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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

$12,000,000

ACTIVE
Beds
4
Baths
5
Sqft
6,300
Acres
0.66
Year
2021
Days on Site
49
Property Type
Residential
Sub Type
Single Family
Per Square Foot
$1,905
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 : 02-27-2026 at 6:15 PM MST
Listing Provided By

Patricia Dessel, 3034875472, Compass - Boulder

Source

recolorado as distributed by MLS GRID, MLS#: RECIR1051395

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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 $12,000,000.00. 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 $1,904.76 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 303-952-6168 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

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HomeBoulderCarolyn Heights
Contact

Kyle Gephart
Accession Real Estate
8200 S Quebec St. Ste A3 - PMB#144
Centennial, CO 80112
O: (303) 952-6168
M: (720) 520-4448
E: Email Us
ER.100088385

Listings courtesy of REColorado as distributed by MLS GRID.
Based on information submitted to the MLS GRID.
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