421 Highland Ave

Boulder, CO 80302

$3,750,000
Last Sold Price
4
Beds
4,505 Sq. Ft.
$832 / Sq. Ft.
4,505
Sq. Ft.
$832
per Sq. Ft.
Get preapproved with Rocket Mortgage1
Sold 4/21/23
Sold 4/21/23
front view of a house with a yard
a front view of a house with a garden
a view of a lush green field with mountains in the background
a large kitchen with a table and chairs
a view of a city with mountains in the background
a view of entryway and hall with wooden floor
a view of porch with a black gate
a kitchen with stainless steel appliances granite countertop a stove a sink dishwasher and a microwave oven with white cabinets
a large kitchen with kitchen island a stove a sink dishwasher oven a dining table and chairs with wooden floor
a kitchen with a sink cabinets and wooden floor
a view of a patio with couches table and chairs and potted plants
a view of a house with backyard and sitting area
a living room with furniture and a flat screen tv
a living room with furniture and a large window
a living room with furniture
a dining room with furniture potted plants and wooden floor
a open kitchen with granite countertop breakfast area
a living room with furniture and a couch
a living room with furniture large window and flat screen tv
a living room with furniture and a flat screen tv
a living room with furniture and a book shelf
a living room with furniture a rug and a window
a bathroom with a sink and a mirror
a living room with furniture and a large window
a view of a patio with couches table and chairs and potted plants
a view of house with a patio
a bedroom with furniture and a large window
a view of a patio with table and chairs and potted plants
a living room with furniture a large window and a fireplace
a bathroom with a sink and a mirror
a kitchen with furniture and a chandelier
a bedroom with a bed and a night stand
a bathroom with a granite countertop sink toilet and shower
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a room with lots of gym equipment
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a view of a city with mountains in the background

Description

Exquisite Boulder, CO location. Classic 1904 Mapleton Hill Victorian. Modern day amenities with rich vintage architectural details. Steps from Boulder's world class outdoor playground - trails, hiking, biking, climbing. Some of the finest (and fun) food and shopping blocks away at our amazing Pearl Street Mall. Set on a coveted Highland Avenue lot surrounded by gorgeous, mature trees, this stately residence is 4505sf with 4 beds, 3.5 baths and a beautifully finished studio/office over the detached...Exquisite Boulder, CO location. Classic 1904 Mapleton Hill Victorian. Modern day amenities with rich vintage architectural details. Steps from Boulder's world class outdoor playground - trails, hiking, biking, climbing. Some of the finest (and fun) food and shopping blocks away at our amazing Pearl Street Mall. Set on a coveted Highland Avenue lot surrounded by gorgeous, mature trees, this stately residence is 4505sf with 4 beds, 3.5 baths and a beautifully finished studio/office over the detached garage. Embraced by a period wraparound porch for soaking in some of Boulder's most enviable views. Greeted inside by a harmonious blend of period architectural detailing including stunning millwork, high ceilings, hardwood floors, a traditional sitting room with seated views, classic music room, formal, spacious dining room with ornate ceiling medallion and a chic open, perfectly outfitted, show stopper chef's kitchen with a cozy bay window. The expanded great room connects indoor-outdoor living with a custom stone island with grill, speakers, designer lighting, fire pit and professional landscaping and hardscaping. Upstairs, the primary suite boasts vaulted ceilings, fireplace, spa 5 piece bathroom, walk-in closet and Mt. Sanitas balcony views. There are three additional bedrooms up - two sharing a full, 5 piece bathroom and one with ensuite bathroom. The huge finished basement recreation room currently functions as a spectacular gym with sound absorbing cork floors and additional storage galore.

Listing Agent

  1. Meghan Bach

    Meghan Bach

    Listing Agent

    Compass

    meghan.bach@compass.com

    P: (619)-955-2788

    CallTextEmail

Property Details for 421 Highland Avenue

Locale
Boulder
Description 1
House
LISTING UPDATED: 10/20/2025 07:43 PM

Property Details for 421 Highland Avenue

StatusSold
MLS #984011
Days on Compass4
Taxes$24,178 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built1904
Lot Size0.16 AC / 6,969 SF
CountyBoulder County
Get preapproved with Rocket Mortgage1

Location

Sold By Coldwell Banker Realty 02, Steve Remmert

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Building Information for 421 Highland Avenue

Stories-Year Built1904Building Size-Lot Size0.16 AC / 6,969 SF

Payment Calculator

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OriginPoint Mortgage or Rocket Mortgage1

$20,292 per month

30 year fixed, 6.15% Interest

Principal and Interest

$18,277

Property Taxes

$2,015

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 421 Highland Avenue

Summary
Location and General Information
  • Road Access 2: City Street
  • Latitude: 40.02
  • Longitude: -105.29
Parking
  • Garage SqFt: 340
  • Total Parking: 1.00
Taxes and HOA Information
  • Has HOA: No
  • HOA Fee: $.00
  • Legal Description: LOTS 35-36 BLK 5 MAPLETON
  • Tax Information: No
  • HOA2 Fee Amount: $0
  • Tax Year: 2022
  • Tax Annual Amount: $24,178
  • Parcel Number: R0002415
Property
Lot Information
  • Lot Improvements: Wooded, City Limits, Paved, Curbs, Gutters, Sidewalks
  • Lot Size Area: 7,109.00
  • Has Irrigation Water Rights: No
  • Has Improvements: No
  • Vegetation: Wooded
Property and Assessments
  • Total Finished Area Source: Other
  • Living SqFt: 3530
  • Above Grade Finished Area Source: 3530
  • Sq Ft Apx: 975
  • Total Finished Area: 4505
  • Are Ditches Active: No
  • New Construction YN: No
  • Levels: Two
Utilities
  • Electric: Xcel Energy
  • Sewer: Public Sewer
  • Green Energy Efficient: Southern Exposure, Windows
Interior and Exterior Features
Exterior Features
  • Construction Materials: Frame, Brick, Stone
  • Exterior Features: Sprinkler System, Balcony
  • Flooring: Wood
Interior Features
  • Interior Features: Eat-in Kitchen, Separate Dining Room, Cathedral Ceiling(s), Open Floorplan, Bay or Bow Window, Walk-In Closet(s), Wet Bar, Washer/Dryer Hookup, Skylights, Kitchen Island, Luxury Features Primary Bath, 5 Piece Primary Bath
  • Laundry Features: Disposal, Fire Alarm
  • Window Features: Skylight(s)
  • Fireplaces 1: Two or More, Family Room, Bedroom
  • All Bedrooms Conform: Yes
  • Full Bathrooms: 2
  • Half Bathrooms: 1
  • Rough-in Bathrooms: 0
  • Three Quarters Bathrooms: 1
  • Baths Full Additional: 0
  • Baths Full Basement: 0
  • Baths Full Upper: 2
  • Baths Full Main: 0
  • Baths Full Lower: 0
  • Baths Half Additional: 0
  • Baths Half Basement: 0
  • Baths Half Upper: 0
  • Baths Half Main: 1
  • Baths Half Lower: 0
  • Baths Three Quarters Additional: 0
  • Baths Three Quarters Basement: 0
  • Baths Three Quarters Lower: 0
  • Baths Three Quarters Upper: 1
  • Baths Three Quarters Main: 0
Room Information
Room 1
  • RoomDescription: Carpet
  • RoomLength: 13.0
  • RoomLevel: Upper
  • RoomType: Bedroom 2
  • RoomWidth: 11.0
Room 2
  • RoomDescription: Carpet
  • RoomLength: 11.0
  • RoomLevel: Upper
  • RoomType: Bedroom 3
  • RoomWidth: 10.0
Room 3
  • RoomDescription: Carpet
  • RoomLength: 24.0
  • RoomLevel: Upper
  • RoomType: Bedroom 4
  • RoomWidth: 15.0
Room 4
  • RoomDescription: Hardwood
  • RoomLength: 17.0
  • RoomLevel: Main
  • RoomType: Dining Room
  • RoomWidth: 13.0
Room 5
  • RoomDescription: Hardwood
  • RoomLength: 23.0
  • RoomLevel: Main
  • RoomType: Family Room
  • RoomWidth: 17.0
Room 6
  • RoomDescription: Hardwood
  • RoomLength: 15.0
  • RoomLevel: Main
  • RoomType: Kitchen
  • RoomWidth: 14.0
Room 7
  • RoomDescription: Tile
  • RoomLength: 4.0
  • RoomLevel: Main
  • RoomType: Laundry
  • RoomWidth: 4.0
Room 8
  • RoomDescription: Hardwood
  • RoomLength: 14.0
  • RoomLevel: Main
  • RoomType: Living Room
  • RoomWidth: 13.0
Room 9
  • RoomDescription: Carpet
  • RoomLength: 19.0
  • RoomLevel: Upper
  • RoomType: Primary Bedroom
  • RoomWidth: 14.0
  • Room Features: Luxury Features Primary Bath, 5 Piece Primary Bath
Room 10
  • RoomDescription: Other
  • RoomLength: 25.0
  • RoomLevel: Basement
  • RoomType: Recreation Room
  • RoomWidth: 18.0
Room 11
  • RoomDescription: Hardwood
  • RoomLength: 13.0
  • RoomLevel: Main
  • RoomType: Study
  • RoomWidth: 11.0
Rental
Rental Information
  • Horse YN: No
  • Occupant Type: Vacant

Property History for 421 Highland Avenue

DateEvent & SourcePriceAppreciation
Apr 17, 2023

Sold (Public Record)

Public Record #1509330805

$3,750,000

-3.1% / yr

Apr 12, 2021

Sold (Public Record)

Public Record #1457408715

$3,995,000

+4.7% / yr

Mar 14, 2006

Sold (Public Record)

Public Record #194197902

$1,995,000

+49.0% / yr

Dec 22, 2003

Sold (Public Record)

Public Record #126625972

$821,340—
DateEvent & SourcePrice
04/17/2023

Sold (Public Record)

Public Record #1509330805

$3,750,000

-3.1% / yr

04/12/2021

Sold (Public Record)

Public Record #1457408715

$3,995,000

+4.7% / yr

03/14/2006

Sold (Public Record)

Public Record #194197902

$1,995,000

+49.0% / yr

12/22/2003

Sold (Public Record)

Public Record #126625972

$821,340

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

Public Records for 421 Highland Avenue

Taxable ValueLand$103,644Additions$129,344Total$232,988
Tax Record2025$22,296 ($1,858 / month)
Home Facts
Beds4Baths3.2Total Finished SqFt4,100 SqFtAbove Grade Finished SqFt3,222 SqFtFinished Basement SqFt878 SqFtUnfinished Basement SqFt97 SqFtStories2Lot Size7,100 SqFtStyleSingle Family ResidenceYear Built1904Year Renovated2000Zoning1112CountyBOULDERAPN1461-25-4-07-007

Schools near 421 Highland Avenue

This home is within Boulder Valley Re 2 School District.
Rating
School
Type
Grades
Distance
Whittier Elementary School
Public - K to 5
Casey Middle School
Public - 6 to 8
Boulder High School
Public - 9 to 12
University Hill Elementary School
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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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims 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 discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Based on information submitted to the MLS GRID as of 10/20/2025 07:43 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.