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

Off market oct 1992 for $140K

$1,663,487

Est. refi paymentEst. refi $1,089/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 $1,663,487.

Single-familyProperty Type

1900Year Built

7,366 sq ftLot Size

$840Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,663,487

$1.5M since sold in October 1992$37K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 17.8% 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 JUN 1, 2026
$1,450,000
D
3 beds3 baths1,847 sq ft
2515 Bluff St, Boulder, CO 80304
SOLD OCT 7, 2026
$1,415,000
E
4 beds2 baths1,865 sq ft
2312 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

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$1,565,918

Est. take-home

List your home with Redfin and save $16,635

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$4,541/mo

Redfin rental estimate

List your home for rent

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

COMING SOON
$2,950,000
6 beds4.5 baths4,152 sq ft
805 Linden Ave, Boulder, CO 80304
NEW 25 HRS AGO
$1,100,000
3 beds2.5 baths2,208 sq ft
1192 Quince Ave, Boulder, CO 80304
OPEN THU, 12PM TO 2PM
$2,495,000
5 beds4.5 baths5,592 sq ft
1945 Norwood Ave, Boulder, CO 80304
$3,350,000
4 beds3.5 baths3,495 sq ft
645 Concord Ave, Boulder, CO 80304
COMING SOON
$9,500,000
6 beds7.5 baths9,447 sq ft
1080 Juniper Ave, Boulder, CO 80304
$1,600,000
4 beds3 baths3,215 sq ft
626 Poplar Ave, Boulder, CO 80304
$2,350,000
4 beds2.5 baths4,371 sq ft
86 S Cedar Brook Rd, Boulder, CO 80304
VIDEO TOUR
$2,650,000
4 beds1 bath2,179 sq ft
2003 Balsam Dr, Boulder, CO 80304
$949,000
3 beds3 baths1,816 sq ft
1219 Linden Ave, Boulder, CO 80304
$270,000
2 beds1 bath792 sq ft
2707 Valmont Rd Unit 311D, Boulder, CO 80304
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

Reach more buyers when you sell with Redfin. Save up to $16,635 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN THU, 12PM TO 2PMVIDEO TOUR

$2,495,000

5 beds4.5 baths5,592 sq ft

1945 Norwood Ave, Boulder, CO 80304

3D WALKTHROUGH

$3,999,000

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

$750,000

1 bed1 bath650 sq ft

1707 Walnut St #302, Boulder, CO 80302

$2,975,000

4 beds3.5 baths3,215 sq ft

3123 3rd St, Boulder, CO 80304

New listings for sale in 80304

COMING SOON

$2,950,000

6 beds4.5 baths4,152 sq ft

805 Linden Ave, Boulder, CO 80304

NEW 25 HRS AGO

$1,100,000

3 beds2.5 baths2,208 sq ft

1192 Quince Ave, Boulder, CO 80304

OPEN THU, 12PM TO 2PMVIDEO TOUR

$2,495,000

5 beds4.5 baths5,592 sq ft

1945 Norwood Ave, Boulder, CO 80304

$3,350,000

4 beds3.5 baths3,495 sq ft

645 Concord Ave, Boulder, CO 80304

COMING SOON

$9,500,000

6 beds7.5 baths9,447 sq ft

1080 Juniper Ave, Boulder, CO 80304

$1,600,000

4 beds3 baths3,215 sq ft

626 Poplar Ave, Boulder, CO 80304

$2,350,000

4 beds2.5 baths4,371 sq ft

86 S Cedar Brook Rd, Boulder, CO 80304

VIDEO TOUR

$2,650,000

4 beds1 bath2,179 sq ft

2003 Balsam Dr, Boulder, CO 80304

$949,000

3 beds3 baths1,816 sq ft

1219 Linden Ave, 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.	$2,261,794
1931 Mapleton Ave, Boulder, CO 3 Beds \| 1.5 Baths \| 2600 Sq. Ft.	$2,098,382

Address	Redfin Estimate
1844 Mapleton Ave, Boulder, CO 4 Beds \| 3 Baths \| 2383 Sq. Ft.	$1,958,337
1910 Mapleton Ave Apt A, Boulder, CO 4 Beds \| 3.5 Baths \| 3836 Sq. Ft.	$3,852,386

Address	Redfin Estimate
2004 Mapleton Ave, Boulder, CO 4 Beds \| 2 Baths \| 1694 Sq. Ft.	$1,235,342
1936 Mapleton Ave, Boulder, CO 4 Beds \| 5 Baths \| 3644 Sq. Ft.	$2,709,630

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

80026 homes for sale
80027 homes for sale
80301 homes for sale
80302 homes for sale
80305 homes for sale

Houses for rent in Boulder	Agents near me	Fort Collins, CO homes for sale	Boulder Housing Market
Houses for sale near me	Denver, CO homes for sale	Aurora, CO homes for sale
Land for sale near me	Colorado Springs, CO homes for sale	Arvada, CO homes for sale
Open Houses near me	Boulder, CO homes for sale	Boulder Property Records
Condos for sale near me	Littleton, CO homes for sale	CO New Listings

Denver homes for sale
Arvada homes for sale
Golden homes for sale

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