7 Beds
6,988 sqft
$11,500,000
3633 21st St Boulder Boulder CO, 80304
Price per sqft
$1,645.68
Built in
2024
Property size
6,988 sqft
Property type
Residential
Garages
3
Overview
Additional information
- MLSⓇ ID 
- 1031592 
Interior features
- Total Stories 
- 3 
- Bedrooms 
- 7 
- Total Bathrooms 
- 5 
- Full Bathrooms 
- 3 
- Half Bathrooms 
- 1 
- Three-Quarter Bathrooms 
- 1 
- Interior Features 
- Study Area, Eat-in Kitchen, Separate Dining Room, Cathedral/Vaulted Ceilings, Open Floorplan, Pantry, Walk-In Closet(s), Kitchen Island 
- Appliances 
- Gas Range/Oven, Dishwasher, Refrigerator, Washer, Dryer 
- Laundry Description 
- Main Level 
- Floor Description 
- Wood Floors 
- Fireplace 
- Yes 
- Fireplace Description 
- Gas 
- Cooling 
- Yes 
- Cooling Description 
- Wall/Window Unit(s), Ceiling Fan(s) 
- Heating 
- Yes 
- Heating Description 
- Hot Water, Zoned Heat, Radiant 
- Basement 
- Yes 
Exterior features
- Lot Size 
- 0.81 Acres 
- Lot Features 
- Lawn Sprinkler System, Wooded, Level 
- Architectural Style 
- Contemporary/Modern 
- Roof 
- Composition 
- Sewer 
- City Sewer 
- Patio And Porch 
- Patio, Deck 
- Window 
- Wood Frames 
School information
- School District 
- Boulder Valley Dist RE2 
- High School 
- Boulder 
- Elementary School 
- Columbine 
Other property details
- Area Name 
- Boulder 
- Taxes 
- $29,936 
- Tax Frequency 
- Annually 
- Days on Market 
- 178 
- Accessibility 
- Level Lot, Level Drive, Low Carpet 
- Garage 
- Yes 
- Garage Spaces 
- 3 
- Parking 
- Oversized 
- View 
- Yes 
- View Description 
- Foothills View 
- County 
- Boulder 
- Water Source 
- City Water, City of Boulder 
- New Construction 
- Yes 
- Utilities 
- Natural Gas Available, Electricity Available 
- Zoning 
- RES 
- 55+/Senior Community 
- No 
Listed by Marybeth Emerson with The Agency - Boulder
Listing Contact: 7203941997 
The IDX display contains information sourced from Information and Real Estate Services, LLC (IRES) as of 10/17/2025. This data is intended solely for personal, non-commercial use and is not to be utilized for any other purposes except to identify potential properties for purchase. Information deemed reliable but not guaranteed by the MLS. Buyers are responsible for verifying the accuracy of all information and are advised to conduct their own investigations or seek professional assistance. Other sources besides the Listing Agent may have contributed to the MLS data presented. Unless expressly specified in writing, the Broker/Agent has not confirmed any information obtained from external sources. The Broker/Agent may or may not have acted as the Listing and/or Selling Agent and cannot guarantee the accuracy of property locations displayed on any map.
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Data last updated on 10/17/2025 at 6:31 AM UTC