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$12,000,000
Monthly Est:$59,728
4 Beds
5 Baths1 full bath + 1 half bath
7,099sqft
3621 21st Street, Boulder, CO 80304
$12,000,000
$59,728/moEst:
Get Pre-Approved
Single Family Residence
Built in 2021
$-- HOA
28,700 sqft lot
$1,690/sq.ft
Description
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 out...
Continue Reading- Houzeo last checked: 12 minutes ago
- Listing updated: September 17, 2026 at 4:08 pm
- Listing Provided by: Patricia Dessel (303) 475-6097 | Compass - Boulder (303) 487-5472
- Source: DENVER (RE COLORADO) MLS-CO | MLS#: IR1051395
Property Details
Status
Active
Type
Single Family Residence
No. of Stories
-
County
City
Neighborhood
--
Year Built
2021
HOA Fees
-
Finished Area
7,099 sqft
Lot Size
28,700 sqft lot
Basement Area
- sqft
MLS Name
DENVER (RE COLORADO) MLS
MLS Number
IR1051395
MLS Status
Active
Days on Market
224
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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 4
Bathrooms: 5
Kitchen
Level: Main
Area: Square Feet
Dimensions: 350.00
Game Room
Level: Lower
Area: Square Feet
Dimensions: 400.00
Dining Room
Level: Main
Laundry
Level: Main
Area: Square Feet
Dimensions: 99.00
Bathroom Full
Level: Main
Bathroom Three Quarter
Level: Upper
Bathroom Three Quarter
Level: Lower
Bedroom
Level: Upper
Area: Square Feet
Dimensions: 240.00
Living Room
Level: Main
Area: Square Feet
Dimensions: 806.00
Bathroom Half
Level: Main
Bedroom
Level: Main
Area: Square Feet
Dimensions: 289.00
Bedroom
Level: Lower
Area: Square Feet
Dimensions: 256.00
Bathroom Three Quarter
Level: Upper
Bedroom
Level: Upper
Area: Square Feet
Dimensions: 204.00
Office
Level: Main
Area: Square Feet
Dimensions: 272.00
Interior
Exterior Features
Dog Run, Gas Grill, Spa/hot Tub
Interior Features
Eat In Kitchen, Five Piece Bath, Kitchen Island, Open Floorplan, Pantry, Vaulted Ceiling(s), Walk In Closet(s), Wet Bar
Appliances
Bar Fridge, Dishwasher, Disposal, Double Oven, Dryer, Freezer, Microwave, Oven, Refrigerator, Trash Compactor, Washer
Cooling
Central Air
Heating
Radiant
Window Features
Double Pane Windows, Window Coverings
Flooring
Tile, Wood
Sewer
Public Sewer
Construction
Year Built
Year Built: 2021
Home type
Single Family Residence
Roof
Composition
Architectural Style
Contemporary
Construction Materials
Block, Brick, Stone, Frame
Utilities & Energy
Basement
Full
Water Source
Public
Pool Features
Private
Laundry Features
In Unit
Fireplace Features
Gas, Living Room
Security Features
Fire Sprinkler System, Smoke Detector(s)
Parking Features
Heated Garage, Oversized
Utilities
Cable Available, Electricity Available, Internet Access (wired), Natural Gas Available
Other Features
Vegetation
Grassed, Wooded
Patio And Porch Features
Patio
Subdivision Name
Carolyn Heights
Lot Features
Level, Sprinklers In Front
Price History
| Date | Event | Price |
|---|---|---|
06/04/2026 Source: | Listed for Sale | $12,000,000 -7.69% $1,905/sqft |
02/19/2026 Source: | Contingent (Active Under Contract) | $13,000,000 $2,063/sqft |
02/11/2026 Source: | Listed for Sale | $13,000,000 $2,063/sqft |
12/07/2025 Source: | Listing Removed | $13,000,000 $2,063/sqft |
01/29/2025 Source: | Coming Soon | $13,000,000 $2,063/sqft |
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