OFF MARKET

Off Market Jul 2024 for $895K

$753,580

Est. refi paymentEst. refi $6,057/mo

•

724

sq ft

433 Mapleton Ave Unit A, Boulder, CO 80304

About this home

Welcome to Boulder's most coveted location, 4th & Mapleton. This immaculately kept historic building offers an unparalleled living experience, blending timeless charm with modern convenience. Step inside to discover a light-filled oasis boasting an incredible kitchen featuring a newer gas range & refrigerator, perfect for culinary enthusiasts. With its big windows and abundant natural light, every corner of this home exudes warmth and comfort. Indulge in luxury with a newly renovated bathroom complete with a stunning vanity and hand-picked wallpaper, adding a touch of elegance to your daily routine. The pièce de résistance? A breathtaking French Wedding Cake Chandelier (Murano glass) that elevates the ambiance of every room. This rare gem comes complete with a detached one-car garage, a coveted feature not found in every unit. Enjoy your own personal sanctuary with a personal back patio and garden area (also not found in every unit), offering a tranquil escape from the hustle and bustle. Convenience is at your doorstep with a prime location just a 5-minute walk to Sanitas, Pearl Street, and North Boulder Park. Whether you're seeking outdoor adventures or the vibrant energy of downtown living, this home offers the perfect blend of both. Experience the pride of ownership in every detail, from the meticulously maintained interior to the thoughtful design touches throughout. With too many features to list, this is truly a one-of-a-kind opportunity to call Boulder's finest address your own. Don't miss your chance to make this extraordinary home yours. Schedule a showing today and prepare to fall in love with the epitome of Boulder living.

CondoProperty Type

1906Year Built

$1,041Est. Price/Sq.Ft.

1 car garageParking

Listed by Ben Smith • Compass - Denver

Contact: benjamin.smith@compass.com,303-667-5078

Bought with Chris Angelovic • LIV Sotheby's Intl Realty

Redfin checked: 2 minutes ago

•Source:REColorado as Distributed by MLS Grid #2415504

Listing provided courtesy of Metrolist,Inc. (REColorado)

Redfin Estimate

$753,580

$141K since sold in July 2024$23K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 54.6% higher than the average sale price ($487K) of 6 comparable homes.

SOLD JUL 24, 2026
421 Mapleton Ave Unit A, Boulder, CO 80304
$727,000
A
1 bed1 bath618 sq ft
421 Mapleton Ave Unit A, Boulder, CO 80304
SOLD APR 2, 2026
$585,000
B
1 bed1 bath720 sq ft
620 Pearl St Unit C, Boulder, CO 80302
SOLD JUL 31, 2026
$510,000
C
2 beds1 bath748 sq ft
625 Pearl St #23, Boulder, CO 80302
HomeSmart
SOLD JUL 2, 2026
$289,000
D
1 bed1 bath612 sq ft
1111 Maxwell Ave #105, Boulder, CO 80304
SOLD AUG 25, 2026
$395,000
E
2 beds1 bath816 sq ft
1111 Maxwell Ave #232, Boulder, CO 80304
SOLD JUL 17, 2026
$418,000
F
2 beds1 bath816 sq ft
1111 Maxwell Ave #201, Boulder, CO 80304

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Earn from this home

Sell

$21,240

Est. take-home

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Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$1,346/mo

Redfin rental estimate

List your home for rent

Market trends in 80304, CO

Last updated August 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

New listings for sale

$2,250,000
5 beds3.5 baths3,926 sq ft
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NEW 9 HRS AGO
$575,500
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COMING SOON
$6,895,000
5 beds3.5 baths4,578 sq ft
700 Utica Ave, Boulder, CO 80304
NEW 11 HRS AGO
$549,000
2 beds1 bath888 sq ft
4742 18th St, Boulder, CO 80304
OPEN TODAY, 10AM TO 12PM
$875,000
3 beds2.5 baths1,512 sq ft
1749 Alpine Ave #10, Boulder, CO 80304
COMING SOON
$5,750,000
4 beds5.5 baths4,226 sq ft
1145 Timber Ln, Boulder, CO 80304
OPEN SUN, 11AM TO 2PM
$749,500
3 beds3 baths1,810 sq ft
3140 Eastwood Ct, Boulder, CO 80304
Cassidy Bednark • Century 21 Elevated Real Estate
OPEN TODAY, 1PM TO 3PM
$1,485,000
4 beds2.5 baths3,623 sq ft
1461 Zamia Ave, Boulder, CO 80304
$80,000
3 beds1 bath980 sq ft
4500 19th St #610, Boulder, CO 80304
Jennifer Walthall • Metro 21 Real Estate Group
3D WALKTHROUGH
$595,000
2 beds2 baths892 sq ft
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See all

Provided by Redfin

Sale history for 433 Mapleton Ave Unit A

Date

Event

Price

IRES as Distributed by MLS Grid #2415504

Jul 1, 2024

Sold

$895,000

$1,236/sq ft

Jul 1, 2024

Sold

$895,000

$1,236/sq ft

Jun 8, 2024

Pending

—

Jun 8, 2024

Pending

—

May 11, 2024

Listed

$895,000

$1,236/sq ft

May 11, 2024

Listed

$895,000

$1,236/sq ft

May 9, 2024

Coming Soon

$895,000

$1,236/sq ft

May 9, 2024

Coming Soon

$895,000

$1,236/sq ft

+25

Public Remarks

Welcome to Boulder's most coveted location, 4th & Mapleton. This immaculately kept historic building offers an unparalleled living experience, blending timeless charm with modern convenience. Step inside to discover a light-filled oasis boasting an incredible kitchen featuring a newer gas range & refrigerator, perfect for culinary enthusiasts. With its big windows and abundant natural light, every corner of this home exudes warmth and comfort. Indulge in luxury with a newly renovated bathroom complete with a stunning vanity and hand-picked wallpaper, adding a touch of elegance to your daily routine. The piece de resistance? A breathtaking French Wedding Cake Chandelier (Murano glass) that elevates the ambiance of every room. This rare gem comes complete with a detached one-car garage, a coveted feature not found in every unit. Enjoy your own personal sanctuary with a personal back patio and garden area (also not found in every unit), offering a tranquil escape from the hustle and bustle. Convenience is at your doorstep with a prime location just a 5-minute walk to Sanitas, Pearl Street, and North Boulder Park. Whether you're seeking outdoor adventures or the vibrant energy of downtown living, this home offers the perfect blend of both. Experience the pride of ownership in every detail, from the meticulously maintained interior to the thoughtful design touches throughout. With too many features to list, this is truly a one-of-a-kind opportunity to call Boulder's finest address your own. Don't miss your chance to make this extraordinary home yours. Schedule a showing today and prepare to fall in love with the epitome of Boulder living.

Public Records

Apr 10, 2017

Sold

$530,000

$732/sq ft

IRES as Distributed by MLS Grid #437510

Mar 4, 2005

Sold

$377,000

$521/sq ft

Jan 18, 2005

Listed

$349,000

$482/sq ft

Public Remarks

CHARMING MAPLETON HILL CONDO*720 SF RESTORED INSIDE & OUT(List Price DOES NOT INCLUCE GARAGE-W/Garage Price is $386K)*EXPOSED BRICK*NEW STAINLESS STEEL APPLIANCES *10 FT CEILINGS*NEW BATHROOM W/PERIOD FIXTURES*REFINISHED HARDWOOD FLRG*1BLK TO TRAILHEADS&ONLY 4 BLKS TO PEARL STREET*$268 HOA FEE INCL:HEAT, GAS, LNDSCPG,SNOW REMOVAL,GARBAGE REMOVAL,OUTSIDE ELECTRIC,ALL EXT MAINTENANCE,ON SITE LAUNDRY*REGISTERED COLORADO HISTORIC LANDMARK*E$ TO TITLE*CONTRX TO TITLED OWNER*TITLED:CHARLES MASON *

Public Records

Feb 16, 2001

Sold

$308,000

$425/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$4,853 (+42.4%)

$50,894

2024

$3,407 (+1.8%)

$50,894

2023

$3,348 (−3.0%)

$38,764

2022

$3,450 (+4.9%)

$42,449

2021

$3,290 (−1.0%)

$37,148

2020

$3,323 (+1.6%)

$38,217

2019

$3,272 (+20.8%)

$38,174

2018

$2,708 (+3.2%)

$38,174

2017

$2,623 (−14.3%)

$31,234

2016

$3,060 (+5.6%)

$31,234

2015

$2,897 (+21.7%)

$35,350

2014

$2,381 (+2.2%)

$27,701

2013

$2,329 (+1.2%)

$27,701

2012

$2,301 (+0.9%)

$27,701

2011

$2,280 (−4.2%)

$27,462

2010

$2,381 (+7.1%)

$27,462

2009

$2,223

$29,460

Tax history for 433 Mapleton Ave Unit A

Year

Property tax

Land + Additions

Assessment*

2025

$4,853 (+42.4%)

$50,894

2024

$3,407 (+1.8%)

$50,894

2023

$3,348 (−3.0%)

$38,764

2022

$3,450 (+4.9%)

$42,449

2021

$3,290 (−1.0%)

$37,148

2020

$3,323 (+1.6%)

$38,217

2019

$3,272 (+20.8%)

$38,174

2018

$2,708 (+3.2%)

$38,174

2017

$2,623 (−14.3%)

$31,234

2016

$3,060 (+5.6%)

$31,234

2015

$2,897 (+21.7%)

$35,350

2014

$2,381 (+2.2%)

$27,701

2013

$2,329 (+1.2%)

$27,701

2012

$2,301 (+0.9%)

$27,701

2011

$2,280 (−4.2%)

$27,462

2010

$2,381 (+7.1%)

$27,462

2009

$2,223

$29,460

*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

—

Year renovated

1906

Sq. Ft.

724

Year built

1906

Style

Condo/Co-op

County

Boulder County

APN

R0140898

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Property details

Parking

Parking/Garage Information
Parking Total: 1
Garage Spaces: 1

Interior

Virtual Tour Information

Bedroom Information
Bedrooms Total: 1
Main Level Bedrooms: 1

Bathroom Information
Bathrooms Total Integer: 1
Bathrooms Full: 1
Main Level Bathrooms: 1

Room 1 Information
Living Room
Level: Main

Room 2 Information
Kitchen
Level: Main

Room 3 Information
Bedroom
Level: Main

Room 4 Information
Bathroom (Full)
Level: Main

Interior Features
Appliances: Convection Oven, Cooktop, Dishwasher, Disposal, Refrigerator
Flooring: Wood
Furnished: Unfurnished
Laundry Features: Common Area

Exterior

Building Information
Building Name: Mapleton Ave Condo
Building Area Total: 724
Building Area Source: Public Records
Structure Type: Low Rise (1-3)
Construction Materials: Brick

Exterior Features
Exterior Features: Garden
Patio And Porch Features: Covered, Front Porch, Patio
Roof: Architecural Shingle

Property Information
Property Type: Residential
Property Sub Type: Condominium
Property Attached
Living Area: 724
Above Grade Finished Area: 724
Entry Location: Exterior Access
Levels: One
Common Walls: 1 Common Wall
Ownership: Individual

Lot Information
Water Source: Public
Road Surface Type: Alley Paved
Road Frontage Type: Public
Road Responsibility: Public Maintained Road

Financial

Tax Information
Tax Annual Amount: $3,348
Tax Year: 2023
Parcel Number: R0140898

Utilities

Utility Information
Utilities: Cable Available, Electricity Available, Electricity Connected, Internet Access (Wired), Natural Gas Connected, Natural Gas Not Available
Sewer: Public Sewer

Heating & Cooling
Cooling: Other
Heating: Hot Water, Radiant

Location

HOA Information
Has Association
Association Name: Prime One Management
Association Management Type: Professionally Managed
Association Fee: $645
Association Fee Frequency: Monthly
Association Fee Annual: $7,740
Association Fee Total Annual: $7,740
Association Fee Includes: Reserves, Heat, Insurance, Maintenance Grounds, Maintenance Structure, Snow Removal, Trash, Water
Association Phone: 3034945057

School Information
Elementary School: Whittier Int'l
Elementary School District: Boulder Valley RE 2
Middle Or Junior School: Casey
Middle Or Junior School District: Boulder Valley RE 2
High School: Boulder
High School District: Boulder Valley RE 2

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 724
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1906
Year Renovated: 1906
County: Boulder County
APN: R0140898

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 1.1mi

6/10

Casey Middle School

Public 6-8 • Assigned • 0.6mi

5/10

Boulder High School

Public 9-12 • Assigned • 0.9mi

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

$716,000 – $867,000

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Jennifer Walthall • Metro 21 Real Estate Group

Home values near 433 Mapleton Ave Unit A

Data from public records.

Address	Redfin Estimate
403 Mapleton Ave, Boulder, CO 3 Beds \| 2 Baths \| 3254 Sq. Ft.	$1,973,236
409 Mapleton Ave, Boulder, CO 4 Beds \| 2 Baths \| 2414 Sq. Ft.	$1,642,796

Address	Redfin Estimate
501 Mapleton Ave, Boulder, CO 5 Beds \| 5 Baths \| 4832 Sq. Ft.	$3,042,204
424 Mapleton Ave, Boulder, CO 3 Beds \| 3.5 Baths \| 2966 Sq. Ft.	$2,847,438

Address	Redfin Estimate
456 Mapleton Ave, Boulder, CO 5 Beds \| 3.5 Baths \| 3683 Sq. Ft.	$2,381,977
417 Mapleton Ave Apartment A, Boulder, CO 1 Beds \| 1 Baths \| 617 Sq. Ft.	$622,126

Property information provided by REColorado as Distributed by MLS Grid when last listed in 2024. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 80304, CO

Sale history for 433 Mapleton Ave Unit A

Tax history for 433 Mapleton Ave Unit A

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 433 Mapleton Ave Unit A

More real estate resources