,873

$64,007

2013

$5,382 (+4.3%)

$29,134 + $34,873

$64,007

2012

$5,161 (+0.9%)

$29,134 + $34,873

$64,007

2011

$5,116 (+6.0%)

$29,452 + $32,158

$61,610

2010

$4,825 (+7.1%)

$29,452 + $32,158

$61,610

2009

$4,506

$29,850 + $29,850

$59,700

*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
# of 1/2 Baths: 1
# of 3/4 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 6

Exterior

Exterior Information
Physical Condition: Good
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Frame Wood/Stucco
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: 1,980
Ground Floor Sq. Ft: 1,280
Building Sq. Ft: 1,980
Stories Type: 2 Plus
Legal Description: LOT 3 BLK 142 BOULDER EAST O T

Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 516
Garage / Carport Type: Detached

Lot Information
# of Buildings: 2
Land Sq. Ft: 7,366
Legal Lot Number: 3
Legal Block Number: 142
Municipality Name: BOULDER
Acres: 0.1691
County Use Description: 1 FAMILY RESID

Financial

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

Public facts

Beds: 2
Baths: 2.5
Sq. Ft.: 1,980
Stories: —
Lot Size: 7,366 square feet
Style: Single Family Residential
Year Built: 1900
Year Renovated: 1990
County: Boulder County
APN: R0002037

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 • 0.5mi

5/10

Boulder High School

Public 9-12 • Assigned • 0.7mi

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, 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)

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

$1.58M – $1.91M

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Nearby similar homes

$4,975,000

5 beds6 baths4,687 sq ft

661 Maxwell Ave, Boulder, CO 80304

Karolyn Merrill • RE/MAX of Boulder

3D WALKTHROUGH

$4,250,000

5 beds4.5 baths4,915 sq ft

1918 Pine St, Boulder, CO 80302

$1,800,000

4 beds4 baths2,735 sq ft

1975 Norwood Ave, Boulder, CO 80304

$1,274,000

5 beds3 baths2,418 sq ft

3240 Folsom St, Boulder, CO 80304

META Homes Team • Real Broker, LLC DBA Real

$2,975,000

4 beds3.5 baths3,215 sq ft

3123 3rd St, Boulder, CO 80304

$1,395,000

4 beds4 baths2,721 sq ft

1737 Hawthorn Pl, Boulder, CO 80304

Kellen Reilly • Tortilla Burrito Real Estate

New listings for sale in 80304

NEW 10 HRS AGO

$768,000

3 beds2 baths1,552 sq ft

1683 Yellow Pine Ave, Boulder, CO 80304

COMING SOON

$949,000

3 beds3 baths1,816 sq ft

1219 Linden Ave, Boulder, CO 80304

NEW 35 HRS AGO

$2,189,200

3 beds2.5 baths3,368 sq ft

316 Pine Tree Ln, Boulder, CO 80304

$4,975,000

5 beds6 baths4,687 sq ft

661 Maxwell Ave, Boulder, CO 80304

Listing provided by REColorado as Distributed by MLS Grid

$4,995,000

4 beds4.5 baths3,633 sq ft

516 Maxwell Ave, Boulder, CO 80304

$1,985,000

4 beds4 baths3,358 sq ft

2117 Jordan Pl, Boulder, CO 80304

$425,000

1 bed1 bath469 sq ft

3025 Broadway St #18, Boulder, CO 80304

$165,000

3 beds2 baths1,184 sq ft

4500 19 St #623, Boulder, CO 80304

Listing provided by REColorado as Distributed by MLS Grid

$850,000

3 beds1.5 baths1,332 sq ft

4065 Dawn Ct, Boulder, CO 80304

Home values near 1920 Mapleton Ave Unit A

Data from public records.

Address	Redfin Estimate
2012 Mapleton Ave, Boulder, CO 4 Beds \| 3 Baths \| 2652 Sq. Ft.	$2,262,256
1931 Mapleton Ave, Boulder, CO 3 Beds \| 1.5 Baths \| 2600 Sq. Ft.	$2,179,580

Address	Redfin Estimate
1844 Mapleton Ave, Boulder, CO 4 Beds \| 3 Baths \| 2383 Sq. Ft.	$1,950,104
1910 Mapleton Ave Apt A, Boulder, CO 4 Beds \| 3.5 Baths \| 3836 Sq. Ft.	$3,793,376

Address	Redfin Estimate
2004 Mapleton Ave, Boulder, CO 4 Beds \| 2 Baths \| 1694 Sq. Ft.	$1,235,449
1936 Mapleton Ave, Boulder, CO 4 Beds \| 5 Baths \| 3644 Sq. Ft.	$2,700,760

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 80304, CO

Sale history for 1920 Mapleton Ave Unit A

Tax history for 1920 Mapleton Ave Unit A

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 1920 Mapleton Ave Unit A

More real estate resources