Off market jun 2007 for $675K

$1,333,330

Est. refi paymentEst. refi $4,683/mo

•

1,662

sq ft

2109 Mapleton Ave, Boulder, CO 80304

About this home

Public Remarks: A classic alleyhouse designed & built by Tom Lyon of Wolff-Lyon Design. Tucks into a sweetspot in Whittier, this house has privacy right downtown. Sunny & green with 15' cathedral ceilings in LR, sqft lives larger than its 1662 sqft. Large mainfloor familyroom could be office-studio or guest room. Private yard has decks with flagstone patio with garden spacers, garden shed & outdoor shower! 1 car carport.

Single-familyProperty Type

1984Year Built

3,500 sq ftLot Size

$802Est. Price/Sq.Ft.

1 car garageParking

Listed by John McElveen • RE/MAX of Boulder, Inc

Contact: 3034497000

Bought with Dave Larson • Larson Realty, Inc.

•303-444-3900 (broker)

Redfin checked: a minute ago

•Source:IRES as Distributed by MLS Grid #528757

Redfin Estimate

$1,333,330

$658K since sold in June 2007$15K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 17.7% higher than the average sale price ($1.13M) of 6 comparable homes.

SOLD AUG 3, 2026
$1,175,000
A
3 beds2 baths1,367 sq ft
2215 20th St, Boulder, CO 80302
SOLD DEC 12, 2025
$1,125,000
B
2 beds2 baths1,758 sq ft
2335 23rd St, Boulder, CO 80304
SOLD MAY 28, 2026
$1,145,000
C
2 beds1.5 baths1,472 sq ft
1453 Chestnut Pl, Boulder, CO 80304
SOLD JUN 30, 2026
$1,175,000
D
2 beds1.5 baths1,296 sq ft
2915 16th St, Boulder, CO 80304
SOLD JUN 23, 2026
$1,125,000
E
3 beds2 baths1,107 sq ft
1495 Chestnut Pl, Boulder, CO 80304
RE/MAX Professionals
SOLD AUG 13, 2026
$1,050,000
F
3 beds2.5 baths2,361 sq ft
2602 Tumwater Ln, Boulder, CO 80304

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Earn from this home

Sell

$986,712

Est. take-home

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Refinance

Est. cash available

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Rent

$3,678/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

97.3%

+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

OPEN SAT, 11AM TO 2PM
$1,000,000
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NEW 5 HRS AGO
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5247 5th St, Boulder, CO 80304
OPEN SAT, 11AM TO 1PM
$2,150,000
6 beds3 baths4,254 sq ft
3555 16th St, Boulder, CO 80304
OPEN SAT, 11AM TO 2PM
$1,850,000
4 beds1 bath1,324 sq ft
541 Maxwell Ave, Boulder, CO 80304
NEW 13 HRS AGO
$315,000
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NEW 13 HRS AGO
$1,249,000
3 beds4 baths2,848 sq ft
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Gregory Pickett • Compass - Denver
OPEN SAT, 12PM TO 2PM
$1,399,000
4 beds3 baths2,818 sq ft
3845 Birchwood Dr, Boulder, CO 80304
OPEN OCT 24, 10:30AM TO 12:30PM
$174,669
2 beds1 bath926 sq ft
2610 Iris Ave #105, Boulder, CO 80304
NEW 33 HRS AGO
$1,100,000
1 bed1.5 baths1,122 sq ft
2930 Broadway St #203, Boulder, CO 80304
OPEN SUN, 1PM TO 3PM
$1,700,000
3 beds2.5 baths1,577 sq ft
3111 14th St, Boulder, CO 80304
See all

Provided by Redfin

Sale history for 2109 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$8,760 (+2.0%)

$47,113 + $44,763

$91,876

2024

$8,587 (+1.8%)

$47,113 + $44,763

$91,876

2023

$8,438 (+15.8%)

$45,928 + $51,778

$97,706

2022

$7,285 (+4.9%)

$49,614 + $51,778

$101,392

2021

$6,947 (+13.2%)

$38,718 + $39,733

$78,451

2020

$6,136 (+1.6%)

$39,833 + $40,877

$80,710

2019

$6,042 (+8.1%)

$34,177 + $36,315

$70,492

2018

$5,590 (+3.2%)

$34,177 + $36,315

$70,492

2017

$5,415 (+3.4%)

$26,208 + $38,268

$64,476

2016

$5,237 (+5.6%)

$26,208 + $38,268

$64,476

2015

$4,959 (+11.0%)

$24,198 + $36,306

$60,504

2014

$4,466 (+2.2%)

$23,641 + $28,314

$51,955

2013

$4,368 (+7.0%)

$23,641 + $28,314

$51,955

2012

$4,081 (+0.9%)

$23,641 + $28,314

$51,955

2011

$4,045 (+2.2%)

$18,706 + $30,009

$48,715

2010

$3,956 (+7.1%)

$18,706 + $30,009

$48,715

2009

$3,694

$29,450 + $19,500

$48,950

Tax history for 2109 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$8,760 (+2.0%)

$47,113 + $44,763

$91,876

2024

$8,587 (+1.8%)

$47,113 + $44,763

$91,876

2023

$8,438 (+15.8%)

$45,928 + $51,778

$97,706

2022

$7,285 (+4.9%)

$49,614 + $51,778

$101,392

2021

$6,947 (+13.2%)

$38,718 + $39,733

$78,451

2020

$6,136 (+1.6%)

$39,833 + $40,877

$80,710

2019

$6,042 (+8.1%)

$34,177 + $36,315

$70,492

2018

$5,590 (+3.2%)

$34,177 + $36,315

$70,492

2017

$5,415 (+3.4%)

$26,208 + $38,268

$64,476

2016

$5,237 (+5.6%)

$26,208 + $38,268

$64,476

2015

$4,959 (+11.0%)

$24,198 + $36,306

$60,504

2014

$4,466 (+2.2%)

$23,641 + $28,314

$51,955

2013

$4,368 (+7.0%)

$23,641 + $28,314

$51,955

2012

$4,081 (+0.9%)

$23,641 + $28,314

$51,955

2011

$4,045 (+2.2%)

$18,706 + $30,009

$48,715

2010

$3,956 (+7.1%)

$18,706 + $30,009

$48,715

2009

$3,694

$29,450 + $19,500

$48,950

*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

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

3,450 Sq. Ft.

Year renovated

1984

Sq. Ft.

1,662

Year built

1984

Style

Single Family Residential

County

Boulder County

APN

R0089427

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

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: 1
Garage: Yes
Garage Spaces: 1
Parking Features: Alley Access

Interior

Bathroom Information
Bathrooms (Full): 1
Bathrooms (Half): 0
Bathrooms (Three Quarter): 1

Bedroom Information
Bedrooms Total: 2

Heating & Cooling
Cooling: Yes
Central Air, Whole House Fan
Heating: Yes
Forced Air, Radiant

Interior Features
Gas Range/Oven, Self Cleaning Oven, Dishwasher, Refrigerator, Washer, Dryer
Flooring: Wood Floors
Study Area, Separate Dining Room, Cathedral/Vaulted Ceilings, Open Floorplan, Sun Space
Laundry Features: Washer/Dryer Hookups

Room Information
Basement: None

Exterior

Exterior Features
Fencing: Partial, Fenced, Wood
Patio and Porch Features: Patio, Deck
Roof: Composition

Land Information
Road Surface Type: Gravel

Lot Information
Horse(s): No
Lot Features: Lawn Sprinkler System
Other Structures: Storage
Road Frontage Type: Alley
Zoning: LRE

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

Subdivision Information
Subdivision Name: Boulder East
MLS Area Major: Boulder

Building Information
Above Grade Finished Area: 1662
Building Area Total: 1662
Construction Materials: Wood/Frame

Financial

Tax Information
Parcel Number: R0089427
Tax Annual Amount: 2967
Tax Year: 2006

Financial Information
Listing Terms: Cash, Conventional

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: 0

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

Location Information
Directions: Mapleton east from Broadway to 21st St go north 1/2 block to alley.
Unparsed Address: 2109 Mapleton Ave Boulder CO 80304
Street Number: 2109
Street Name: Mapleton
Street Suffix: Ave
City: Boulder
State or Province: CO
County or Parish: Boulder
Country: US
Postal Code: 80304
Coordinates: -105.268997,40.023392
Latitude: 40.023392
Longitude: -105.268997

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,662
Stories: —
Lot Size: 3,450 square feet
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1984
County: Boulder County
APN: R0089427

Home facts updated by county records on Sep 2, 2026

Other

Documents & Disclosures
Documents Available: Legal Description Available
Documents Count: 1

Listing Information
Attribution Contact: 3034497000
Close Price: $675,000
Photos Count: 1
Possible Use: Single Family
Special Listing Conditions: Private Owner
Standard Status: Closed

Listing Date Information
Close Date: Monday, June 11, 2007
Cumulative Days on Market: 54
Days on Market: 54
Listing Contract Date: Thursday, April 19, 2007
Modification Timestamp: Wednesday, July 24, 2024 7:36 PM

Home Information
Direction Faces: South
Levels: Two
Window Features: Wood Frames, Skylight(s), Double Pane Windows, Storm Window(s)
Year Built: 1984

Green Information
Green Energy Efficient: Southern Exposure

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

$1.27M – $1.53M

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New listings for sale in 80304

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Home values near 2109 Mapleton Ave

Data from public records.

Address	Redfin Estimate
2104 Mapleton Avenue, Boulder, CO 3 Beds \| 3.5 Baths \| 2998 Sq. Ft.	$2,076,132
2120 Mapleton Avenue, Boulder, CO 3 Beds \| 2 Baths \| 1698 Sq. Ft.	$1,308,687

Address	Redfin Estimate
2045 Mapleton Avenue, Boulder, CO 4 Beds \| 4 Baths \| 3771 Sq. Ft.	$1,991,285
2053 Mapleton Avenue, Boulder, CO 3 Beds \| 2.5 Baths \| 1716 Sq. Ft.	$1,752,320

Address	Redfin Estimate
2103 Mapleton Avenue, Boulder, CO 3 Beds \| 2 Baths \| 1517 Sq. Ft.	$1,062,633
2129 Mapleton Avenue, Boulder, CO 3 Beds \| 2 Baths \| 1767 Sq. Ft.	$1,206,843

Property information provided by IRES as Distributed by MLS Grid when last listed in 2007. 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 2109 Mapleton Ave

Tax history for 2109 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 2109 Mapleton Ave

More real estate resources