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3633 21st street

Boulder, CO 80304

$11,500,000

7 BEDS 5 BATHS
6,988 SQFT
Residential - Single Family
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Bedrooms 7
Total Baths 5
Full Baths 3
Square Feet 6988
Status Active
MLS # IR1031592
County Boulder
More Info
Category Residential - Single Family
Status Active
Square Feet 6988
MLS # IR1031592
County Boulder
Exquisite secluded sanctuary in the heart of Carolyn Heights. Tucked into one of Boulder's most prestigious enclaves, this estate offers a rare fusion of luxury, privacy, and relaxed sophistication . Set on a serene, tree-lined .81-acre level lot, this 7-bedroom, 5-bathroom oasis is where inspired design meets effortless living. Stunning views of the Flatirons awaken you each morning from your bed. Those same views tease your senses from the expansive patios with fully retractable doors that blur the lines from inside to outside. Bathed in natural light from soaring windows and skylights, every detail has been thoughtfully curated. Custom walnut doors and paneling welcome you into the home and invite you to explore. The chef's kitchen is a showstopper-featuring custom cabinetry, an oversized marble island, and top-of-the-line Thermador appliances. The open-concept layout flows seamlessly into a lush backyard oasis, perfect for gatherings or quiet moments of retreat by the fire pit. The primary suite is a haven unto itself with vaulted ceilings, a spa-inspired bath, spacious walk-in closet, and private deck access. With multiple flexible living spaces-including a dedicated home office and media room, this home is ready to adapt to your every need. Located moments from North Boulder's best hiking trails, cycling routes, farmers markets, and local eateries-yet nestled in the peaceful privacy of a mature, sought-after neighborhood. Elevated living starts here. LIVE BOULDER, LOVE BOULDER! Original home built in 1987. Home had a studs up remodel that was completed in early 2024.
Location not available

Exterior Features

  • Style Contemporary
  • Construction Single Family Residence
  • Siding Frame
  • Roof Composition
  • Garage No
  • Garage Description Oversized
  • Water Public
  • Sewer Public Sewer
  • Lot Description Level, Sprinklers In Front

Interior Features

  • Appliances Dishwasher, Dryer, Oven, Refrigerator, Washer
  • Heating Hot Water, Radiant
  • Cooling Air Conditioning-Room, Ceiling Fan(s)
  • Fireplaces Description Gas
  • Living Area 6,988 SQFT
  • Year Built 2024

Neighborhood & Schools

  • Subdivision 21st/Linden Sub
  • Elementary School Columbine
  • Middle School Centennial
  • High School Boulder

Financial Information

  • Parcel ID R0004105
  • Zoning RES

Additional Services

Internet Service Providers

Listing Information

Listing Provided Courtesy of The Agency - Boulder - (720) 394-1997
Listings provided courtesy of the RE Colorado MLS as distributed by MLS GRID.

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Listing data is current as of 12/17/2025.

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