OFF MARKET

Off Market Feb 1977 for $70K

—

Est. refi paymentEst. refi $488/mo

•

2,773

sq ft

1035 Mapleton Ave, Boulder, CO 80304

About this home

1035 Mapleton Ave is a 2,773 square foot property on a 0.31 acre lot with 6 bedrooms and 4 bathrooms. - it last sold on February 02, 1977 for $70,000.

1898Year Built

0.31 acresLot Size

$25Price/Sq.Ft.

1 spaceParking

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 August 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

NEW 1 HR AGO
$549,000
2 beds1 bath888 sq ft
4742 18th St, Boulder, CO 80304
OPEN SAT, 10AM TO 12PM
$875,000
3 beds2.5 baths1,512 sq ft
1749 Alpine Ave #10, Boulder, CO 80304
COMING SOON
$5,750,000
4 beds5.5 baths4,226 sq ft
1145 Timber Ln, Boulder, CO 80304
COMING SOON
$2,250,000
5 beds3.5 baths3,926 sq ft
3979 Springleaf Ln, Boulder, CO 80304
OPEN SUN, 11AM TO 2PM
$749,500
3 beds3 baths1,810 sq ft
3140 Eastwood Ct, Boulder, CO 80304
Cassidy Bednark • Century 21 Elevated Real Estate
OPEN SAT, 1PM TO 3PM
$1,485,000
4 beds2.5 baths3,623 sq ft
1461 Zamia Ave, Boulder, CO 80304
$80,000
3 beds1 bath980 sq ft
4500 19th St #610, Boulder, CO 80304
Jennifer Walthall • Metro 21 Real Estate Group
3D WALKTHROUGH
$595,000
2 beds2 baths892 sq ft
948 North St #17, Boulder, CO 80304
$300,000
1 bed1 bath400 sq ft
2711 Mapleton Ave #1, Boulder, CO 80304
OPEN SAT, 1PM TO 3PM
$1,295,000
3 beds2 baths1,890 sq ft
3065 23rd St, Boulder, CO 80304
See all

Provided by Redfin

Sale history for 1035 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$9,780 (−0.7%)

$53,125 + $47,750

$100,875

2024

$9,844 (+1.8%)

$53,125 + $47,750

$100,875

2023

$9,668 (+15.7%)

$53,265 + $56,950

$110,215

2022

$8,359 (+2.6%)

$56,950 + $56,950

$113,900

2021

$8,151 (−6.5%)

$76,500 + $11,900

$88,400

2020

$8,713 (+1.6%)

$80,438 + $12,513

$92,951

2019

$8,580 (+26.3%)

$80,026 + $20,074

$100,100

2018

$6,794 (+3.2%)

$80,026 + $20,074

$100,100

2017

$6,582 (−13.2%)

$68,788 + $9,576

$78,364

2016

$7,579 (+5.6%)

$68,788 + $9,576

$78,364

2015

$7,177 (+4.9%)

$72,118 + $15,443

$87,561

2014

$6,843 (+2.2%)

$55,720 + $23,880

$79,600

2013

$6,693 (+3.5%)

$55,720 + $23,880

$79,600

2012

$6,467 (+0.9%)

$55,720 + $23,880

$79,600

2011

$6,410 (−4.3%)

$40,516 + $36,681

$77,197

2010

$6,701 (+7.1%)

$40,516 + $36,681

$77,197

2009

$6,257

$67,660 + $15,250

$82,910

Tax history for 1035 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$9,780 (−0.7%)

$53,125 + $47,750

$100,875

2024

$9,844 (+1.8%)

$53,125 + $47,750

$100,875

2023

$9,668 (+15.7%)

$53,265 + $56,950

$110,215

2022

$8,359 (+2.6%)

$56,950 + $56,950

$113,900

2021

$8,151 (−6.5%)

$76,500 + $11,900

$88,400

2020

$8,713 (+1.6%)

$80,438 + $12,513

$92,951

2019

$8,580 (+26.3%)

$80,026 + $20,074

$100,100

2018

$6,794 (+3.2%)

$80,026 + $20,074

$100,100

2017

$6,582 (−13.2%)

$68,788 + $9,576

$78,364

2016

$7,579 (+5.6%)

$68,788 + $9,576

$78,364

2015

$7,177 (+4.9%)

$72,118 + $15,443

$87,561

2014

$6,843 (+2.2%)

$55,720 + $23,880

$79,600

2013

$6,693 (+3.5%)

$55,720 + $23,880

$79,600

2012

$6,467 (+0.9%)

$55,720 + $23,880

$79,600

2011

$6,410 (−4.3%)

$40,516 + $36,681

$77,197

2010

$6,701 (+7.1%)

$40,516 + $36,681

$77,197

2009

$6,257

$67,660 + $15,250

$82,910

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

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

Basement Information
Basement Sq. Ft: 938
Basement Finish: Finished
Basement Type: Walk Out

Bathroom Information
# of Full Baths: 3
# of 3/4 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 12

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Frame Wood
Roof Covering Type: Asphalt
Roof Shape Type: Asphalt
Building Type: Duplex/Triplex

Property Information
Subdivision Name: HILLTOP HOMES
Living Sq. Ft: 2,773
Ground Floor Sq. Ft: 1,098
Building Sq. Ft: 2,773
# of Stories: 1
Stories Type: 1
Legal Description: UNITS 1 & 2 HILLTOP HOMES

Lot Information
# of Buildings: 3
Land Sq. Ft: 13,319
Legal Lot Number: 8
Municipality Name: BOULDER
Acres: 0.3058
County Use Description: DUPLEX/TRIPLEX

Financial

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

Public facts

Beds: 6
Baths: 4.0
Sq. Ft.: 2,773
Stories: 1.0
Parking Spaces: 1
Basement: No
Accessible: No
Lot Size: 0.31 acres
Style: Other
Year Built: 1898
Year Renovated: 1970
County: Boulder County
APN: R0002069
HOA Dues: —
Garage: No
Features: —

Home facts updated by owner on May 13, 2025

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 0.7mi

6/10

Casey Middle School

Public 6-8 • Assigned • 0.2mi

5/10

Boulder High School

Public 9-12 • Assigned • 0.6mi

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)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

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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Paul Dart • RE/MAX of Boulder

New listings for sale in 80304

NEW 1 HR AGO

$549,000

2 beds1 bath888 sq ft

4742 18th St, Boulder, CO 80304

OPEN SAT, 10AM TO 12PM

$875,000

3 beds2.5 baths1,512 sq ft

1749 Alpine Ave #10, Boulder, CO 80304

COMING SOON

$5,750,000

4 beds5.5 baths4,226 sq ft

1145 Timber Ln, Boulder, CO 80304

COMING SOON

$2,250,000

5 beds3.5 baths3,926 sq ft

3979 Springleaf Ln, Boulder, CO 80304

OPEN SUN, 11AM TO 2PM

$749,500

3 beds3 baths1,810 sq ft

3140 Eastwood Ct, Boulder, CO 80304

Cassidy Bednark • Century 21 Elevated Real Estate

OPEN SAT, 1PM TO 3PM

$1,485,000

4 beds2.5 baths3,623 sq ft

1461 Zamia Ave, Boulder, CO 80304

$80,000

3 beds1 bath980 sq ft

4500 19th St #610, Boulder, CO 80304

Jennifer Walthall • Metro 21 Real Estate Group

3D WALKTHROUGH

$595,000

2 beds2 baths892 sq ft

948 North St #17, Boulder, CO 80304

$300,000

1 bed1 bath400 sq ft

2711 Mapleton Ave #1, Boulder, CO 80304

Home values near 1035 Mapleton Ave

Data from public records.

Address	Redfin Estimate
1063 Mapleton Ave, Boulder, CO 4 Beds \| 3.5 Baths \| 3107 Sq. Ft.	$2,096,073
1020 Mapleton Ave, Boulder, CO 4 Beds \| 2 Baths \| 5600 Sq. Ft.	$3,771,277

Address	Redfin Estimate
1043 Mapleton Ave, Boulder, CO 2 Beds \| 1.5 Baths \| 1235 Sq. Ft.	$1,408,856
1025 Mapleton Ave, Boulder, CO 3 Beds \| 3 Baths \| 2150 Sq. Ft.	$2,380,867

Address	Redfin Estimate
1013 Mapleton Ave, Boulder, CO 4 Beds \| 3 Baths \| 2463 Sq. Ft.	$3,181,041
1019 Mapleton Ave, Boulder, CO 2 Beds \| 2 Baths \| 1626 Sq. Ft.	$2,039,870

Property information provided by undefined .

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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 1035 Mapleton Ave

Tax history for 1035 Mapleton Ave

Zoning and permits

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 1035 Mapleton Ave

More real estate resources