655 12th St

Boulder, CO 80302

$4,300,000
Last Sold Price
6
Beds
7,379 Sq. Ft.
$583 / Sq. Ft.
7,379
Sq. Ft.
$583
per Sq. Ft.
Sold 3/21/18
Sold 3/21/18
a front view of multiple houses with yard and green space
a view of a garden with a houses
a view of a bird bath room and bathroom
a dining room with furniture and window
a living room with stainless steel appliances kitchen island granite countertop a refrigerator and cabinets
a view of house with outdoor space
a view of a dining room with furniture and wooden floor
a outdoor space with furniture
a kitchen with stainless steel appliances granite countertop a stove and a refrigerator
a kitchen with stainless steel appliances granite countertop a stove a sink and a refrigerator
a living room with furniture and a book shelf
a living room with furniture and a fireplace
a living room with furniture and a potted plant
an aerial view of a house with a yard
a living room with furniture and floor to ceiling windows
a living room with furniture a bookshelf and a window
a view of a grassy field

Description

Entered for comp purposes. Historic estate property situated on a half-acre lot boasts unparalleled craftsmanship, historic detail & finishes: abundant built-ins, lead glass windows & antique lighting. Tastefully maintained & updated, this light-filled & sumptuous home grandly sits on a large hidden lot, steps from the amenities & open space of Chautauqua Park. Rising 3 stories w/ Flatirons & City views & stunning wrap around porch, walk-out basement, garage home office, pool & hot tub.Entered for comp purposes. Historic estate property situated on a half-acre lot boasts unparalleled craftsmanship, historic detail & finishes: abundant built-ins, lead glass windows & antique lighting. Tastefully maintained & updated, this light-filled & sumptuous home grandly sits on a large hidden lot, steps from the amenities & open space of Chautauqua Park. Rising 3 stories w/ Flatirons & City views & stunning wrap around porch, walk-out basement, garage home office, pool & hot tub.

Listing Agents

  1. Zach Zeldner

    Zach Zeldner

    Listing Agent

    Compass

    zach.zeldner@compass.com

    P: (720)-480-7650

    CallTextEmail
  2. Listed by Leyla Steele • RE/MAX Alliance-Boulder
    P: (303)-859-3110 C: (303)-859-3110 leyla@leylasteele.com

Property Details for 655 12th Street

Locale
Boulder
LISTING UPDATED: 10/20/2025 06:58 PM

Property Details for 655 12th Street

StatusSold
MLS #844700
Days on Compass1
Taxes$13,147 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built1908
Lot Size0.46 AC / 20,037 SF
CountyBoulder County

Location

Listing Courtesy of RE/MAX Alliance on Walnut, Zach Zeldner; RE/MAX Alliance-Boulder, Leyla Steele

Sold By RE/MAX Alliance on Walnut, Leyla Steele

Add your commute

Building Information for 655 12th Street

Stories-Year Built1908Building Size-Lot Size0.46 AC / 20,037 SF

Payment Calculator

$22,053 per month

30 year fixed, 6.15% Interest

Principal and Interest

$20,957

Property Taxes

$1,096

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 655 12th Street

Summary
Location and General Information
  • Road Access 2: City Street
  • Latitude: 40.00
  • Longitude: -105.28
Parking
  • Garage SqFt: 580
  • Total Parking: 2.00
Taxes and HOA Information
  • Has HOA: No
  • HOA Fee: $.00
  • Legal Description: Lots 1-4 Inc & Strp Adj On W Blk 1 Wellington Heights
  • HOA2 Fee Amount: $0
  • Tax Year: 2016
  • HOA Transfer Fee: No
  • HOA 2 Transfer Fee: No
  • Has Association Fee: No
  • Has Association 2 Fee: No
  • Has Association Reserve: No
  • Has Association 2 Reserve: No
  • Tax Annual Amount: $13,147
  • Parcel Number: R0006612
Property
Lot Information
  • Lot Improvements: Corner Lot, Evergreen Trees, Deciduous Trees, Level, Paved
  • Lot Size Area: 19,885.00
  • Has Irrigation Water Rights: No
  • Has Improvements: No
Property and Assessments
  • Total Finished Area Source: Other
  • Living SqFt: 5659
  • Above Grade Finished Area Source: 5659
  • Sq Ft Apx: 0
  • Total Finished Area: 6588
  • Are Ditches Active: No
  • New Construction YN: No
  • Levels: Three Or More
Utilities
  • Electric: Xcel
  • Sewer: Public Sewer
  • Green Energy Efficient: Southern Exposure
Interior and Exterior Features
Exterior Features
  • Construction Materials: Brick, Stone
  • Exterior Features: Balcony, Hot Tub, Carriage House
  • Flooring: Wood
  • Outdoor Features: Private
Interior Features
  • Interior Features: Eat-in Kitchen, Separate Dining Room, Cathedral Ceiling(s), Workshop, Pantry, Wood Windows, Skylights, Kitchen Island, Full Primary Bath, Tub+Shower Primary, Luxury Features Primary Bath
  • Laundry Features: Gas Range, Self Cleaning Oven, Dishwasher, Refrigerator, Washer, Dryer
  • Window Features: Skylight(s), Window Coverings
  • Fireplaces 1: Two or More, Living Room, Family Room
  • All Bedrooms Conform: Yes
  • Full Bathrooms: 1
  • Half Bathrooms: 1
  • Rough-in Bathrooms: 0
  • Three Quarters Bathrooms: 3
  • Baths Full Additional: 0
  • Baths Full Basement: 0
  • Baths Full Upper: 1
  • 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: 1
  • Baths Three Quarters Basement: 1
  • Baths Three Quarters Lower: 0
  • Baths Three Quarters Upper: 1
  • Baths Three Quarters Main: 0
Room Information
Room 1
  • RoomDescription: Wood
  • RoomLength: 14.0
  • RoomLevel: Upper
  • RoomType: Bedroom 2
  • RoomWidth: 16.0
Room 2
  • RoomDescription: Wood
  • RoomLength: 13.0
  • RoomLevel: Upper
  • RoomType: Bedroom 3
  • RoomWidth: 14.0
Room 3
  • RoomDescription: Wood
  • RoomLength: 12.0
  • RoomLevel: Upper
  • RoomType: Bedroom 4
  • RoomWidth: 13.0
Room 4
  • RoomDescription: Wood
  • RoomLength: 13.0
  • RoomLevel: Additional
  • RoomType: Bedroom 5
  • RoomWidth: 14.0
Room 5
  • RoomDescription: Wood
  • RoomLength: 15.0
  • RoomLevel: Basement
  • RoomType: Bedroom 6
  • RoomWidth: 20.0
Room 6
  • RoomDescription: Wood
  • RoomLength: 18.0
  • RoomLevel: Main
  • RoomType: Dining Room
  • RoomWidth: 17.0
Room 7
  • RoomDescription: Wood
  • RoomLength: 17.0
  • RoomLevel: Upper
  • RoomType: Family Room
  • RoomWidth: 14.0
Room 8
  • RoomDescription: Tile
  • RoomLength: 19.0
  • RoomLevel: Main
  • RoomType: Kitchen
  • RoomWidth: 18.0
Room 9
  • RoomDescription: Tile
  • RoomLength: 10.0
  • RoomLevel: Upper
  • RoomType: Laundry
  • RoomWidth: 8.0
Room 10
  • RoomDescription: Wood
  • RoomLength: 34.0
  • RoomLevel: Main
  • RoomType: Living Room
  • RoomWidth: 16.0
Room 11
  • RoomDescription: Carpet
  • RoomLength: 17.0
  • RoomLevel: Upper
  • RoomType: Primary Bedroom
  • RoomWidth: 14.0
  • Room Features: Full Primary Bath, Tub+Shower Primary, Luxury Features Primary Bath
Rental
Rental Information
  • Horse YN: No
  • Occupant Type: Owner

Property History for 655 12th Street

DateEvent & SourcePriceAppreciation
Mar 21, 2018

Sold (Public Record)

Public Record #619233395

$4,300,000—
DateEvent & SourcePrice
03/21/2018

Sold (Public Record)

Public Record #619233395

$4,300,000

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

Public Records for 655 12th Street

Taxable ValueLand$137,906Additions$208,156Total$346,062
Tax Record2025$32,997 ($2,750 / month)
Home Facts
Beds6Baths3.8Total Finished SqFt5,304 SqFtAbove Grade Finished SqFt3,612 SqFtFinished Basement SqFt1,692 SqFtStories2Lot Size19,863 SqFtStyleSingle Family ResidenceYear Built1908Year Renovated2008Zoning1112CountyBOULDERAPN1577-06-2-21-001

Schools near 655 12th Street

This home is within Boulder Valley Re 2 School District.
Rating
School
Type
Grades
Distance
Flatirons Elementary School
Public - K to 5
Manhattan Middle School Of The Arts And Academics
Public - 6 to 8
Boulder High School
Public - 9 to 12
University Hill Elementary School
Public - PK to 5
Rating
School
Distance
Flatirons Elementary School
PublicK to 5

Manhattan Middle School Of The Arts And Academics
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 RE/MAX Alliance on Walnut, Zach Zeldner; RE/MAX Alliance-Boulder, Leyla Steele

Based on information submitted to the MLS GRID as of 10/20/2025 06:58 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.