Status: Active
3633 21st St
Boulder, CO 80304
$11,500,000
------/mo*
CalculateExquisite secluded sanctuary in the heart of Carolyn Heights. Tucked into one of Boulder's most prestigious enclaves, this estate offers a rare fusion of luxury, privacy, and relaxed sophistication . Set on a serene, tree-lined .81-acre level lot, this 7-bedroom, 5-bathroom oasis is where inspired design meets effortless living. Stunning views of the Flatirons awaken you each morning from your bed. Those same views tease your senses from the expansive patios with fully retractable doors that blur the lines from inside to outside. Bathed in natural light from soaring windows and skylights, every detail has been thoughtfully curated. Custom walnut doors and paneling welcome you into the home and invite you to explore. The chef's kitchen is a showstopper-featuring custom cabinetry, an oversized marble island, and top-of-the-line Thermador appliances. The open-concept layout flows seamlessly into a lush backyard oasis, perfect for gatherings or quiet moments of retreat by the fire pit. The primary suite is a haven unto itself with vaulted ceilings, a spa-inspired bath, spacious walk-in closet, and private deck access. With multiple flexible living spaces-including a dedicated home office and media room, this home is ready to adapt to your every need. Located moments from North Boulder's best hiking trails, cycling routes, farmers markets, and local eateries-yet nestled in the peaceful privacy of a mature, sought-after neighborhood. Elevated living starts here. LIVE BOULDER, LOVE BOULDER! Original home built in 1987. Home had a studs up remodel that was completed in early 2024.
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- Bedrooms
- 7
- Baths
- 4.5
- House Size
- 6,988 sqft
- Year Built
- 2024
- Lot Size
- 0.81 ac
- School District
- Boulder Valley RE 2
Location
Market Insights
In the last 30 days, homes for sale in 80304, Boulder, CO were on the market for a median of 61.5 days and 0% of homes sold above list price.
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Start TourInterior Information
- appliances
- Dishwasher
- Dryer
- Oven
- Refrigerator
- Washer
- basement
- Daylight
- Full
- cooling
- Ceiling Fan(s)
- features
- Eat-in Kitchen
- Kitchen Island
- Open Floorplan
- Pantry
- Vaulted Ceiling(s)
- Walk-in Closet(s)
- fireplace
- Gas
- flooring
- Tile
- Wood
- heating
- Hot Water
- Radiant
- view
- Mountain(s)
Exterior Information
- fence
- Fenced
- Partial
- patio and porch
- Deck
- Patio
- roof
- Composition
Property Information
- architectural style
- Contemporary
- construction
- Frame
- lot
- Wooded
- Level
- Sprinklers In Front
- parking
- Oversized
- Attached
- security features
- Fire Sprinkler System
- sewer
- Public Sewer
- subdivision name
- 21st/linden Sub
- utilities
- Electricity Available
- Natural Gas Available
- water source
- Public
- Listed By Marybeth Emerson
- (720) 394-1997
- The Agency - Boulder
- (720) 577-5503
- kacey.bingham@theagencyre.com
- MLS IR1031592
Tax History
Date | Property Tax | Land | Additions | Tax Assessment |
|---|---|---|---|---|
| 2024 | $29,936 (+2.8%) | $1,371,600 | $3,767,400 | $5,139,000 (+1%) |
| 2023 | $29,119 (+27%) | $1,371,600 | $3,716,100 | $5,087,700 (+43.2%) |
| 2022 | $22,935 (0%) | $1,028,600 | $2,525,000 | $3,553,600 (0%) |
| 2021 | $22,935 (+4.9%) | $1,028,600 | $2,525,000 | $3,553,600 (-1.3%) |
| 2020 | $21,870 | $1,171,000 | $2,429,000 | $3,600,000 |
Tax data provied by Attom
Monthly Payments Calculator
Estimated Monthly Cost
$63,386
30 year fixed·6.9% interest rate
- Principal & Interest
- $60,591
- Property Taxes
- $2,495
- Home Insurance
- $300
- HOA Fees
- $0
*All calculations are estimates and provided for informational purposes only. Actual amounts may vary.
