OFF MARKET

Off market dec 2020 for $1.5M

$2,006,148

Est. refi paymentEst. refi $10,518/mo

•

2,358

sq ft

1718 Mapleton Ave, Boulder, CO 80304

About this home

Public Remarks: Boulder Victorian Charm home on iconic Mapleton street with an attached apartment for rental, nanny etc. Enjoy the best of downtown Boulder with this turn of the century home full of old style charm but with lots of updates. Large open kitchen with concrete counters, large viking gas stove. Adjacent covered and screened porch to enjoy coffee with views of the flatirons. Master bedroom with a deck facing the foothills and large vaulted ceilings. All newer windows. Upstairs has a new remodeled guest bath. Lower level apartment with separate entrance equipped with full kitchen, bedroom and living room. Separate Elec. meter. Large backyard with new flagstone patio, garden beds, and a detached 2 car garage too (huge upper studio/loft expansion opportunity). Easy to show and a great downtown living situation with rental opportunity too.

Single-familyProperty Type

1910Year Built

5,886 sq ftLot Size

$851Est. Price/Sq.Ft.

2 car garageParking

Listed by Erik Boye • 8z Real Estate

Listed by Stephen Remmert • Compass Colorado, LLC - Boulder

Contact: 303-543-3083

Bought with IRES Agent Non-REcolorado • NON MLS PARTICIPANT

•303-850-9576 (broker)

•noemail@noemail.com (broker)

Redfin checked: 2 minutes ago

•Source:IRES as Distributed by MLS Grid #6818819

Redfin Estimate

$2,006,148

$446K since sold in December 2020$1,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.2% lower than the average sale price ($2.23M) of 6 comparable homes.

SOLD JUN 18, 2026
$1,675,000
A
3 beds3.5 baths2,224 sq ft
804 Dewey Ave, Boulder, CO 80304
SOLD JUN 5, 2026
$1,980,000
B
3 beds2 baths2,160 sq ft
2106 Mapleton Ave, Boulder, CO 80304
SOLD AUG 27, 2026
$3,295,000
C
4 beds3 baths2,463 sq ft
1013 Mapleton Ave, Boulder, CO 80304
SOLD JUL 2, 2026
$2,400,000
D
3 beds3.5 baths3,272 sq ft
2236 17th St, Boulder, CO 80302
SOLD DEC 23, 2025
$1,900,000
E
4 beds4 baths2,742 sq ft
1922 Grove St, Boulder, CO 80302
SOLD OCT 5, 2026
$2,160,000
F
3 beds2 baths2,982 sq ft
1505 Mapleton Ave, Boulder, CO 80304

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Earn from this home

Sell

$782,910

Est. take-home

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Refinance

Est. cash available

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Rent

$5,650/mo

Redfin rental estimate

List your home for rent

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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$949,000
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NEW 26 HRS AGO
$270,000
2 beds1 bath792 sq ft
2707 Valmont Rd Unit 311D, Boulder, CO 80304
COMING SOON
$1,600,000
4 beds3 baths3,215 sq ft
626 Poplar Ave, Boulder, CO 80304
$768,000
3 beds2 baths1,552 sq ft
1683 Yellow Pine Ave, Boulder, CO 80304
$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
$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
See all

Provided by Redfin

Sale history for 1718 Mapleton Ave

Date

Event

Price

APPFOLIO #1

May 14, 2025

Rental Removed

$5,045

$2/sq ft

May 7, 2025

Listed for Rent

$5,045

$2/sq ft

IRES as Distributed by MLS Grid #926975

Dec 29, 2020

Sold

$1,560,000

$662/sq ft

Nov 4, 2020

Contingent

—

Oct 19, 2020

Listed

$1,590,000

$674/sq ft

+35

Public Remarks

Charming Boulder Victorian home on iconic Mapleton street just blocks from Pearl Street shops & restaurants with quintessential Flatiron views! Offering the best of both worlds, this home preserves historic architecture complemented with a blend of modern updates including a desirable attached apartment with separate entrance - perfect for rental income, nanny, etc. The functional floor plan features a large open kitchen with viking appliances, exposed brick, wood beams & mini split cooling. The master bedroom includes vaulted ceilings & a private balcony letting in natural light while framing the Foothill views. Newer windows & remodeled bathrooms make this home ready to move right in. The lower level apartment is equipped with a full kitchen, bedroom & living area, all with a separate meter. The backyard includes a new flagstone patio, garden beds & a detached 2 car garage with an upper studio/loft expansion opportunity. Incredible downtown living with bonus rental opportunities!

IRES as Distributed by MLS Grid #6818819

Dec 30, 2020

Sold

$1,560,000

$662/sq ft

Oct 19, 2020

Price Changed

$1,590,000

$674/sq ft

Oct 9, 2020

Listed

$1,650,000

$700/sq ft

Oct 9, 2020

Listed

$1,590,000

$674/sq ft

IRES as Distributed by MLS Grid #925901

Oct 18, 2020

Listing Removed

—

Oct 6, 2020

Listed

$1,650,000

$700/sq ft

REColorado as Distributed by MLS Grid #IR925901

Oct 18, 2020

Listing Removed

—

Oct 6, 2020

Listed

$1,650,000

$700/sq ft

IRES as Distributed by MLS Grid #913659

Oct 1, 2020

Listing Removed

—

Aug 23, 2020

Price Changed

$1,650,000

$700/sq ft

Jul 6, 2020

Price Changed

$1,695,000

$719/sq ft

Jun 1, 2020

Listed

$1,750,000

$742/sq ft

REColorado as Distributed by MLS Grid #IR913659

Sep 30, 2020

Listing Removed

—

Jun 1, 2020

Listed

$1,650,000

$700/sq ft

IRES as Distributed by MLS Grid #4069921

Sep 30, 2020

Listing Removed

—

Aug 23, 2020

Price Changed

$1,650,000

$700/sq ft

Jul 9, 2020

Price Changed

$1,695,000

$719/sq ft

Jun 4, 2020

Price Changed

$1,750,000

$742/sq ft

May 4, 2020

Price Changed

$1,725,000

$732/sq ft

Jan 29, 2020

Listed

$1,750,000

$742/sq ft

Jan 29, 2020

Listed

$1,650,000

$700/sq ft

IRES as Distributed by MLS Grid #902297

May 26, 2020

Listing Removed

—

May 4, 2020

Price Changed

$1,725,000

$732/sq ft

Jan 21, 2020

Listed

$1,750,000

$742/sq ft

REColorado as Distributed by MLS Grid #IR902297

May 26, 2020

Listing Removed

—

Jan 21, 2020

Listed

$1,725,000

$732/sq ft

IRES as Distributed by MLS Grid #745528

Oct 30, 2014

Sold

$1,190,000

$505/sq ft

Sep 25, 2014

Pending

—

Aug 24, 2014

Listed

$1,190,000

$505/sq ft

IRES as Distributed by MLS Grid #237157

Sep 15, 2000

Sold

$615,000

$261/sq ft

Aug 15, 2000

Listed

$625,000

$265/sq ft

Public Records

Apr 1, 1991

Sold

$204,000

$87/sq ft

Public Records

Nov 8, 1984

Sold

$169,000

$72/sq ft

Join or sign in to view all info

Year

Property tax

Land + Additions

Assessment*

2025

$11,669

$61,538 + $59,994

$121,532

2024

$11,668 (+1.8%)

$61,538 + $59,994

$121,532

2023

$11,463 (+18.7%)

$61,118 + $70,745

$131,863

2022

$9,657 (+5.7%)

$64,802 + $70,745

$135,547

2021

$9,137 (+13.5%)

$50,575 + $52,612

$103,187

2020

$8,050 (+1.6%)

$52,031 + $54,126

$106,157

2019

$7,927 (−1.9%)

$44,616 + $47,869

$92,485

2018

$8,084 (+3.2%)

$44,616 + $47,869

$92,485

2017

$7,831 (+17.5%)

$34,200 + $59,040

$93,240

2016

$6,663 (+5.6%)

$34,200 + $59,040

$93,240

2015

$6,310 (+5.9%)

$30,805 + $46,176

$76,981

2014

$5,958 (+2.2%)

$31,522 + $37,786

$69,308

2013

$5,827 (+8.0%)

$31,522 + $37,786

$69,308

2012

$5,395 (+0.9%)

$31,522 + $37,786

$69,308

2011

$5,347

$26,109 + $38,288

$64,397

2010

$5,343 (+7.1%)

$26,109 + $38,288

$64,397

2009

$4,989

$36,460 + $29,650

$66,110

Tax history for 1718 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$11,669

$61,538 + $59,994

$121,532

2024

$11,668 (+1.8%)

$61,538 + $59,994

$121,532

2023

$11,463 (+18.7%)

$61,118 + $70,745

$131,863

2022

$9,657 (+5.7%)

$64,802 + $70,745

$135,547

2021

$9,137 (+13.5%)

$50,575 + $52,612

$103,187

2020

$8,050 (+1.6%)

$52,031 + $54,126

$106,157

2019

$7,927 (−1.9%)

$44,616 + $47,869

$92,485

2018

$8,084 (+3.2%)

$44,616 + $47,869

$92,485

2017

$7,831 (+17.5%)

$34,200 + $59,040

$93,240

2016

$6,663 (+5.6%)

$34,200 + $59,040

$93,240

2015

$6,310 (+5.9%)

$30,805 + $46,176

$76,981

2014

$5,958 (+2.2%)

$31,522 + $37,786

$69,308

2013

$5,827 (+8.0%)

$31,522 + $37,786

$69,308

2012

$5,395 (+0.9%)

$31,522 + $37,786

$69,308

2011

$5,347

$26,109 + $38,288

$64,397

2010

$5,343 (+7.1%)

$26,109 + $38,288

$64,397

2009

$4,989

$36,460 + $29,650

$66,110

*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

5,886 Sq. Ft.

Year renovated

1985

Sq. Ft.

1,949

Year built

1910

Style

Single Family Residential

County

Boulder County

APN

R0003666

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Property details

Parking

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

Interior

Bathroom Information
Bathrooms (Full): 2
Bathrooms (Half): 0
Bathrooms (Three Quarter): 2

Bedroom Information
Bedrooms Total: 4

Heating & Cooling
Cooling: Yes
Wall/Window Unit(s)
Heating: Yes
Hot Water

Interior Features
Dishwasher, Refrigerator, Dryer, Microwave
Fireplace: Yes
Fireplace Features: Living Room, Single Fireplace

Room Information
Basement: Walk-Out Access

Exterior

Exterior Features
Balcony
Fencing: Fenced
Patio and Porch Features: Patio
Roof: Composition

Lot Information
Horse(s): No

Property Information
Property Type: Residential
Waterfront: No

Subdivision Information
Subdivision Name: Whittier
MLS Area Major: Boulder

Building Information
Above Grade Finished Area: 1737
Below Grade Finished Area: 621
Building Area Total: 1737
Construction Materials: Brick/Brick Veneer, Stone, Wood Siding, Concrete

Financial

Tax Information
Tax Annual Amount: 7927
Tax Year: 2019

Financial Information
Listing Terms: Cash, Conventional

Location

HOA Information
Association: No

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

Location Information
Directions: Pearl to 17th North to Mapleton..right to property. OR Broadway to Mapleton. Right on Mapleton to property
Unparsed Address: 1718 Mapleton Ave Boulder CO 80304
Street Number: 1718
Street Name: Mapleton
Street Suffix: Ave
City: Boulder
State or Province: CO
County or Parish: Boulder
Country: US
Postal Code: 80304
Coordinates: -105.273758,40.022217
Latitude: 40.022217
Longitude: -105.273758

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 1,949
Stories: —
Lot Size: 5,886 square feet
Style: Single Family Residential
Year Built: 1910
Year Renovated: 1985
County: Boulder County
APN: R0003666

Home facts updated by county records on Sep 2, 2026

Other

Miscellaneous Information
Exclusions: staging furniture (negotiable)

Listing Information
Attribution Contact: 303-543-3083
Close Price: $1,560,000
Photos Count: 39
Special Listing Conditions: Private Owner
Standard Status: Closed

Listing Date Information
Close Date: Wednesday, December 30, 2020
Cumulative Days on Market: 27
Days on Market: 27
Listing Contract Date: Friday, October 9, 2020
Modification Timestamp: Tuesday, November 25, 2025 11:09 AM

Home Information
Levels: Two
Window Features: Double Pane Windows
Year Built: 1910

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 0.2mi

6/10

Casey Middle School

Public 6-8 • Assigned • 0.3mi

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

1% 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

$1.91M – $2.31M

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626 Poplar Ave, Boulder, CO 80304

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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

$425,000

1 bed1 bath469 sq ft

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Home values near 1718 Mapleton Ave

Data from public records.

Address	Redfin Estimate
1727 Mapleton Avenue, Boulder, CO 9 Beds \| 6 Baths \| 3030 Sq. Ft.	$1,760,435
1735 Mapleton Avenue, Boulder, CO 5 Beds \| 4 Baths \| 3948 Sq. Ft.	$2,890,948

Address	Redfin Estimate
1719 Mapleton Avenue Unit A, Boulder, CO 4 Beds \| 4.5 Baths \| 2871 Sq. Ft.	$2,581,787
1740 Mapleton Avenue, Boulder, CO 3 Beds \| 2 Baths \| 2072 Sq. Ft.	$1,776,303

Address	Redfin Estimate
1736 Mapleton Avenue, Boulder, CO 4 Beds \| 2.5 Baths \| 3619 Sq. Ft.	$2,245,765
1730 Mapleton Avenue, Boulder, CO 3 Beds \| 1 Baths \| 1478 Sq. Ft.	$1,291,486

Property information provided by undefined .

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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 1718 Mapleton Ave

Tax history for 1718 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 1718 Mapleton Ave

More real estate resources