Last Sold Price
3 beds3,254 sqft$254/sqft
403 Mapleton Ave, Boulder, CO 80304

Description

Mapleton Hill,turn of the century home w/old world charm lovingly maintained to keep true to the architecture of the Historic Dist. Wonderful,open floor plan,terrific views of Mt. Sanitas. Leave the car at home,walk to open space trails or downtown restaurants! Lots of charm/character:hardwood floors,French pocket doors,custom china cabinet & built-ins,walk in closets. Dine al fresco in private brick courtyard or drink caffe off the sunny kitchen deck! New windows-central a/c-new furnace!Mapleton Hill,turn of the century home w/old world charm lovingly maintained to keep true to the architecture of the Historic Dist. Wonderful,open floor plan,terrific views of Mt. Sanitas. Leave the car at home,walk to open space trails or downtown restaurants! Lots of charm/character:hardwood floors,French pocket doors,custom china cabinet & built-ins,walk in closets. Dine al fresco in private brick courtyard or drink caffe off the sunny kitchen deck! New windows-central a/c-new furnace!
LISTING CLOSED: 07/08/2011 12:00 AM

  1. Listed by Lynn Ryan • RE/MAX of Boulder, Inc
    P: (303) 489-0309 C: (303) 489-0309 lynn@lynnryanboulder.com

Property Details for 403 Mapleton Avenue

Status
MLS #
643082
Days on Compass
236
Taxes
$5,828 / year
HOA Fees
-
Condo/Co-op Fees
-
Property Type
MLS Type
Residential / Single Family Residence
Year Built
1917
Lot Size
0.14 AC / 6,098 SF
Locale
Boulder

Recent comparable sales

Median sold price

$997,500

Avg days on market

30

Sale-to-list ratio

97.3%

Boulder, CO

9 comparable properties found

$800,000 | 3120 Eastwood Court, Boulder, CO 80304
1/38
1

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Sold 05/26/26

3
Bedrooms
2,562
Square Feet
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Acres
a living room with furniture and a large window
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2

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Sold 03/27/26

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Square Feet
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Acres
$875,000 | 1425 Dellwood Avenue, Boulder, CO 80304
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Square Feet
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Acres
$901,350 | 4824 Kings Ridge Boulevard, Boulder, CO 80301
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Bedrooms
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Square Feet
0.13
Acres
$5,900,000 | 1025 5th Street, Boulder, CO 80302
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3
Bedrooms
3,328
Square Feet
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Acres
$807,600 | 1200 College Avenue, Unit 122, Boulder, CO 80302
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3
Bedrooms
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Bathrooms
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Square Feet
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Acres
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Sold 03/11/26

3
Bedrooms
2
Bathrooms
1,291
Square Feet
0.16
Acres
$1,000,000 | 3150 5th Street, Boulder, CO 80304
1/32
8

$1,000,000

Sold 04/20/26

3
Bedrooms
1,836
Square Feet
0.15
Acres
$1,455,000 | 805 Linden Avenue, Boulder, CO 80304
1/21
9

$1,455,000

Sold 02/18/26

3
Bedrooms
3,000
Square Feet
0.38
Acres

Location

Listing Courtesy of RE/MAX of Boulder, Inc, Lynn Ryan

Sold By RE/MAX of Boulder, Inc, Brian Barrett

Add your commute

Building Information for 403 Mapleton Avenue

Stories-Year Built1917Building Size-Lot Size0.14 AC / 6,098 SF

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30 year fixed, 6.55% Interest

Principal and Interest

$4,204

Property Taxes

$486

HOA Dues

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Property Information for 403 Mapleton Avenue

Summary
Location and General Information
  • Latitude: 40.02
  • Longitude: -105.29
Parking
  • Garage SqFt: 207
  • Total Parking: 1.00
Taxes and HOA Information
  • Has HOA: No
  • HOA Fee: $.00
  • Legal Description: S 120 Ft Lots 31 & 32 Blk 4
  • HOA2 Fee Amount: $0
  • Tax Year: 2009
  • HOA Transfer Fee: No
  • Has Association Fee: No
  • Has Association Reserve: No
  • Tax Annual Amount: $5,828
  • Parcel Number: R0000911
Property
Lot Information
  • Lot Improvements: Corner Lot, Deciduous Trees, Level, House Faces South, City Limits, Sidewalks
  • Lot Size Area: 6,277.00
  • Has Irrigation Water Rights: No
  • Has Improvements: No
Property and Assessments
  • Total Finished Area Source: Assessor
  • Living SqFt: 2447
  • Above Grade Finished Area Source: 2447
  • Sq Ft Apx: 600
  • Total Finished Area: 2447
  • Property Attached YN: No
  • Are Ditches Active: No
  • New Construction YN: No
  • Levels: Two
Utilities
  • Has Solar Photovoltaic: 0
  • Electric: Xcel
  • Sewer: Public Sewer
Interior and Exterior Features
Exterior Features
  • Construction Materials: Brick, Stucco
  • Green Building Verification Type: 0
  • Exterior Features: Sprinkler System
  • Flooring: Wood
Interior Features
  • Interior Features: Eat-in Kitchen, Separate Dining Room, Wood Windows, Walk-In Closet(s), Washer/Dryer Hookup, Shared Primary Bath
  • Laundry Features: Gas Range, Dishwasher, Refrigerator, Washer, Dryer, Water Softener Owned, Disposal
  • Window Features: Window Coverings
  • Fireplaces 1: Living Room
  • All Bedrooms Conform: Yes
  • Full Bathrooms: 2
  • Half Bathrooms: 0
  • Rough-in Bathrooms: 0
  • Three Quarters Bathrooms: 0
  • Baths Full Additional: 0
  • Baths Full Basement: 0
  • Baths Full Upper: 1
  • Baths Full Main: 1
  • Baths Full Lower: 0
  • Baths Half Additional: 0
  • Baths Half Basement: 0
  • Baths Half Upper: 0
  • Baths Half Main: 0
  • Baths Half Lower: 0
  • Baths Three Quarters Additional: 0
  • Baths Three Quarters Basement: 0
  • Baths Three Quarters Lower: 0
  • Baths Three Quarters Upper: 0
  • Baths Three Quarters Main: 0
Room Information
Room 1
  • RoomDescription: Wood
  • RoomLength: 13.0
  • RoomLevel: Upper
  • RoomType: Bedroom 2
  • RoomWidth: 12.0
Room 2
  • RoomDescription: Carpet
  • RoomLength: 12.0
  • RoomLevel: Upper
  • RoomType: Bedroom 3
  • RoomWidth: 10.0
Room 3
  • RoomDescription: Wood
  • RoomLength: 14.0
  • RoomLevel: Main
  • RoomType: Dining Room
  • RoomWidth: 12.0
Room 4
  • RoomDescription: Wood
  • RoomLength: 14.0
  • RoomLevel: Main
  • RoomType: Family Room
  • RoomWidth: 12.0
Room 5
  • RoomDescription: Tile
  • RoomLength: 16.0
  • RoomLevel: Main
  • RoomType: Kitchen
  • RoomWidth: 14.0
Room 6
  • RoomDescription: Carpet
  • RoomLength: 11.0
  • RoomLevel: Basement
  • RoomType: Laundry
  • RoomWidth: 11.0
Room 7
  • RoomDescription: Wood
  • RoomLength: 21.0
  • RoomLevel: Main
  • RoomType: Living Room
  • RoomWidth: 14.0
Room 8
  • RoomDescription: Wood
  • RoomLength: 15.0
  • RoomLevel: Upper
  • RoomType: Primary Bedroom
  • RoomWidth: 14.0
  • Room Features: Shared Primary Bath
Room 9
  • RoomDescription: Wood
  • RoomLength: 13.0
  • RoomLevel: Main
  • RoomType: Study
  • RoomWidth: 10.0
Rental
Rental Information
  • Horse YN: No
  • Occupant Type: Owner

Property History for 403 Mapleton Avenue

DateEvent & SourcePriceAppreciation
Jul 8, 2011

Sold (Public Record)

Public Record #312234843

$827,000
DateEvent & SourcePrice
07/08/2011

Sold (Public Record)

Public Record #312234843

$827,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 403 Mapleton Avenue

Taxable ValueLand$105,944Additions$54,196Total$160,140
Tax Record2025$14,034 ($1,170 / month)
Home Facts
Beds3Baths2Total Finished SqFt3,047 SqFtAbove Grade Finished SqFt2,747 SqFtFinished Basement SqFt300 SqFtUnfinished Basement SqFt300 SqFtStories2Lot Size6,275 SqFtStyleSingle Family ResidenceYear Built1917Year Renovated1988CountyBOULDERAPNR0000911

Schools near 403 Mapleton Avenue

This home is within Boulder Valley Re 2 School District.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Public - PK to 5
Rating
School
Distance
Whittier Elementary School
PublicK to 5

Casey Middle School
Public6 to 8

Boulder High School
Public9 to 12

University Hill Elementary School
PublicPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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Nearby home values

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of RE/MAX of Boulder, Inc, Lynn Ryan

Based on information submitted to the MLS GRID as of 10/20/2025 05:55 PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.