Google street view image for 1515 Mapleton Ave, Boulder, CO 80304

Off market mar 1970 for $21K

$1,693,580

Est. refi paymentEst. refi $151/mo

•

2 ba

•

2,278

sq ft

1515 Mapleton Ave, Boulder, CO 80304

About this home

1515 Mapleton Ave is a 2,278 square foot house on a 6,894 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on March 10, 1970 for $21,700. Based on Redfin's Boulder data, we estimate the home's value is $1,693,580.

Single-familyProperty Type

1909Year Built

6,894 sq ftLot Size

$743Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,693,580

$1.7M since sold in March 1970$4,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.6% lower than the average sale price ($1.70M) of 5 comparable homes.

SOLD JUN 5, 2026
$1,980,000
A
3 beds2 baths2,160 sq ft
2106 Mapleton Ave, Boulder, CO 80304
SOLD OCT 5, 2026
$2,160,000
B
3 beds2 baths2,982 sq ft
1505 Mapleton Ave, Boulder, CO 80304
SOLD BY REDFIN JUN 30, 2026
$1,450,000
C
3 beds2 baths1,620 sq ft
826 Maxwell Ave, Boulder, CO 80304
Listing provided by metrolistCO
SOLD SEP 29, 2026
$1,825,000
D
4 beds2.5 baths2,161 sq ft
2850 6th St, Boulder, CO 80304
SOLD AUG 14, 2026
990 Grandview Ave, Boulder, CO 80302
$1,100,000
E
2 beds2 baths2,955 sq ft
990 Grandview Ave, Boulder, CO 80302

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Earn from this home

Sell

$1,594,284

Est. take-home

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Refinance

Est. cash available

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Rent

$4,097/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

NEW 2 HRS AGO
$768,000
3 beds2 baths1,552 sq ft
1683 Yellow Pine Ave, Boulder, CO 80304
COMING SOON
$949,000
3 beds3 baths1,816 sq ft
1219 Linden Ave, Boulder, CO 80304
NEW 26 HRS AGO
$2,189,200
3 beds2.5 baths3,368 sq ft
316 Pine Tree Ln, Boulder, CO 80304
$4,975,000
5 beds6 baths4,687 sq ft
661 Maxwell Ave, Boulder, CO 80304
Karolyn Merrill • RE/MAX of Boulder
$4,995,000
4 beds4.5 baths3,633 sq ft
516 Maxwell Ave, Boulder, CO 80304
$1,985,000
4 beds4 baths3,358 sq ft
2117 Jordan Pl, Boulder, CO 80304
$425,000
1 bed1 bath469 sq ft
3025 Broadway St #18, Boulder, CO 80304
$165,000
3 beds2 baths1,184 sq ft
4500 19 St #623, Boulder, CO 80304
Diana Keck • Keck Real Estate
$850,000
3 beds1.5 baths1,332 sq ft
4065 Dawn Ct, Boulder, CO 80304
$2,250,000
5 beds4 baths3,926 sq ft
3979 Springleaf Ln, Boulder, CO 80304
Janet Leap • RE/MAX of Boulder
See all

Provided by Redfin

Sale history for 1515 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$11,332 (+1.3%)

$75,338 + $49,763

$125,101

2024

$11,185 (+1.8%)

$75,338 + $49,763

$125,101

2023

$10,991 (+22.7%)

$75,361 + $58,612

$133,973

2022

$8,961 (+4.9%)

$79,047 + $58,612

$137,659

2021

$8,545 (+14.2%)

$60,006 + $43,444

$103,450

2020

$7,484 (+1.6%)

$61,733 + $44,695

$106,428

2019

$7,370 (+8.9%)

$53,697 + $39,432

$93,129

2018

$6,766 (+3.2%)

$53,697 + $39,432

$93,129

2017

$6,554 (+12.1%)

$40,464 + $44,777

$85,241

2016

$5,845 (+5.6%)

$40,464 + $44,777

$85,241

2015

$5,535 (+14.3%)

$35,581 + $39,911

$75,492

2014

$4,841 (+2.2%)

$31,522 + $32,747

$64,269

2013

$4,735 (+16.0%)

$31,522 + $32,747

$64,269

2012

$4,081 (−13.3%)

$31,522 + $32,747

$64,269

2011

$4,706 (−8.2%)

$26,109 + $30,566

$56,675

2010

$5,124 (+7.1%)

$26,109 + $30,566

$56,675

2009

$4,785

$40,280 + $23,120

$63,400

Tax history for 1515 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$11,332 (+1.3%)

$75,338 + $49,763

$125,101

2024

$11,185 (+1.8%)

$75,338 + $49,763

$125,101

2023

$10,991 (+22.7%)

$75,361 + $58,612

$133,973

2022

$8,961 (+4.9%)

$79,047 + $58,612

$137,659

2021

$8,545 (+14.2%)

$60,006 + $43,444

$103,450

2020

$7,484 (+1.6%)

$61,733 + $44,695

$106,428

2019

$7,370 (+8.9%)

$53,697 + $39,432

$93,129

2018

$6,766 (+3.2%)

$53,697 + $39,432

$93,129

2017

$6,554 (+12.1%)

$40,464 + $44,777

$85,241

2016

$5,845 (+5.6%)

$40,464 + $44,777

$85,241

2015

$5,535 (+14.3%)

$35,581 + $39,911

$75,492

2014

$4,841 (+2.2%)

$31,522 + $32,747

$64,269

2013

$4,735 (+16.0%)

$31,522 + $32,747

$64,269

2012

$4,081 (−13.3%)

$31,522 + $32,747

$64,269

2011

$4,706 (−8.2%)

$26,109 + $30,566

$56,675

2010

$5,124 (+7.1%)

$26,109 + $30,566

$56,675

2009

$4,785

$40,280 + $23,120

$63,400

*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

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

Interior

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

Heating & Cooling
Heating Type: Hot Water

Room Information
# of Rooms: 8

Exterior

Exterior Information
Physical Condition: Good
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Frame Wood
Roof Covering Type: Asphalt
Roof Shape Type: Asphalt
Building Type: Single Family

Property Information
Subdivision Name: BOULDER O T EAST & WEST & NORTH
Living Sq. Ft: 2,278
Ground Floor Sq. Ft: 1,098
Building Sq. Ft: 2,278
Stories Type: 2 Plus
Legal Description: S 100 FT LOT 2 & W 17.88 FT OF S 1/2 LOT 3 BLK 16 BOULDER NORTH

Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 420
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 6,894
Legal Lot Number: 2
Legal Block Number: 16
Municipality Name: BOULDER
Acres: 0.1583
County Use Description: 1 FAMILY RESID

Financial

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

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 2,278
Stories: —
Lot Size: 6,894 square feet
Style: Single Family Residential
Year Built: 1909
Year Renovated: 1980
County: Boulder County
APN: R0002273

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 0.4mi

6/10

Casey Middle School

Public 6-8 • Assigned • 0.2mi

5/10

Boulder High School

Public 9-12 • Assigned • 0.6mi

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

$1.61M – $1.95M

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Nearby similar homes

$4,975,000

5 beds6 baths4,687 sq ft

661 Maxwell Ave, Boulder, CO 80304

Karolyn Merrill • RE/MAX of Boulder

3D WALKTHROUGH

$445,000

2 beds1.5 baths1,102 sq ft

3161 Madison Ave Unit N-107, Boulder, CO 80303

3D WALKTHROUGH

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4 beds5 baths4,108 sq ft

2237 4th St, Boulder, CO 80302

Trenton Stringari • Genesis Realty

3D & VIDEO TOUR

$2,687,500

3 beds3.5 baths3,218 sq ft

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FOR SALE BY OWNER

$248,000

1 bed1 bath548 sq ft

2606 Juniper Ave, Boulder, CO 80304

$1,250,000

4 beds2.5 baths1,554 sq ft

2621 Thornbird Pl, Boulder, CO 80304

New listings for sale in 80304

NEW 2 HRS AGO

$768,000

3 beds2 baths1,552 sq ft

1683 Yellow Pine Ave, Boulder, CO 80304

COMING SOON

$949,000

3 beds3 baths1,816 sq ft

1219 Linden Ave, Boulder, CO 80304

NEW 26 HRS AGO

$2,189,200

3 beds2.5 baths3,368 sq ft

316 Pine Tree Ln, Boulder, CO 80304

$4,975,000

5 beds6 baths4,687 sq ft

661 Maxwell Ave, Boulder, CO 80304

Listing provided by REColorado as Distributed by MLS Grid

$4,995,000

4 beds4.5 baths3,633 sq ft

516 Maxwell Ave, Boulder, CO 80304

$1,985,000

4 beds4 baths3,358 sq ft

2117 Jordan Pl, Boulder, CO 80304

$425,000

1 bed1 bath469 sq ft

3025 Broadway St #18, Boulder, CO 80304

$165,000

3 beds2 baths1,184 sq ft

4500 19 St #623, Boulder, CO 80304

Listing provided by REColorado as Distributed by MLS Grid

$850,000

3 beds1.5 baths1,332 sq ft

4065 Dawn Ct, Boulder, CO 80304

Home values near 1515 Mapleton Ave

Data from public records.

Address	Redfin Estimate
1437 Mapleton Ave, Boulder, CO 4 Beds \| 3.5 Baths \| 2792 Sq. Ft.	$1,615,504
1419 Mapleton Ave, Boulder, CO 18 Beds \| 6 Baths \| 3784 Sq. Ft.	$3,463,560

Address	Redfin Estimate
1528 Mapleton Ave, Boulder, CO 6 Beds \| 3 Baths \| 2641 Sq. Ft.	$2,084,966
1505 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 2982 Sq. Ft.	$2,281,395

Address	Redfin Estimate
1443 Mapleton Ave, Boulder, CO 2 Beds \| 2 Baths \| 1397 Sq. Ft.	$1,400,550
1521 Mapleton Ave, Boulder, CO 3 Beds \| 5 Baths \| 3064 Sq. Ft.	$2,550,079

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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 1515 Mapleton Ave

Tax history for 1515 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 1515 Mapleton Ave

More real estate resources