OFF MARKET

Off market oct 2021 for $1.3M

$1,226,414

Est. refi paymentEst. refi $5,098/mo

•

1,940

sq ft

2105 Mapleton Ave, Boulder, CO 80304

About this home

Public Remarks: DOWNTOWN CHARMER in the heart of Whittier! Greeted by tranquil gardens, picket fences, Flatiron views, cute shed, large sunny patio - there is no downside to this spacious 4BD/3.5BA home. Great mix of character & modern convenience; open floor-plan, updates & original woodwork create an inviting atmosphere. Kitchen boasts granite countertops, stainless appliances including a gas range, hardwood floors. Vaulted ceilings and an inviting fireplace create the perfect space for cozy winter evenings. Main floor BD/BA with its own entrance ideal for guest quarters, nanny or mother-in-law! Mudroom is perfect for Colorado and will organize your life! Upstairs are 3BDs/2BAs and loft study. Master with walk-in-closet, ensuite bath and private deck. Wood floors throughout! Be sure to see the 3D tour! Close to everything downtown Boulder has to offer. Steps to Spruce Pool, Pizzeria Locale, Boxcar Coffee and more! Park your car to walk or ride everywhere. Must see!

TownhomeProperty Type

1977Year Built

3,659 sq ftLot Size

$632Est. Price/Sq.Ft.

2 car garageParking

Listed by Art Schwadron • RE/MAX of Boulder, Inc

Contact: 3034497000

Bought with Art Schwadron • RE/MAX of Boulder, Inc

•303-449-7000 (broker)

•REMAX@boulderco.com (broker)

Redfin checked: a minute ago

•Source:IRES as Distributed by MLS Grid #951000

Redfin Estimate

$1,226,414

$119K since sold in October 2021$28K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.3% higher than the average sale price ($1.15M) of 6 comparable homes.

SOLD JUL 1, 2011
$280,000
A
3 beds1.5 baths960 sq ft
2253 Spruce St, Boulder, CO 80302
SOLD SEP 10, 2026
$520,000
B
3 beds1.5 baths960 sq ft
2253 Spruce St #2, Boulder, CO 80302
SOLD OCT 2, 2026
$1,850,000
C
3 beds2.5 baths1,702 sq ft
2126 Pearl St Unit C, Boulder, CO 80302
SOLD SEP 16, 2002
$279,000
D
2 beds2 baths1,112 sq ft
1303 Alpine Ave Unit A, Boulder, CO 80304
SOLD SEP 29, 2026
$3,495,000
E
3 beds4 baths2,315 sq ft
1634 Walnut St Unit C, Boulder, CO 80302
SOLD OCT 2, 2026
$499,000
F
2 beds2 baths905 sq ft
1830 22nd St #15, Boulder, CO 80302
Listing provided by metrolistCO

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Sell

$180,933

Est. take-home

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Refinance

Est. cash available

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Rent

$4,123/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

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Diana Keck • Keck Real Estate
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Janet Leap • RE/MAX of Boulder
FOR SALE BY OWNER
$1,180,000
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See all

Provided by Redfin

Sale history for 2105 Mapleton Ave

Date

Event

Price

IRES as Distributed by MLS Grid #951000

Oct 18, 2021

Sold

$1,345,000

$693/sq ft

Sep 22, 2021

Contingent

—

Sep 16, 2021

Listed

$1,275,000

$657/sq ft

IRES as Distributed by MLS Grid #793862

Jul 21, 2016

Sold

$1,005,000

$518/sq ft

Jun 14, 2016

Contingent

—

Jun 9, 2016

Listed

$979,000

$505/sq ft

+21

Public Remarks

Charming Downtown Boulder home on quiet side street in the heart of the Whittier neighborhood. Larger than it looks, 4 bedrooms 3 1/2 baths, this updated half duplex lives like a single family home! Newer kitchen w/ granite countertops, ss appliances, and hardwood floors. Lg. living room w/ a 2 story ceiling with a loft/study overlook. Main floor bedroom + bath is perfect for guests or nannies quarters. Lovely fully fenced yard w/ garden shed. Lq. deck for outdoor entertaining w/ Flatiron views.

REColorado as Distributed by MLS Grid #4824020

Jun 9, 2016

Listed

$979,000

$505/sq ft

Public Records

Nov 20, 2000

Sold

$380,000

$196/sq ft

Public Records

Apr 1, 1991

Sold

$117,000

$60/sq ft

Public Records

Nov 28, 1979

Sold

$72,800

$38/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$6,796 (+4.7%)

$71,275

2024

$6,494 (+1.8%)

$71,275

2023

$6,381 (+3.6%)

$73,891

2022

$6,159 (+4.9%)

$77,576

2021

$5,873 (+0.7%)

$66,324

2020

$5,834 (+1.6%)

$68,232

2019

$5,744 (+13.7%)

$67,017

2018

$5,054 (+3.2%)

$67,017

2017

$4,896 (+1.3%)

$58,291

2016

$4,831 (+5.6%)

$58,291

2015

$4,575 (+53.2%)

$55,816

2014

$2,987 (+2.2%)

$34,753

2013

$2,922 (+19.1%)

$34,753

2012

$2,454 (+0.9%)

$34,753

2011

$2,432 (−7.0%)

$29,293

2010

$2,616 (+7.1%)

$29,293

2009

$2,443

$32,370

Tax history for 2105 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$6,796 (+4.7%)

$71,275

2024

$6,494 (+1.8%)

$71,275

2023

$6,381 (+3.6%)

$73,891

2022

$6,159 (+4.9%)

$77,576

2021

$5,873 (+0.7%)

$66,324

2020

$5,834 (+1.6%)

$68,232

2019

$5,744 (+13.7%)

$67,017

2018

$5,054 (+3.2%)

$67,017

2017

$4,896 (+1.3%)

$58,291

2016

$4,831 (+5.6%)

$58,291

2015

$4,575 (+53.2%)

$55,816

2014

$2,987 (+2.2%)

$34,753

2013

$2,922 (+19.1%)

$34,753

2012

$2,454 (+0.9%)

$34,753

2011

$2,432 (−7.0%)

$29,293

2010

$2,616 (+7.1%)

$29,293

2009

$2,443

$32,370

*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

3.5

Stories

Lot width

—

Lot depth

—

Lot size

3,659

Year renovated

2025

Sq. Ft.

1,940

Year built

1977

Style

Townhouse

County

Boulder County

APN

R0511171

Parking Spaces

Basement

Accessible

HOA Dues

—

Garage

Yes

Features

Views, Green

Last updated by owner on Jun 2, 2025.

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

Parking

Parking Features
Covered Spaces: 2
Garage: Yes
Garage Spaces: 2

Interior

Bathroom Information
Bathrooms (Full): 1
Bathrooms (Half): 1
Bathrooms (Three Quarter): 2

Bedroom Information
Bedrooms Total: 4

Heating & Cooling
Cooling: Yes
Central Air
Heating: Yes
Forced Air, Wood Stove

Interior Features
Gas Range/Oven, Self Cleaning Oven, Dishwasher, Refrigerator, Washer, Dryer, Microwave, Disposal
Fireplace: Yes
Fireplace Features: Living Room
Flooring: Wood Floors
Study Area, Eat-in Kitchen, Cathedral/Vaulted Ceilings, Open Floorplan, Stain/Natural Trim, Walk-In Closet(s), Loft
Laundry Features: Main Level

Room Information
Basement: None, Crawl Space

Exterior

Exterior Features
Private Yard, Private Lawn Sprinklers
Fencing: Fenced, Wood
Patio and Porch Features: Patio
Roof: Composition

Pool Information
Spa: Yes
Spa Features: Bath

Land Information
Road Surface Type: Paved, Asphalt

Lot Information
Horse(s): No
Lot Features: Curbs, Gutters, Sidewalks, Level
Other Structures: Storage
Road Frontage Type: City Street
Zoning: Res

Property Information
Property Attached: Yes
Property Type: Attached Dwelling
Property Sub Type: Attached Dwelling
Waterfront: No

Subdivision Information
Subdivision Name: Mapleton Superstructures Amended and Restated
MLS Area Major: Boulder

Building Information
Above Grade Finished Area: 1940
Below Grade Finished Area: 0
Building Area Total: 1940
Common Walls: No One Below
Construction Materials: Wood/Frame

Financial

Tax Information
Parcel Number: R0511171
Tax Annual Amount: 5834
Tax Year: 2020

Financial Information
Listing Terms: Cash, Conventional, FHA, VA Loan

Utilities

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

Location

HOA Information
Association: No
Association Fee Includes: No Association Fee
Community Features: None

School Information
High School District: Boulder Valley Dist RE2
Elementary School: Whittier
Middle or Junior School: Casey
High School: Boulder

Location Information
Directions: Home is on east side of 21st St one house north of Mapleton
Unparsed Address: 2105 Mapleton Ave Boulder CO 80304
Street Number: 2105
Street Name: Mapleton
Street Suffix: Ave
City: Boulder
State or Province: CO
County or Parish: Boulder
Country: US
Postal Code: 80304
Coordinates: -105.26911,40.02366
Latitude: 40.02366
Longitude: -105.26911

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 1,940
Stories: —
Parking Spaces: 2
Basement: No
Accessible: No
Lot Size: 3,659 square feet
Style: Townhouse
Year Built: 1977
Year Renovated: 2025
County: Boulder County
APN: R0511171
HOA Dues: —
Garage: Yes
Features: Views, Green

Home facts updated by owner on Jun 2, 2025

Other

Listing Information
Attribution Contact: 3034497000
Close Price: $1,345,000
Photos Count: 36
Special Listing Conditions: Private Owner
Standard Status: Closed

Listing Date Information
Close Date: Monday, October 18, 2021
Cumulative Days on Market: 33
Days on Market: 33
Listing Contract Date: Tuesday, September 14, 2021
Modification Timestamp: Thursday, August 1, 2024 3:33 PM

Home Information
Entry Level: 1
Entry Location: 1st Floor
Levels: Two
Window Features: Window Coverings, Wood Frames, Skylight(s), Double Pane Windows
Year Built: 1977

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 0.1mi

6/10

Casey Middle School

Public 6-8 • Assigned • 0.6mi

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

$1.17M – $1.41M

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Listing provided by REColorado as Distributed by MLS Grid

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Listing provided by REColorado as Distributed by MLS Grid

FOR SALE BY OWNER

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Home values near 2105 Mapleton Ave

Data from public records.

Address	Redfin Estimate
2104 Mapleton Ave, Boulder, CO 3 Beds \| 3.5 Baths \| 2998 Sq. Ft.	$2,065,312
2103 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 1517 Sq. Ft.	$1,063,208

Address	Redfin Estimate
2045 Mapleton Ave, Boulder, CO 4 Beds \| 4 Baths \| 3771 Sq. Ft.	$1,983,891
2120 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 1698 Sq. Ft.	$1,308,810

Address	Redfin Estimate
2056 Mapleton Ave, Boulder, CO 5 Beds \| 4 Baths \| 3252 Sq. Ft.	$2,472,144
2053 Mapleton Ave, Boulder, CO 3 Beds \| 2.5 Baths \| 1716 Sq. Ft.	$1,761,540

Property information provided by IRES as Distributed by MLS Grid when last listed in 2021. This data may not show owner updates. 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 2105 Mapleton Ave

Tax history for 2105 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 2105 Mapleton Ave

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