Google street view image for 2304 Mapleton Ave, Boulder, CO 80304

Off Market Sep 2006 for $495K

$2,542,361

Est. refi paymentEst. refi $3,379/mo

•

3 ba

•

3,745

sq ft

2304 Mapleton Ave, Boulder, CO 80304

About this home

2304 Mapleton Ave is a 3,745 square foot house on a 6,932 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on September 05, 2006 for $495,000. Based on Redfin's Boulder data, we estimate the home's value is $2,542,361.

Single-familyProperty Type

1939Year Built

6,932 sq ftLot Size

$679Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,542,361

$2.0M since sold in September 2006$112K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.7% higher than the average sale price ($2.32M) of 6 comparable homes.

SOLD MAY 22, 2026
$1,980,000
A
5 beds3 baths2,864 sq ft
2360 Balsam Dr, Boulder, CO 80304
SOLD SEP 1, 2026
$2,150,000
B
4 beds2.5 baths2,680 sq ft
1730 Bluff St, Boulder, CO 80304
SOLD MAY 4, 2026
$3,875,000
C
4 beds3 baths3,878 sq ft
2085 Balsam Dr, Boulder, CO 80304
SOLD SEP 2, 2026
$2,750,000
D
4 beds3.5 baths3,022 sq ft
2550 Balsam Dr, Boulder, CO 80304
SOLD JUN 1, 2026
$1,450,000
E
3 beds3 baths1,847 sq ft
2515 Bluff St, Boulder, CO 80304
SOLD DEC 3, 2025
$1,695,000
F
4 beds2 baths2,167 sq ft
2085 Alpine Dr, Boulder, CO 80304

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Earn from this home

Sell

$2,209,345

Est. take-home

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Est. cash available

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Rent

$6,402/mo

Redfin rental estimate

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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

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
COMING SOON
$875,000
3 beds2.5 baths1,512 sq ft
1749 Alpine Ave #10, 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
3D WALKTHROUGH
$2,695,000
5 beds3.5 baths3,513 sq ft
3560 16th St, Boulder, CO 80304
See all

Provided by Redfin

Sale history for 2304 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$16,754 (+0.2%)

$66,781 + $108,931

$175,712

2024

$16,725 (+1.8%)

$66,781 + $108,931

$175,712

2023

$16,435 (+21.0%)

$66,645 + $123,662

$190,307

2022

$13,579 (+4.9%)

$70,330 + $123,662

$193,992

2021

$12,949 (+16.7%)

$54,884 + $91,344

$146,228

2020

$11,095 (+1.6%)

$56,464 + $93,972

$150,436

2019

$10,925 (+7.7%)

$50,980 + $76,484

$127,464

2018

$10,144 (+3.2%)

$50,980 + $76,484

$127,464

2017

$9,826 (+10.3%)

$46,800 + $70,200

$117,000

2016

$8,906 (+5.6%)

$46,800 + $70,200

$117,000

2015

$8,434 (+15.8%)

$41,153 + $61,738

$102,891

2014

$7,282 (+2.2%)

$38,526 + $46,176

$84,702

2013

$7,122 (−3.1%)

$38,526 + $46,176

$84,702

2012

$7,348 (+0.9%)

$38,526 + $46,176

$84,702

2011

$7,284 (−5.7%)

$28,576 + $59,143

$87,719

2010

$7,724 (+7.1%)

$28,576 + $59,143

$87,719

2009

$7,212

$38,920 + $56,640

$95,560

Tax history for 2304 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$16,754 (+0.2%)

$66,781 + $108,931

$175,712

2024

$16,725 (+1.8%)

$66,781 + $108,931

$175,712

2023

$16,435 (+21.0%)

$66,645 + $123,662

$190,307

2022

$13,579 (+4.9%)

$70,330 + $123,662

$193,992

2021

$12,949 (+16.7%)

$54,884 + $91,344

$146,228

2020

$11,095 (+1.6%)

$56,464 + $93,972

$150,436

2019

$10,925 (+7.7%)

$50,980 + $76,484

$127,464

2018

$10,144 (+3.2%)

$50,980 + $76,484

$127,464

2017

$9,826 (+10.3%)

$46,800 + $70,200

$117,000

2016

$8,906 (+5.6%)

$46,800 + $70,200

$117,000

2015

$8,434 (+15.8%)

$41,153 + $61,738

$102,891

2014

$7,282 (+2.2%)

$38,526 + $46,176

$84,702

2013

$7,122 (−3.1%)

$38,526 + $46,176

$84,702

2012

$7,348 (+0.9%)

$38,526 + $46,176

$84,702

2011

$7,284 (−5.7%)

$28,576 + $59,143

$87,719

2010

$7,724 (+7.1%)

$28,576 + $59,143

$87,719

2009

$7,212

$38,920 + $56,640

$95,560

*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

Basement Information
Basement Sq. Ft: 717
Basement Finish: Finished
Basement Type: Finished

Bathroom Information
# of Full Baths: 1
# of 3/4 Baths: 2

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 10

Exterior

Exterior Information
Physical Condition: Very Good
Construction Type: Masonry
Building Construction Quality: Good
Exterior Wall: Block/Brick
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: 3,745
Ground Floor Sq. Ft: 1,603
Building Sq. Ft: 3,745
Stories Type: 2 Plus
Legal Description: LOT 6 BLK 138 BOULDER EAST O T

Lot Information
# of Buildings: 2
Land Sq. Ft: 6,932
Legal Lot Number: 6
Legal Block Number: 138
Municipality Name: BOULDER
Acres: 0.1591
County Use Description: 1 FAMILY RESID

Financial

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

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 3,745
Stories: —
Lot Size: 6,932 square feet
Style: Single Family Residential
Year Built: 1939
Year Renovated: 2000
County: Boulder County
APN: R0005443

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 • 0.7mi

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

1% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 91° 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

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

$2.42M – $2.92M

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NEW CONSTRUCTION

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VIDEO TOUR

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New listings for sale in 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 2PM3D WALKTHROUGH

$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

COMING SOON

$875,000

3 beds2.5 baths1,512 sq ft

1749 Alpine Ave #10, 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

Home values near 2304 Mapleton Ave

Data from public records.

Address	Redfin Estimate
2236 Mapleton Ave, Boulder, CO 4 Beds \| 3 Baths \| 3275 Sq. Ft.	$2,536,385
2244 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 1521 Sq. Ft.	$1,184,519

Address	Redfin Estimate
2344 Mapleton Ave, Boulder, CO 3 Beds \| 1.5 Baths \| 1452 Sq. Ft.	$1,268,631
2324 Mapleton Ave, Boulder, CO 2 Beds \| 1.5 Baths \| 1128 Sq. Ft.	$653,306

Address	Redfin Estimate
2318 Mapleton Ave, Boulder, CO 4 Beds \| 2 Baths \| 1703 Sq. Ft.	$1,429,793
2315 Mapleton Ave, Boulder, CO 3 Beds \| 3 Baths \| 2755 Sq. Ft.	$1,679,673

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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 2304 Mapleton Ave

Tax history for 2304 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 2304 Mapleton Ave

More real estate resources