OFF MARKET

Off market mar 2005 for $662K

$1,879,255

Est. refi paymentEst. refi $4,384/mo

•

1,992

sq ft

2021 Mapleton Ave, Boulder, CO 80304

About this home

Public Remarks: This is a wonderful, authentic Victorian in downtown Boulder. Lovely, original woodwork, hardwood floors and charming spaces. Incredible park-like yard with gazebo. Fabulous home office with built-in bookcases, lots of light and views. Updated electrical, plumbing, insulation and newer roof and windows. Wonderful entry room with tile floors. Darling upper room with brick floors. Private entrance up the back stairway. Nooks and cranies, charm and authenticity. Four bedrooms and studies.

Single-familyProperty Type

1920Year Built

7,000 sq ftLot Size

$943Est. Price/Sq.Ft.

Listed by Jo Kearney • Kearney Realty

Contact: 3034406464

Bought with Patrick Brown • Goodacre & Company

•303-449-3434 (broker)

Redfin checked: 2 minutes ago

•Source:IRES as Distributed by MLS Grid #420945

Redfin Estimate

$1,879,255

$1.2M since sold in March 2005$1,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 25.9% higher than the average sale price ($1.49M) of 6 comparable homes.

SOLD FEB 3, 2026
$1,157,500
A
3 beds2 baths1,440 sq ft
1557 North St, Boulder, CO 80304
SOLD SEP 29, 2026
$1,825,000
B
4 beds2.5 baths2,161 sq ft
2850 6th St, Boulder, CO 80304
SOLD JUN 5, 2026
$1,980,000
C
3 beds2 baths2,160 sq ft
2106 Mapleton Ave, Boulder, CO 80304
SOLD DEC 3, 2025
$1,695,000
D
4 beds2 baths2,167 sq ft
2085 Alpine Dr, Boulder, CO 80304
SOLD SEP 1, 2026
$1,350,000
E
4 beds2 baths1,974 sq ft
3190 8th St, Boulder, CO 80304
SOLD MAR 31, 2026
$950,000
F
4 beds2 baths2,048 sq ft
3145 Fremont St, Boulder, CO 80304

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Earn from this home

Sell

$1,555,301

Est. take-home

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Refinance

Est. cash available

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Rent

$6,102/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

97.3%

+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 17 MINS AGO
$390,000
2 beds1 bath910 sq ft
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OPEN SUN, 1PM TO 3PM
$635,000
3 beds1.5 baths1,488 sq ft
3874 Broadway St #9, Boulder, CO 80304
VIDEO TOUR
$2,499,000
6 beds4 baths4,684 sq ft
3735 Wild Plum Ct, Boulder, CO 80304
$152,000
3 beds2 baths992 sq ft
4500 19th St #33, Boulder, CO 80304
Mary Gutierrez • Mary Rose Gutierrez-Individual Proprietor
OPEN SAT, 11AM TO 1PM
$1,350,000
4 beds3.5 baths2,862 sq ft
5247 5th St, Boulder, CO 80304
3D WALKTHROUGH
$2,150,000
6 beds3 baths4,254 sq ft
3555 16th St, Boulder, CO 80304
$1,850,000
4 beds1 bath1,324 sq ft
541 Maxwell Ave, Boulder, CO 80304
$315,000
1 bed1 bath592 sq ft
3745 Birchwood Dr #34, Boulder, CO 80304
$1,249,000
3 beds4 baths2,848 sq ft
419 Wild Horse Cir, Boulder, CO 80304
Gregory Pickett • Compass - Denver
3D WALKTHROUGH
$1,399,000
4 beds3 baths2,818 sq ft
3845 Birchwood Dr, Boulder, CO 80304
See all

Provided by Redfin

Sale history for 2021 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$14,422 (+1.6%)

$68,831 + $82,425

$151,256

2024

$14,195 (+4.4%)

$68,831 + $82,425

$151,256

2023

$13,597 (+12.1%)

$68,803 + $92,721

$161,524

2022

$12,134 (+4.9%)

$72,487 + $88,648

$161,135

2021

$11,570 (+23.3%)

$56,573 + $74,087

$130,660

2020

$9,386 (+73.3%)

$58,201 + $76,219

$134,420

2019

$5,415 (−19.1%)

$49,907 + $57,922

$107,829

2018

$6,696 (+3.2%)

$49,907 + $13,271

$63,178

2017

$6,487 (+7.8%)

$38,304 + $38,930

$77,234

2016

$6,016 (+5.6%)

$38,304 + $38,930

$77,234

2015

$5,696 (+7.8%)

$33,432 + $36,067

$69,499

2014

$5,286 (+2.3%)

$27,940 + $33,544

$61,484

2013

$5,170 (+6.1%)

$27,940 + $33,544

$61,484

2012

$4,871 (+0.9%)

$27,940 + $33,544

$61,484

2011

$4,828 (−1.6%)

$29,452 + $28,693

$58,145

2010

$4,904 (+7.1%)

$29,452 + $28,693

$58,145

2009

$4,579

$39,880 + $20,800

$60,680

Tax history for 2021 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$14,422 (+1.6%)

$68,831 + $82,425

$151,256

2024

$14,195 (+4.4%)

$68,831 + $82,425

$151,256

2023

$13,597 (+12.1%)

$68,803 + $92,721

$161,524

2022

$12,134 (+4.9%)

$72,487 + $88,648

$161,135

2021

$11,570 (+23.3%)

$56,573 + $74,087

$130,660

2020

$9,386 (+73.3%)

$58,201 + $76,219

$134,420

2019

$5,415 (−19.1%)

$49,907 + $57,922

$107,829

2018

$6,696 (+3.2%)

$49,907 + $13,271

$63,178

2017

$6,487 (+7.8%)

$38,304 + $38,930

$77,234

2016

$6,016 (+5.6%)

$38,304 + $38,930

$77,234

2015

$5,696 (+7.8%)

$33,432 + $36,067

$69,499

2014

$5,286 (+2.3%)

$27,940 + $33,544

$61,484

2013

$5,170 (+6.1%)

$27,940 + $33,544

$61,484

2012

$4,871 (+0.9%)

$27,940 + $33,544

$61,484

2011

$4,828 (−1.6%)

$29,452 + $28,693

$58,145

2010

$4,904 (+7.1%)

$29,452 + $28,693

$58,145

2009

$4,579

$39,880 + $20,800

$60,680

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

Public record

Public record
Zoning
Permits

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

7,364 Sq. Ft.

Year renovated

2005

Sq. Ft.

3,582

Year built

1920

Style

Single Family Residential

County

Boulder County

APN

R0004297

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Property details

Parking

Parking Features
Covered Spaces: 0
Garage Spaces: 0

Interior

Bathroom Information
Bathrooms (Full): 2
Bathrooms (Half): 0
Bathrooms (Three Quarter): 0

Bedroom Information
Bedrooms Total: 4

Heating & Cooling
Cooling: Yes
Whole House Fan
Heating: Yes
Forced Air, Wood Stove

Interior Features
Accessibility Features: Level Lot, Near Bus, Main Floor Bath, Main Level Laundry
Electric Range/Oven, Dishwasher
Flooring: Wood Floors
Study Area, Eat-in Kitchen, Separate Dining Room, Open Floorplan, Sun Space
Laundry Features: Washer/Dryer Hookups, Main Level

Room Information
Basement: Partial

Exterior

Exterior Features
Balcony
Fencing: Partial
Patio and Porch Features: Patio, Deck, Enclosed
Roof: Composition

Lot Information
Horse(s): No
Lot Features: Historic District
Other Structures: Storage
Zoning: RES

Property Information
Property Type: Residential
View: Yes
Waterfront: No

Subdivision Information
Subdivision Name: Mapleton
MLS Area Major: Boulder

Building Information
Above Grade Finished Area: 1992
Building Area Total: 1992
Construction Materials: Wood/Frame

Financial

Tax Information
Parcel Number: 701N305050120004297
Tax Annual Amount: 2864
Tax Year: 2003

Utilities

Utility Information
Utilities: Natural Gas Available
Gas: Natural Gas,Xcel
Sewer: City Sewer

Location

HOA Information
Association: No
Association Fee: 0

School Information
High School District: Boulder Valley Dist RE2
Elementary School: WHITTIER
Middle or Junior School: CASEY
High School: BOULDER

Location Information
Directions: From 28th St., West on Mapleton, between 20th and 21st
Unparsed Address: 2021 Mapleton Ave Boulder CO 80304
Street Number: 2021
Street Name: Mapleton
Street Suffix: Ave
City: Boulder
State or Province: CO
County or Parish: Boulder
Country: US
Postal Code: 80304
Coordinates: -105.270305,40.023128
Latitude: 40.023128
Longitude: -105.270305

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 3,582
Stories: —
Lot Size: 7,364 square feet
Style: Single Family Residential
Year Built: 1920
Year Renovated: 2005
County: Boulder County
APN: R0004297

Home facts updated by county records on Sep 2, 2026

Other

Listing Information
Attribution Contact: 3034406464
Close Price: $662,500
Photos Count: 7
Possible Use: Single Family
Special Listing Conditions: Private Owner
Standard Status: Closed

Listing Date Information
Close Date: Tuesday, March 8, 2005
Cumulative Days on Market: 229
Days on Market: 229
Listing Contract Date: Friday, July 23, 2004
Modification Timestamp: Monday, July 22, 2024 7:36 PM

Home Information
Levels: Two
Window Features: Window Coverings, Wood Frames, Skylight(s)
Year Built: 1920

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 • 0.8mi

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

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

$1.79M – $2.16M

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3D WALKTHROUGH

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Home values near 2021 Mapleton Ave

Data from public records.

Address	Redfin Estimate
2036 Mapleton Ave, Boulder, CO 3 Beds \| 2.5 Baths \| 2408 Sq. Ft.	$1,841,672
2030 Mapleton Ave, Boulder, CO 3 Beds \| 1 Baths \| 1712 Sq. Ft.	$1,605,616

Address	Redfin Estimate
2012 Mapleton Ave, Boulder, CO 4 Beds \| 3 Baths \| 2652 Sq. Ft.	$2,292,871
2056 Mapleton Ave, Boulder, CO 5 Beds \| 4 Baths \| 3252 Sq. Ft.	$2,458,759

Address	Redfin Estimate
2045 Mapleton Ave, Boulder, CO 4 Beds \| 4 Baths \| 3771 Sq. Ft.	$1,991,285
2013 Mapleton Ave, Boulder, CO 4 Beds \| 3 Baths \| 3702 Sq. Ft.	$2,575,041

Property information provided by IRES as Distributed by MLS Grid when last listed in 2004. This data may not match . Learn more.

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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 2021 Mapleton Ave

Tax history for 2021 Mapleton Ave

Public record

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 2021 Mapleton Ave

More real estate resources