Google street view image for 1001 Mapleton Ave, Boulder, CO 80304

Off market mar 1992 for $685K

$4,895,246

Est. refi paymentEst. refi $4,752/mo

•

3.5 ba

•

5,849

sq ft

1001 Mapleton Ave, Boulder, CO 80304

About this home

1001 Mapleton Ave is a 5,849 square foot house on a 0.4 acre lot with 5 bedrooms and 3.5 bathrooms. - it last sold on March 30, 1992 for $685,000. Based on Redfin's Boulder data, we estimate the home's value is $4,895,246.

Single-familyProperty Type

1904Year Built

0.4 acresLot Size

$837Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$4,895,246

$4.2M since sold in March 1992$67K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 82.5% higher than the average sale price ($2.68M) of 6 comparable homes.

SOLD AUG 27, 2026
$3,295,000
A
4 beds3 baths2,463 sq ft
1013 Mapleton Ave, Boulder, CO 80304
SOLD JUN 12, 2026
$1,544,000
B
4 beds3 baths2,484 sq ft
1020 Portland Pl, Boulder, CO 80304
SOLD FEB 25, 2026
$2,700,000
C
4 beds3 baths3,675 sq ft
625 Concord Ave, Boulder, CO 80304
SOLD JUL 15, 2026
2230 Knollwood Dr, Boulder, CO 80302
$3,750,000
D
4 beds3 baths4,046 sq ft
2230 Knollwood Dr, Boulder, CO 80302
SOLD SEP 1, 2026
$2,150,000
E
4 beds2.5 baths2,680 sq ft
1730 Bluff St, Boulder, CO 80304
SOLD MAY 1, 2026
$2,651,475
F
5 beds4 baths3,549 sq ft
2449 5th St, Boulder, CO 80304

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Earn from this home

Sell

$4,612,174

Est. take-home

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Refinance

Est. cash available

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Rent

$7,519/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

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3D WALKTHROUGH
$1,399,000
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OPEN OCT 24, 10:30AM TO 12:30PM
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See all

Provided by Redfin

Sale history for 1001 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$33,965 (+2.7%)

$162,663 + $199,800

$362,463

2024

$33,068 (+1.8%)

$162,663 + $199,800

$362,463

2023

$32,494 (+10.9%)

$163,058 + $219,907

$382,965

2022

$29,298 (+4.9%)

$166,743 + $219,907

$386,650

2021

$27,938 (+13.2%)

$125,837 + $196,609

$322,446

2020

$24,679 (+1.6%)

$129,458 + $202,266

$331,724

2019

$24,301 (+8.6%)

$120,764 + $169,906

$290,670

2018

$22,374 (+3.2%)

$120,764 + $169,906

$290,670

2017

$21,674 (+20.3%)

$109,296 + $155,967

$265,263

2016

$18,011 (+5.6%)

$109,296 + $155,967

$265,263

2015

$17,056 (+12.7%)

$95,838 + $120,196

$216,034

2014

$15,131 (+2.3%)

$55,720 + $120,276

$175,996

2013

$14,798 (−3.8%)

$55,720 + $120,276

$175,996

2012

$15,390 (+0.9%)

$55,720 + $120,276

$175,996

2011

$15,255 (+3.5%)

$54,685 + $129,032

$183,717

2010

$14,744 (+7.1%)

$54,685 + $129,032

$183,717

2009

$13,767

$59,100 + $123,320

$182,420

Tax history for 1001 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$33,965 (+2.7%)

$162,663 + $199,800

$362,463

2024

$33,068 (+1.8%)

$162,663 + $199,800

$362,463

2023

$32,494 (+10.9%)

$163,058 + $219,907

$382,965

2022

$29,298 (+4.9%)

$166,743 + $219,907

$386,650

2021

$27,938 (+13.2%)

$125,837 + $196,609

$322,446

2020

$24,679 (+1.6%)

$129,458 + $202,266

$331,724

2019

$24,301 (+8.6%)

$120,764 + $169,906

$290,670

2018

$22,374 (+3.2%)

$120,764 + $169,906

$290,670

2017

$21,674 (+20.3%)

$109,296 + $155,967

$265,263

2016

$18,011 (+5.6%)

$109,296 + $155,967

$265,263

2015

$17,056 (+12.7%)

$95,838 + $120,196

$216,034

2014

$15,131 (+2.3%)

$55,720 + $120,276

$175,996

2013

$14,798 (−3.8%)

$55,720 + $120,276

$175,996

2012

$15,390 (+0.9%)

$55,720 + $120,276

$175,996

2011

$15,255 (+3.5%)

$54,685 + $129,032

$183,717

2010

$14,744 (+7.1%)

$54,685 + $129,032

$183,717

2009

$13,767

$59,100 + $123,320

$182,420

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

Zoning and permits

Zoning
Permits

RL-1

Residential-Low 1 District

Primarily single-family detached dwelling units with some duplexes and attached dwelling units at low to very low residential densities.

Permitted uses

Include but are not limited to:

Religious facility
Housing-Multiple units
Educational/school
Recreation
Agriculture-Cropland
Park & open space

Property details

Interior

Basement Information
Basement Sq. Ft: 1,440
Basement Finish: Finished
Basement Type: Finished

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

Heating & Cooling
Heating Type: Hot Water

Room Information
# of Rooms: 14

Exterior

Exterior Information
Physical Condition: Excellent
Construction Type: Masonry
Building Construction Quality: Excellent
Exterior Wall: Block/Brick
Roof Covering Type: Asphalt
Roof Shape Type: Asphalt
Building Type: Single Family

Property Information
Living Sq. Ft: 5,849
Ground Floor Sq. Ft: 2,204
Building Sq. Ft: 5,849
Stories Type: 2 Plus
Legal Description: TR 326 25-1N-71 & LOTS 25 & 26 BLK 1 MAPLETON

Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 676
Garage / Carport Type: Detached

Lot Information
# of Buildings: 2
Land Sq. Ft: 17,511
Legal Lot Number: 25
Legal Block Number: 1
Municipality Name: BOULDER
Acres: 0.402
County Use Description: 1 FAMILY RESID

Financial

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

Public facts

Beds: 5
Baths: 3.5
Sq. Ft.: 5,849
Stories: —
Lot Size: 0.4 acres
Style: Single Family Residential
Year Built: 1904
Year Renovated: 2000
County: Boulder County
APN: R0004962

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 0.8mi

6/10

Casey Middle School

Public 6-8 • Assigned • 0.3mi

5/10

Boulder High School

Public 9-12 • Assigned • 0.7mi

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

$4.65M – $5.63M

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Redfin Corporation

New listings for sale in 80304

OPEN SUN, 1PM TO 3PM3D WALKTHROUGH

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NEW 19 HRS AGOVIDEO TOUR

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3D WALKTHROUGH

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3745 Birchwood Dr #34, Boulder, CO 80304

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Gregory Pickett • Compass - Denver

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Home values near 1001 Mapleton Ave

Data from public records.

Address	Redfin Estimate
1014 Mapleton Ave, Boulder, CO 5 Beds \| 4.5 Baths \| 5358 Sq. Ft.	$6,506,036
1013 Mapleton Ave, Boulder, CO 4 Beds \| 3 Baths \| 2463 Sq. Ft.	$3,195,734

Address	Redfin Estimate
909 Mapleton Ave, Boulder, CO 5 Beds \| 4 Baths \| 5118 Sq. Ft.	$3,489,470
1025 Mapleton Ave, Boulder, CO 3 Beds \| 3 Baths \| 2150 Sq. Ft.	$2,403,304

Address	Redfin Estimate
936 Mapleton Ave, Boulder, CO 4 Beds \| 2 Baths \| 2626 Sq. Ft.	$3,282,316
928 Mapleton Ave, Boulder, CO 3 Beds \| 2.5 Baths \| 2316 Sq. Ft.	$2,331,757

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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 1001 Mapleton Ave

Tax history for 1001 Mapleton Ave

Zoning and permits

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 1001 Mapleton Ave

More real estate resources