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Home » Real Estate » CO » Boulder » 80304 » 3621 21st St, Boulder, CO, 80304
$10,000,000

3621 21st St, Boulder, CO, 80304

5 Beds
4 Baths
7,246 Square Feet
Sold Before Published. Designed by Boulder architects, Annette + Dennis Martin, this 2-story Carolyn Heights home maximizes natural light through handsome expanses of windows and warm, luxurious finishes. An open-concept main level connects the living areas to the grand stair hall, creating cohesion throughout. The chef's kitchen invites endless home gatherings w/ a Calaccatta marble island, Caesarstone quartz perimeter and Wolf/SubZero appliances. A motif of high-end finishes and designer lighting flows throughout the home and into a primary suite that is exemplary of luxury living. Outdoor connectivity is celebrated at nearly every juncture as views of the professionally designed backyard pour in through each window. Sliding glass doors open to reveal a terrace grounded by Colorado Buff limestone that frames a vast pool which is accented by a stunning pool house. This home honors the environment w/ an astounding Net Zero energy rating supported by solar and geothermal heating.
Offered By
R Tim Goodacre, Goodacre & Company

Property Details

Property Type Residential
Status Closed
Bedrooms 5
Property Sub Type Single Family Residence
Square Feet 7,246
MLS # 976468

Market Trends

New Properties On Market
66
20% Increase In New Listings
Average Asking Price
$2,006,590
$845,205 Decrease In Avg Asking Price
Average Asking Price / Sq. Ft.
$765
$78 Decrease In List Price/Sq. Ft.
Average Days On Market
9
22 Day Decrease In Days On Market
Data as of Apr 03, 2026. Remaining statistics above are calculated on activity within the period from Feb 01, 2026 to Mar 31, 2026.

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