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3621 21st St, Boulder, CO 80304
3621 21st St, Boulder, CO 80304 3D Tour
3621 21st St, Boulder, CO 80304 Explore 3D Tour
3621 21st St, Boulder, CO 80304
3621 21st St, Boulder, CO 80304
3621 21st St, Boulder, CO 80304
3621 21st St, Boulder, CO 80304

3621 21st St Boulder, CO 80304

$13,000,000

ACTIVE
Beds
4
Baths
5
Sqft
6,300
Acres
0.66
Year
2021
Days on Site
10
Property Type
Residential
Sub Type
Single Family
Per Square Foot
$2,063
Date Listed
Feb 11, 2026

Description of 3621 21st St, Boulder, CO 80304

Listing details for 3621 21st St, Boulder, CO 80304 : Meticulously crafted, masterfully built, and expertly curated with an elevated design, this custom home is a true masterpiece, perfectly situated on a premier lot in the exclusive Carolyn Heights neighborhood, The exquisite design and inspiring architecture of this exceptional residence ensures that every facet embodies luxury, casual elegance, and attention to detail, harmoniously blending wood, glass, stone, and steel to create an ambiance that is both inviting and inspiring. Upon entry, you'll be greeted by soaring ceilings, wide plank white oak flooring, & an open-concept main level bathed in abundant natural light streaming through expansive windows, inviting the outside in. The prodigious living area seamlessly integrates indoor & outdoor spaces, offering a glimpse of the splendid living experience that awaits. The architectural grandeur is showcased w/ a dramatic three-story open-tread wooden staircase, custom steel railings, & illuminated by bespoke lighting. The centerpiece of the home, the gourmet kitchen, boasts an impressive center island, marble & quartz countertops, artisanal tile, custom cabinetry, top-tier chef's appliances, & walk-in pantry. The elegant main floor primary bedroom suite is a tranquil retreat, w/ wall-to-wall windows, a generous walk-in closet w/custom cabinetry. The soothing primary bathroom features premium quality finishes, including designer tile, custom cabinetry, & alluring lighting.The heated pool w/ a tanning shelf, natural stone deck, & automatic pool cover takes center stage in the serene yard. Every aspect of this smart home seamlessly integrates technology, design, & automation to ensure security & convenience, and efficiency. For the discerning owner desiring a residence that embodies casual elegance & architectural interest, w/proximity to vibrant downtown Boulder & nestled in an upscale neighborhood, this property is a rare find that offers an unsurpassed lifestyle.
Listing Updated : 02-12-2026 at 11:00 PM EST
Home Details
3621 21st St, Boulder, CO 80304
Status
Active
MLS #ID
RECIR1051395
Price
$13,000,000
Bedrooms
4
Bathrooms
5
Square Footage
6,300
Acres
0.66
Year
2021
Days on Site
10
Property Type
Residential
Property Sub Type
Single-Family
Price per Sq Ft
$2,063
Date Listed
Feb 11, 2026
Community Information for 3621 21st St, Boulder, CO 80304
Address
3621 21st St
State
Colorado
Zip Code 80304
County Boulder
Schools
School Districts
High School District Boulder Valley RE 2
Utilities
Sewer
Public Sewer
Water Source
Public
Interior
Interior Features
Eat-in Kitchen, Five Piece Bath, Kitchen Island, Open Floorplan, Pantry, Vaulted Ceiling(s), Walk-In Closet(s) and Wet Bar
Appliances
Bar Fridge, Dishwasher, Disposal, Double Oven, Dryer, Freezer, Microwave, Oven, Refrigerator, Trash Compactor and Washer
Heating
Radiant
Cooling
Central Air
Fireplace
No
Exterior
Exterior
Dog Run, Gas Grill and Spa/Hot Tub
Roof
Composition
Garage Spaces
3
Foundation
HOA
Has HOA
None
Additional Information
Styles
Contemporary
Price per Sq Ft
$2,063
Listing Provided By

Patricia Dessel, 3034875472, Compass - Boulder

Source

recolorado, MLS#: RECIR1051395

Comments
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Location of 3621 21st St, Boulder, CO 80304

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This beautiful 4 beds 5 baths home is located at 3621 21st St, Boulder, CO 80304 and is listed for sale at $13,000,000.00. This home was built in 2021, contains 6300 square feet of living space, and sits on a 0.66 acre lot. This residential home is priced at $2,063.49 per square foot.

If you'd like to request a tour or more information on 3621 21st St, Boulder, CO 80304, please call us at 303-955-4220 so that we can assist you in your real estate search. To find homes like 3621 21st St, Boulder, CO 80304, you can search homes for sale in Boulder , or visit the neighborhood of Carolyn Heights , or by 80304 . We are here to help when you're ready to contact us!

Schools Near 3621 21st St, Boulder, CO 80304

Home Details
3621 21st St, Boulder, CO 80304
Status
Active
MLS #ID
RECIR1051395
Price
$13,000,000
Bedrooms
4
Bathrooms
5
Square Footage
6,300
Acres
0.66
Year
2021
Days on Site
10
Property Type
Residential
Property Sub Type
Single-Family
Price per Sq Ft
$2,063
Date Listed
Feb 11, 2026
Community Information for 3621 21st St, Boulder, CO 80304
Address
3621 21st St
State
Colorado
Zip Code 80304
County Boulder
Schools
School Districts
High School District Boulder Valley RE 2
Utilities
Sewer
Public Sewer
Water Source
Public
Interior
Interior Features
Eat-in Kitchen, Five Piece Bath, Kitchen Island, Open Floorplan, Pantry, Vaulted Ceiling(s) and Walk-In Closet(s)
Appliances
Bar Fridge, Dishwasher, Disposal, Double Oven, Dryer, Freezer, Microwave, Oven, Refrigerator and Trash Compactor
Heating
Radiant
Cooling
Central Air
Fireplace
No
Exterior
Exterior
Dog Run and Gas Grill
Roof
Composition
Garage Spaces
3
Foundation
HOA
Has HOA
None
Additional Information
Styles
Contemporary
Price per Sq Ft
$2,063
Listing Provided By

Patricia Dessel, 3034875472, Compass - Boulder

Source

recolorado, MLS#: RECIR1051395

Comments

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