OFF MARKET

Off Market Aug 2019 for $2.8M

$3,438,785

Est. refi paymentEst. refi $18,828/mo

•

3,186

sq ft

640 Mapleton Ave, Boulder, CO 80304

About this home

Public Remarks: This meticulously restored and remodeled home is one of the finest remodeled homes on Mapleton Hill. Features include a stunning chef's kitchen, luxury master suite, formal dining & family rooms, & main floor office. Recently expanded & completely remodeled w/ Boulder architect Lisa Egger & renowned builder Sugarloaf, this level of construction quality & detail is rarely seen in Boulder. Incredible landscaped yard & gardens, w/custom patio & outdoor fireplace. Heated detached garage or studio.

Single-familyProperty Type

1909Year Built

6,892 sq ftLot Size

$1,079Est. Price/Sq.Ft.

1 car garageParking

Listed by Zachary Zeldner • Compass - Boulder

Contact: 3034875472

Bought with Danya Rivlin • Live West Realty

•303-800-9601 (broker)

•sales@fourstarrealty.com (broker)

Redfin checked: 2 minutes ago

•Source:IRES as Distributed by MLS Grid #877398

Redfin Estimate

$3,438,785

$589K since sold in August 2019$12K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 56.1% higher than the average sale price ($2.20M) of 6 comparable homes.

SOLD MAY 29, 2026
$3,200,000
A
3 beds3.5 baths2,384 sq ft
615 Spruce St, Boulder, CO 80302
SOLD AUG 14, 2026
990 Grandview Ave, Boulder, CO 80302
$1,100,000
B
2 beds2 baths2,955 sq ft
990 Grandview Ave, Boulder, CO 80302
SOLD AUG 27, 2026
$3,295,000
C
4 beds3 baths2,463 sq ft
1013 Mapleton Ave, Boulder, CO 80304
SOLD JUL 22, 2026
$1,620,000
D
3 beds3 baths2,538 sq ft
315 Evergreen Ave, Boulder, CO 80304
SOLD JUL 2, 2026
$2,400,000
E
3 beds3.5 baths3,272 sq ft
2236 17th St, Boulder, CO 80302
SOLD JUN 1, 2026
$1,600,000
F
3 beds2 baths1,800 sq ft
653 Dewey Ave, Boulder, CO 80304
Trelora Realty, Inc.

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Earn from this home

Sell

$1,283,314

Est. take-home

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Refinance

Est. cash available

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Rent

$5,949/mo

Redfin rental estimate

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Market trends in 80302, CO

Last updated August 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

95.3%

0.4% MoM

Median sale price

$1.1M

$64K MoM

Avg. days on market

64d

4 days MoM

Recently sold homes

4 MoM

New listings for sale

OPEN SUN, 1PM TO 3PM
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3D & VIDEO TOUR
$1,599,000
3 beds3 baths2,220 sq ft
1969 Joslyn Ct, Boulder, CO 80304
VIDEO TOUR
$1,050,000
Studio2 baths2,548 sq ft
3090 7th St, Boulder, CO 80304
Kristin Geesey • Iconic Colorado Properties, LLC
3D WALKTHROUGH
$1,675,000
5 beds3 baths2,318 sq ft
1464 Sumac Ave, Boulder, CO 80304
TR Swanwick • The Agency - Boulder
OPEN SUN, 1PM TO 4PM
$1,300,000
3 beds2.5 baths2,435 sq ft
3955 Broadway St, Boulder, CO 80304
VIDEO TOUR
$2,800,000
3 beds3 baths4,438 sq ft
543 Linden Park Dr, Boulder, CO 80304
OPEN SUN, 11AM TO 1PM
$438,000
1 bed1 bath622 sq ft
4655 13th St, Boulder, CO 80304
OPEN SUN, 10AM TO 12PM
$1,499,000
3 beds3.5 baths3,131 sq ft
15 Arrowleaf Ct, Boulder, CO 80304
$2,395,000
5 beds4.5 baths3,649 sq ft
4165 17th St, Boulder, CO 80304
$247,926
3 beds2 baths1,443 sq ft
903 Rosewood Ave, Boulder, CO 80304
Khem Chauhan • 303 Living LLC
See all

Provided by Redfin

Sale history for 640 Mapleton Ave

Date

Event

Price

IRES as Distributed by MLS Grid #877398

Aug 28, 2019

Sold

$2,850,000

$895/sq ft

Aug 1, 2019

Contingent

—

May 24, 2019

Price Changed

$2,995,000

$940/sq ft

Apr 11, 2019

Listed

$3,395,000

$1,066/sq ft

IRES as Distributed by MLS Grid #6004652

Aug 28, 2019

Sold

$2,850,000

$895/sq ft

Aug 1, 2019

Pending

—

May 24, 2019

Price Changed

$2,995,000

$940/sq ft

Apr 11, 2019

Price Changed

$3,395,000

$1,066/sq ft

Feb 10, 2019

Listed

$3,599,000

$1,130/sq ft

Feb 10, 2019

Listed

$2,995,000

$940/sq ft

IRES as Distributed by MLS Grid #871531

Apr 11, 2019

Listing Removed

—

Feb 5, 2019

Listed

$3,599,000

$1,130/sq ft

IRES as Distributed by MLS Grid #857357

Dec 28, 2018

Listing Removed

—

Sep 26, 2018

Price Changed

$3,750,000

$1,177/sq ft

Jul 25, 2018

Listed

$4,000,000

$1,255/sq ft

REColorado as Distributed by MLS Grid #6388296

Dec 28, 2018

Listing Removed

—

Sep 26, 2018

Price Changed

$3,750,000

$1,177/sq ft

Jul 25, 2018

Listed

$4,000,000

$1,255/sq ft

IRES as Distributed by MLS Grid #422279

Aug 31, 2004

Listing Removed

—

Aug 3, 2004

Listed

$1,075,000

$337/sq ft

IRES as Distributed by MLS Grid #358892

Jan 31, 2003

Sold

$937,000

$294/sq ft

Dec 6, 2002

Listed

$949,000

$298/sq ft

Public Records

Aug 21, 1984

Sold

$235,000

$74/sq ft

Public Records

Nov 26, 1973

Sold

$64,500

$20/sq ft

Join or sign in to view all info

Year

Property tax

Land + Additions

Assessment*

2025

$20,850 (+2.4%)

$102,050 + $116,619

$218,669

2024

$20,356 (+1.8%)

$102,050 + $116,619

$218,669

2023

$20,002 (+0.4%)

$100,922 + $130,697

$231,619

2022

$19,918 (+4.9%)

$104,607 + $130,697

$235,304

2021

$18,993 (+21.2%)

$78,945 + $135,539

$214,484

2020

$15,673 (+1.6%)

$81,217 + $139,439

$220,656

2019

$15,433 (+9.5%)

$75,218 + $104,833

$180,051

2018

$14,093 (+3.2%)

$75,218 + $104,833

$180,051

2017

$13,652 (+9.9%)

$68,040 + $94,507

$162,547

2016

$12,427 (+5.6%)

$68,040 + $94,507

$162,547

2015

$11,768 (+28.2%)

$59,620 + $83,946

$143,566

2014

$9,181 (+2.2%)

$38,526 + $68,265

$106,791

2013

$8,979 (−5.9%)

$38,526 + $68,265

$106,791

2012

$9,542 (+0.9%)

$38,526 + $68,265

$106,791

2011

$9,458 (+8.5%)

$30,248 + $83,660

$113,908

2010

$8,718 (+7.1%)

$30,248 + $83,660

$113,908

2009

$8,141

$47,760 + $60,110

$107,870

Tax history for 640 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$20,850 (+2.4%)

$102,050 + $116,619

$218,669

2024

$20,356 (+1.8%)

$102,050 + $116,619

$218,669

2023

$20,002 (+0.4%)

$100,922 + $130,697

$231,619

2022

$19,918 (+4.9%)

$104,607 + $130,697

$235,304

2021

$18,993 (+21.2%)

$78,945 + $135,539

$214,484

2020

$15,673 (+1.6%)

$81,217 + $139,439

$220,656

2019

$15,433 (+9.5%)

$75,218 + $104,833

$180,051

2018

$14,093 (+3.2%)

$75,218 + $104,833

$180,051

2017

$13,652 (+9.9%)

$68,040 + $94,507

$162,547

2016

$12,427 (+5.6%)

$68,040 + $94,507

$162,547

2015

$11,768 (+28.2%)

$59,620 + $83,946

$143,566

2014

$9,181 (+2.2%)

$38,526 + $68,265

$106,791

2013

$8,979 (−5.9%)

$38,526 + $68,265

$106,791

2012

$9,542 (+0.9%)

$38,526 + $68,265

$106,791

2011

$9,458 (+8.5%)

$30,248 + $83,660

$113,908

2010

$8,718 (+7.1%)

$30,248 + $83,660

$113,908

2009

$8,141

$47,760 + $60,110

$107,870

*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

6,892 Sq. Ft.

Year renovated

1995

Sq. Ft.

2,922

Year built

1909

Style

Single Family Residential

County

Boulder County

APN

R0003051

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

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): 2

Bedroom Information
Bedrooms Total: 3

Heating & Cooling
Cooling: Yes
Central Air
Heating: Yes
Radiant

Interior Features
Gas Range/Oven, Dishwasher, Refrigerator, Washer, Dryer
Fireplace: Yes
Fireplace Features: 2+ Fireplaces, Family/Recreation Room Fireplace, Primary Bedroom
Flooring: Wood Floors
Study Area, Separate Dining Room, Cathedral/Vaulted Ceilings, Pantry, Kitchen Island
Laundry Features: Washer/Dryer Hookups, Upper Level

Room Information
Basement: Partial

Exterior

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

Land Information
Road Surface Type: Paved, Asphalt

Lot Information
Horse(s): No
Lot Features: Curbs, Gutters, Sidewalks, Lawn Sprinkler System, Level, Historic District
Other Structures: Storage
Road Frontage Type: City Street, Alley
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: 2922
Below Grade Finished Area: 264
Builder Name: Sugarloaf
Building Area Total: 2922
Construction Materials: Brick/Brick Veneer

Financial

Tax Information
Parcel Number: R0003051
Tax Annual Amount: 14093
Tax Year: 2018

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

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

Location Information
Directions: From Mapleton & 9th, West on Mapleton to 640 Mapleton. Located on the south side of Mapleton.
Unparsed Address: 640 Mapleton Ave Boulder CO 80304
Street Number: 640
Street Name: Mapleton
Street Suffix: Ave
City: Boulder
State or Province: CO
County or Parish: Boulder
Country: US
Postal Code: 80304
Coordinates: -105.28769,40.02017
Latitude: 40.02017
Longitude: -105.28769

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 2,922
Stories: —
Lot Size: 6,892 square feet
Style: Single Family Residential
Year Built: 1909
Year Renovated: 1995
County: Boulder County
APN: R0003051

Home facts updated by county records on Sep 2, 2026

Other

Listing Information
Attribution Contact: 3034875472
Close Price: $2,850,000
Photos Count: 40
Possible Use: Single Family
Special Listing Conditions: Private Owner
Standard Status: Closed

Listing Date Information
Close Date: Wednesday, August 28, 2019
Cumulative Days on Market: 400
Days on Market: 140
Listing Contract Date: Thursday, April 11, 2019
Modification Timestamp: Wednesday, July 31, 2024 6:33 AM

Home Information
Levels: Two
Window Features: Window Coverings, Skylight(s)
Year Built: 1909

Green Information
Green Energy Efficient: Southern Exposure

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 1.0mi

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

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

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

$3.27M – $3.96M

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OPEN SUN, 10AM TO 12PM3D WALKTHROUGH

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Home values near 640 Mapleton Ave

Data from public records.

Address	Redfin Estimate
617 Mapleton Ave, Boulder, CO 4 Beds \| 5.5 Baths \| 4052 Sq. Ft.	$4,765,591
712 Mapleton Ave, Boulder, CO 3 Beds \| 1.5 Baths \| 2642 Sq. Ft.	$2,002,929

Address	Redfin Estimate
625 Mapleton Ave, Boulder, CO 4 Beds \| 2.5 Baths \| 3554 Sq. Ft.	$3,280,146
735 Mapleton Ave, Boulder, CO 5 Beds \| 3.5 Baths \| 4508 Sq. Ft.	$3,945,248

Address	Redfin Estimate
711 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 2666 Sq. Ft.	$1,581,952
642 Mapleton Ave, Boulder, CO 5 Beds \| 4.5 Baths \| 4847 Sq. Ft.	$3,476,610

Property information provided by IRES as Distributed by MLS Grid when last listed in 2019. 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 80302, CO

Sale history for 640 Mapleton Ave

Tax history for 640 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 640 Mapleton Ave

More real estate resources