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$5,900,000

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 4 Full Baths
  • 2 Partial Baths
  • 7,237 Sq. Ft.
  • 4 Car Garage
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Experience Boulder's most coveted lifestyle in this exceptional residence, just steps from Chautauqua Park and Auditorium. Set on a generous half-acre lot with over 7,200 square feet, the home combines timeless design with modern updates, recently completed by Donohoe Builders, and interiors by Deidre Oliver of Oliver Designs. The main level welcomes with a marble foyer leading to an open, light-filled floor plan. At its heart, a chef's kitchen features a striking white quartz waterfall island, Sub-Zero refrigeration, six-burner Wolf range, two Bosch dishwashers, and a built-in coffee-espresso maker. Adjacent spaces include a sitting room with sliding doors to the backyard, a stylish office with moss rock fireplace, a 5-person spa room with hot tub and outdoor shower, and a living and dining area with vaulted ceilings and wall-to-wall windows framing breathtaking Flatiron views. Upstairs, the primary suite offers a private deck, wood-burning fireplace, and luxurious bath with soaking tub, Carrera marble shower, dual walk-in closets, and laundry. A guest bedroom with adjacent full bath is ideal as a nursery, office, or overnight guest stay. The lower levels provide three additional bedrooms with walk-in closets, two shared full baths, a dedicated office with deck, media room, gym/recreation space, and flexible living areas with backyard access. Outdoors boasts, mature landscaping, a flagstone patio and multiple private decks. Thoughtful interior details like custom lighting, skylights, walnut and white marble flooring, plantation shutters, and Pella windows create an inviting, modern environment. With hiking trails, concerts, and community events just steps away, plus Pearl Street's dining and shopping a minutes drive from home, this property offers a rare combination of sophistication, comfort, and connection to Boulder's iconic natural and cultural lifestyle.

Full Property Details for 650 12th St

General

  • Price: $5,900,000
  • Taxes: $23,081 (2024)
  • Status: Active
  • Type: Single Family
  • Source: IRES
  • MLS ID: 1044496
  • Updated: 12/17/2025
  • Added to Site: 112 day(s) ago

Interior

  • Interior Features: Eat-In Kitchen, Separate Dining Room, Cathedral Ceiling(s), Workshop, Pantry, Bay or Bow Window, Walk-In Closet(s), Wet Bar, Skylights, Jack and Jill Bath, Kitchen Island, High Ceilings
  • Fireplace: Yes
  • Fireplace(s): Two or More, Bedroom, Masonry
  • Appliances: Gas Range, Double Oven, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Disposal
  • Flooring: Wood

Rooms

Bathrooms

  • Total Bathrooms: 6
  • Full Bathrooms: 4
  • 3/4 Bathrooms: 1
  • Half Bathrooms: 1
  • Main Floor Baths: 2

Bedrooms

  • Total Bedrooms: 5

Exterior

  • Exterior Features: Sprinkler System, Balcony, Hot Tub, Heated Garage, Oversized Garage
  • Porch/Patio/Deck: Patio, Deck

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Garage Spaces: 4
  • Garage Description: Attached

Location

  • Area: Boulder
  • County: Boulder
  • Subdivision: Wellington Heights

School Information

  • School District: Boulder Valley Dist RE2
  • Elementary School: Flatirons
  • Middle School: Manhattan
  • High School: Boulder

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Forced Air, 2 or more Heat Sources, 2 or More Water Heaters

Utilities

  • Gas: Yes
  • Gas: Xcel
  • Sewer: Public Sewer
  • Water: City
  • Utility Description: Natural Gas Available, Electricity Available, Cable Available, Satellite Available, High-Speed Internet Available

Structural Information

  • Architectural Style: Contemporary
  • Construction: Frame, Brick, Wood Siding
  • Exterior Const.: Frame, Brick, Wood Siding
  • Basement: Yes
  • Basement Desc.: Full, Partially Finished, Built-In Radon
  • Roof: Metal
  • Windows: Skylight(s), Window Coverings
  • Square Feet: 7,237
  • Sq. Ft. Source: Assessor
  • Living Area: 7,149 Sq. Ft.
  • Year Built: 1984

Lot Features

  • Property View: Hills
  • Lot Size (Acres): 0.52
  • Lot Size (Sq. Ft.): 22,443
  • Frontage: City Street
  • Street/Road Desc.: Asphalt
  • Fence: Yes
  • Lot Features: Corner Lot, Evergreen Trees, Deciduous Trees, Level, Sloping Lot, Rock Outcropping, House Faces West, City Limits, Paved
  • Potential Use: Single-Family
  • Zoning: RES
  • Fencing (Description): Fenced

Green Features

  • Energy Efficient: Solar Hot Water, Sun Space, Windows, Photovoltaic Owned

Financial Considerations

  • Tax Amount: $23,081
  • Tax Year: 2024
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: Private Owner
  • Exclusions: Seller's Personal Property
  • Property ID: R0006611

Listed by LIV Sotheby's Intl Realty (303) 443-6161

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Listing agents

— 650 12th St —

  • LIV Sotheby's Intl Realty

    303-443-6161

  • LIV Sotheby's Intl Realty

    303-443-6161

3034436161

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 650 12th St

School District:Boulder Valley School District Re-2
NameGradesDistance
Flatirons Elementary School
1150 7th Street, Boulder, CO 80302
K-50.7 mi
Manhattan Middle School Of The Arts And Academics
290 Manhattan Drive, Boulder, CO 80303
6-82.6 mi
Boulder High School
1604 Arapahoe Avenue, Boulder, CO 80302
9-121 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 650 12th St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
9/26/2025
Listed
$5,900,000
198.73%
MLS
6/30/2015
Sold
$1,975,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 650 12th St

Year
Property Taxes
Change
Tax Assessment
Change
2024
$23,081
2%
$262,627
-1%
2023
$22,680
11%
$266,312
12%
2021
$20,508
-5%
$238,252
3%
2022
$21,506
5%
$231,588
19%
2021
$20,508
31%
$194,509
8%
2018
$15,618
3%
$180,144
—
2017
$15,130
-3%
$180,144
—
2016
$15,638
-6%
$180,652
-7%
2019
$16,672
18%
$194,509
8%
2015
$14,156
15%
$180,652
19%
2014
$12,339
2%
$151,479
—
2013
$12,067
—
$151,479
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 650 12th St

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by LIV Sotheby's Intl Realty (303) 443-6161

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650 12th St, Boulder, CO 80302 (MLS# 1044496) is a Single Family property with 5 bedrooms, 4 full bathrooms and 2 partial bathrooms. 650 12th St is currently listed for $5,900,000 and was received on September 26, 2025. Want to learn more about 650 12th St? Do you have questions about finding other Single Family real estate for sale in Boulder? You can browse all Boulder real estate or contact a Coldwell Banker agent to request more information.

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