OFF MARKET

Off Market Dec 2015 for $995K

$1,593,342

Est. refi paymentEst. refi $6,456/mo

•

2,414

sq ft

409 Mapleton Ave, Boulder, CO 80304

About this home

Public Remarks: Location, Location, Location! Spectacular location at 4th & Mapleton on arguably the most popular street in Boulder. Very close to Mount Sanitas, downtown Pearl Street mall, North Boulder Park...Great ranch style floor plan w/just over 2,400 total square feet. 2 BR's & full bath on the main level w/additional 2 BR's & 3/4 bath in finished basement. Character & charm throughout w/2 fireplaces, detached oversized 1 car garage, cozy secluded back yard w/great deck, flagstone patio, much more!

Single-familyProperty Type

1957Year Built

5,950 sq ftLot Size

$660Est. Price/Sq.Ft.

1 car garageParking

Listed by Dan Kingdom • WK Real Estate

Contact: 3034432240

Bought with Joel Ripmaster • Slifer Smith & Frampton-Bldr

•303-443-3377 (broker)

Redfin checked: 2 minutes ago

•Source:IRES as Distributed by MLS Grid #778366

Redfin Estimate

$1,593,342

$598K since sold in December 2015$1,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.9% higher than the average sale price ($1.50M) of 6 comparable homes.

SOLD JUN 4, 2026
$1,325,000
A
4 beds2 baths2,060 sq ft
3336 14th St, Boulder, CO 80304
SOLD JUN 30, 2026
$1,255,000
B
3 beds2 baths1,700 sq ft
810 Alpine Ave, Boulder, CO 80304
SOLD JUN 11, 2026
$1,583,000
C
3 beds2 baths2,080 sq ft
300 Forest Ave, Boulder, CO 80304
SOLD FEB 20, 2026
$1,411,000
D
4 beds2 baths1,897 sq ft
1625 4th St, Boulder, CO 80302
SOLD JUN 5, 2026
$1,835,000
E
4 beds3 baths2,558 sq ft
675 Dellwood Ave, Boulder, CO 80304
SOLD JUL 22, 2026
$1,620,000
F
3 beds3 baths2,538 sq ft
315 Evergreen Ave, Boulder, CO 80304

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Earn from this home

Sell

$890,799

Est. take-home

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Refinance

Est. cash available

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Rent

$4,050/mo

Redfin rental estimate

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Market trends in 80304, CO

Last updated August 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

97.2%

0.6% MoM

Median sale price

$1.4M

$45K MoM

Avg. days on market

63d

10 days MoM

Recently sold homes

130

2 MoM

New listings for sale

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OPEN TODAY, 3PM TO 4:30PM
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3874 Broadway St #8, Boulder, CO 80304
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5 beds5.5 baths3,705 sq ft
3716 Wonderland Hill Ave, Boulder, CO 80304
$2,625,250
4 beds4.5 baths3,252 sq ft
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3D WALKTHROUGH
$1,050,000
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$1,599,000
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COMING SOON
$8,995,000
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1 bed1 bath474 sq ft
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See all

Provided by Redfin

Sale history for 409 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$9,906 (+4.9%)

$93,504 + $10,389

$103,893

2024

$9,439 (+1.8%)

$93,504 + $10,389

$103,893

2023

$9,276 (+8.7%)

$93,512 + $13,896

$107,408

2022

$8,530 (+4.9%)

$97,197 + $13,896

$111,093

2021

$8,134 (+9.1%)

$73,350 + $18,501

$91,851

2020

$7,456 (+1.6%)

$75,461 + $19,033

$94,494

2019

$7,342 (+7.5%)

$69,069 + $16,588

$85,657

2018

$6,827 (+3.2%)

$69,069 + $16,588

$85,657

2017

$6,614 (+0.3%)

$63,000 + $15,746

$78,746

2016

$6,591 (+17.9%)

$63,000 + $15,746

$78,746

2015

$5,589 (+43.8%)

$55,481 + $20,664

$76,145

2014

$3,887 (+2.2%)

$19,184 + $33,989

$53,173

2013

$3,802 (−9.7%)

$19,184 + $33,989

$53,173

2012

$4,208 (−12.9%)

$19,184 + $33,989

$53,173

2011

$4,832 (−7.0%)

$22,368 + $35,820

$58,188

2010

$5,196 (+7.1%)

$22,368 + $35,820

$58,188

2009

$4,852

$45,370 + $18,920

$64,290

Tax history for 409 Mapleton Ave

Year

Property tax

Land + Additions

Assessment*

2025

$9,906 (+4.9%)

$93,504 + $10,389

$103,893

2024

$9,439 (+1.8%)

$93,504 + $10,389

$103,893

2023

$9,276 (+8.7%)

$93,512 + $13,896

$107,408

2022

$8,530 (+4.9%)

$97,197 + $13,896

$111,093

2021

$8,134 (+9.1%)

$73,350 + $18,501

$91,851

2020

$7,456 (+1.6%)

$75,461 + $19,033

$94,494

2019

$7,342 (+7.5%)

$69,069 + $16,588

$85,657

2018

$6,827 (+3.2%)

$69,069 + $16,588

$85,657

2017

$6,614 (+0.3%)

$63,000 + $15,746

$78,746

2016

$6,591 (+17.9%)

$63,000 + $15,746

$78,746

2015

$5,589 (+43.8%)

$55,481 + $20,664

$76,145

2014

$3,887 (+2.2%)

$19,184 + $33,989

$53,173

2013

$3,802 (−9.7%)

$19,184 + $33,989

$53,173

2012

$4,208 (−12.9%)

$19,184 + $33,989

$53,173

2011

$4,832 (−7.0%)

$22,368 + $35,820

$58,188

2010

$5,196 (+7.1%)

$22,368 + $35,820

$58,188

2009

$4,852

$45,370 + $18,920

$64,290

*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

5,950 Sq. Ft.

Year renovated

1960

Sq. Ft.

2,297

Year built

1957

Style

Single Family Residential

County

Boulder County

APN

R0005058

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

Interior

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

Bedroom Information
Bedrooms Total: 4

Heating & Cooling
Cooling: Yes
Central Air
Heating: No
None

Interior Features
Accessibility Features: Level Lot, Level Drive, Main Floor Bath, Main Level Bedroom
Electric Range/Oven, Dishwasher, Refrigerator, Disposal
Fireplace: Yes
Fireplace Features: 2+ Fireplaces, Living Room, Family/Recreation Room Fireplace
Satellite Avail, High Speed Internet, Eat-in Kitchen, Separate Dining Room, Open Floorplan, Sun Space
Laundry Features: Washer/Dryer Hookups, In Basement

Room Information
Basement: Full

Exterior

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

Lot Information
Horse(s): No
Lot Features: Wooded, Level
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: 1270
Below Grade Finished Area: 1144
Building Area Total: 1270
Construction Materials: Wood/Frame

Financial

Tax Information
Parcel Number: R0005058
Tax Annual Amount: 3887
Tax Year: 2014

Financial Information
Listing Terms: Cash, Conventional

Utilities

Utility Information
Utilities: Natural Gas Available, Electricity Available, Cable 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: Just east of intersection of 4th Street and Mapleton on North side.
Unparsed Address: 409 Mapleton Ave Boulder CO 80304
Street Number: 409
Street Name: Mapleton
Street Suffix: Ave
City: Boulder
State or Province: CO
County or Parish: Boulder
Country: US
Postal Code: 80304
Coordinates: -105.29109,40.02083
Latitude: 40.02083
Longitude: -105.29109

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 2,297
Stories: 1.0
Lot Size: 5,950 square feet
Style: Single Family Residential
Year Built: 1957
Year Renovated: 1960
County: Boulder County
APN: R0005058

Home facts updated by county records on Sep 2, 2026

Other

Listing Information
Attribution Contact: 3034432240
Close Price: $995,000
Photos Count: 25
Possible Use: Single Family
Special Listing Conditions: Private Owner
Standard Status: Closed

Listing Date Information
Close Date: Wednesday, December 2, 2015
Cumulative Days on Market: 35
Days on Market: 35
Listing Contract Date: Thursday, October 29, 2015
Modification Timestamp: Monday, July 29, 2024 10:36 AM

Home Information
Direction Faces: South
Window Features: Window Coverings
Year Built: 1957

Green Information
Green Energy Efficient: Southern Exposure

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 1.2mi

6/10

Casey Middle School

Public 6-8 • Assigned • 0.6mi

5/10

Boulder High School

Public 9-12 • Assigned • 1.0mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

There's a distinctly European ease to Boulder — a town where café culture and mountain culture coexist effortlessly. Pearl Street's patios stay full year-round, cyclists outnumber cars on weekend mornings, and the Flatirons loom just close enough to...
2 months ago • Boulder
Chuck Klijewski
Redfin agent
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

3% 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

$1.51M – $1.83M

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Home values near 409 Mapleton Ave

Data from public records.

Address	Redfin Estimate
403 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 3254 Sq. Ft.	$2,194,120
417 Mapleton Ave Apartment A, Boulder, CO 1 Beds \| 1 Baths \| 617 Sq. Ft.	$600,348

Address	Redfin Estimate
424 Mapleton Ave, Boulder, CO 3 Beds \| 3.5 Baths \| 2966 Sq. Ft.	$2,891,099
430 Mapleton Ave, Boulder, CO 5 Beds \| 2 Baths \| 3345 Sq. Ft.	$3,107,102

Address	Redfin Estimate
400 Mapleton Ave, Boulder, CO 4 Beds \| 3.5 Baths \| 3476 Sq. Ft.	$3,129,432
429 Mapleton Ave Apartment A, Boulder, CO 1 Beds \| 1 Baths \| 674 Sq. Ft.	$631,110

Property information provided by IRES as Distributed by MLS Grid when last listed in 2015. 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 409 Mapleton Ave

Tax history for 409 Mapleton Ave

Public record

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80304

Home values near 409 Mapleton Ave

More real estate resources