2123 4th St

Boulder, CO 80302

$4,000,000
Last Sold Price
3
Beds
3,431 Sq. Ft.
$1,166 / Sq. Ft.
3,431
Sq. Ft.
$1,166
per Sq. Ft.
Sold 7/22/21
Sold 7/22/21
a view of an house with backyard space and garden
a view of house with outdoor space and sitting area
a front view of a house with a garden
a front view of a house with garden
a living room with furniture and a wooden floor
a living room with furniture and a wooden floor
a view of a dining room with furniture and wooden floor
a open kitchen with stainless steel appliances granite countertop a stove and white cabinets
a dining room with furniture a chandelier and wooden floor
a kitchen with kitchen island granite countertop lots of counter top space
a view of living room and kitchen with furniture wooden floor and windows
a dining room with furniture and window
a living room with fireplace furniture and a wooden floor
a bathroom with a sink and a mirror
a bedroom with a bed next to a window
a bedroom with furniture and a chair
a bathroom with a granite countertop sink and a mirror
a living room with furniture and a window
a bed room with two bed and a large window
a living room with furniture and a fireplace
a bedroom with furniture and a large window
a bathroom with a sink a vanity and a large mirror
a living room with furniture and flat screen tv
a bedroom with a bed and wooden floor
a bedroom with furniture and a window
a living room with furniture and a large window
a bathroom with a sink a mirror and a toilet
a view of a workspace with furniture
a bathroom with a sink a mirror and a shower
a large kitchen with a large window
a living room with kitchen view and a large window
a view of a balcony with wooden fence
a view of a balcony with table and chairs
a view of a back yard
a view of a yard with a tree
a view of a garden with plants
a front view of a house with a garden
a view of a deck with a yard

Description

This special home is situated perfectly at the cusp of Mapleton Hill & Knollwood, with easy access to Downtown Boulder/Pearl Street and Mount Sanitas trails. The home exudes a thoughtful blend of elegance, charm, and offers multiple/wonderful living spaces indoors and outdoors to live, work, and relax. With a versatile floor plan, upper floor could double as office/study: stunning Flatirons Views. Views from the home are spectacular! A special property--feels like your private botanic garden!This special home is situated perfectly at the cusp of Mapleton Hill & Knollwood, with easy access to Downtown Boulder/Pearl Street and Mount Sanitas trails. The home exudes a thoughtful blend of elegance, charm, and offers multiple/wonderful living spaces indoors and outdoors to live, work, and relax. With a versatile floor plan, upper floor could double as office/study: stunning Flatirons Views. Views from the home are spectacular! A special property--feels like your private botanic garden!
  1. Listed by Eric Wright • WK Real Estate
    P: (720)-564-6052 C: (303)-883-7245 ewright@wkre.com

Property Details for 2123 4th Street

Locale
Boulder
Description 1
House
LISTING UPDATED: 10/20/2025 07:29 PM

Property Details for 2123 4th Street

StatusSold
MLS #941212
Days on Compass17
Taxes$14,444 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built1925
Lot Size0.40 AC / 17,424 SF
CountyBoulder County

Location

Listing Courtesy of WK Real Estate, Eric Wright

Sold By Berkshire Hathaway HomeServices Rocky Mountain, Realtors-Boulder, Linda Sirnes

Add your commute

Building Information for 2123 4th Street

Stories-Year Built1925Building Size-Lot Size0.40 AC / 17,424 SF

Payment Calculator

$20,699 per month

30 year fixed, 6.15% Interest

Principal and Interest

$19,495

Property Taxes

$1,204

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 2123 4th Street

Summary
Location and General Information
  • Road Access 2: City Street
  • Latitude: 40.02
  • Longitude: -105.29
Parking
  • Garage SqFt: 416
  • Total Parking: 2.00
Taxes and HOA Information
  • Has HOA: No
  • HOA Fee: $.00
  • Legal Description: TRACT 234A & E 1/2 VACATED STREET & TRACT 235A 25-1N-71 0.42 AC M/L
  • Tax Information: No
  • HOA2 Fee Amount: $0
  • Tax Year: 2020
  • Tax Annual Amount: $14,444
  • Parcel Number: R0002523
Property
Lot Information
  • Lot Improvements: Rolling Lot, House Faces East, Paved, Water Rights Excluded
  • Lot Size Area: 17,348.00
  • Has Irrigation Water Rights: No
  • Has Improvements: No
Property and Assessments
  • Total Finished Area Source: Assessor
  • Living SqFt: 1666
  • Above Grade Finished Area Source: 1666
  • Sq Ft Apx: 1858
  • Total Finished Area: 3431
  • Are Ditches Active: No
  • New Construction YN: No
  • Levels: Three Or More
Utilities
  • Solar PV Kilowatts: .00
  • Solar PV Year Installed: 2018
  • Has Solar Photovoltaic: 1
  • Solar PV Kilowatts: .00
  • Solar PV Year Installed: 2018
  • Electric: Xcel
  • Sewer: Public Sewer
Interior and Exterior Features
Exterior Features
  • Construction Materials: Frame, Stone
  • Exterior Features: Sprinkler System
Interior Features
  • Interior Features: Eat-in Kitchen, Separate Dining Room, Steam Shower, 5 Piece Primary Bath
  • Laundry Features: Gas Range, Dishwasher, Refrigerator, Washer, Dryer, Microwave, Gas Bar-B-Q
  • Window Features: Window Coverings
  • Fireplaces 1: Two or More
  • All Bedrooms Conform: No
  • 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: 0
  • Baths Full Main: 0
  • Baths Full Lower: 2
  • 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
  • RoomLength: 18.0
  • RoomType: Bedroom 2
  • RoomWidth: 17.0
Room 2
  • RoomDescription: Wood
  • RoomLength: 16.0
  • RoomLevel: Upper
  • RoomType: Bedroom 3
  • RoomWidth: 11.0
Room 3
  • RoomDescription: Wood
  • RoomLength: 19.0
  • RoomLevel: Main
  • RoomType: Dining Room
  • RoomWidth: 13.0
Room 4
  • RoomDescription: Wood
  • RoomLength: 19.0
  • RoomLevel: Main
  • RoomType: Family Room
  • RoomWidth: 17.0
Room 5
  • RoomDescription: Wood
  • RoomLength: 21.0
  • RoomLevel: Main
  • RoomType: Kitchen
  • RoomWidth: 16.0
Room 6
  • RoomDescription: Other
  • RoomLength: 13.0
  • RoomLevel: Lower
  • RoomType: Laundry
  • RoomWidth: 7.0
Room 7
  • RoomDescription: Wood
  • RoomLength: 13.0
  • RoomLevel: Main
  • RoomType: Living Room
  • RoomWidth: 13.0
Room 8
  • RoomDescription: Wood
  • RoomLength: 18.0
  • RoomLevel: Lower
  • RoomType: Primary Bedroom
  • RoomWidth: 17.0
  • Room Features: 5 Piece Primary Bath
Room 9
  • RoomDescription: Other
  • RoomLength: 15.0
  • RoomLevel: Lower
  • RoomType: Study
  • RoomWidth: 13.0
Rental
Rental Information
  • Horse YN: No
  • Occupant Type: Owner

Property History for 2123 4th Street

DateEvent & SourcePriceAppreciation
Jul 16, 2021

Sold (Public Record)

Public Record #1467054905

$4,000,000—
DateEvent & SourcePrice
07/16/2021

Sold (Public Record)

Public Record #1467054905

$4,000,000

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

Public Records for 2123 4th Street

Taxable ValueLand$156,981Additions$57,106Total$214,087
Tax Record2025$20,494 ($1,708 / month)
Home Facts
Beds2Baths2.5Total Finished SqFt3,847 SqFtAbove Grade Finished SqFt1,989 SqFtFinished Basement SqFt1,858 SqFtStories2Lot Size17,337 SqFtStyleSingle Family ResidenceYear Built1925Year Renovated1989Zoning1112CountyBOULDERAPN1461-25-3-00-023

Schools near 2123 4th Street

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.

Listing Courtesy of WK Real Estate, Eric Wright

Based on information submitted to the MLS GRID as of 10/20/2025 07:29 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.