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$9,995,000
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Property Description
A NEW VALUE PROPOSITION: TWO RESIDENCES. ONE IRREPLACEABLE BOULDER ESTATE. Now offered together, the approximately 8,400-square-foot primary residence and separately situated 1,373-square-foot guest house-1 bedroom, 2 baths and garage-create something almost unknown in Boulder: a private compound adjoining protected Chautauqua Park. This is not simply the return of a previous listing. The offering has fundamentally changed. Privately gated at the summit of Bellevue Drive, the estate occupies what may be Boulder's finest residential site, with views across Chautauqua and the Flatirons. Direct park access places one of the West's treasured landscapes at the property's edge and ensures its surroundings remain protected. Wrightian in spirit, the architecture is shaped by terrain, water and changing mountain light. Flagstone echoes the Flatirons; hand-worked copper, Honduran mahogany and green sea glass carry the landscape indoors. The result is warm, substantial and original-an important counterpoint to architecture driven by trend rather than permanence. The guest residence changes both the lifestyle and financial equation, providing independence for family, guests, staff, office or creative use. Together, the two homes offer scale, privacy and flexibility that would be extraordinarily difficult to reproduce in Boulder today. The financial disconnect deserves equal attention. The land, entitlement, materials, craftsmanship and construction could not be recreated near the offering price. County valuation is approximately $12.7M; realistic replacement economics extend considerably higher. A discerning buyer can refine selected interiors, preserve the architecture, and unlock substantial embedded value.
Full Property Details
Full Property Details for 333 Bellevue Dr
General
- Price: $9,995,000
- Taxes: $73,402 (2025)
- Status: Active
- Type: Single Family
- Source: IRES
- MLS ID: 1066504
- Updated: 8/15/2026
- Added to Site: 7 day(s) ago
Interior
- Interior Features: Separate Dining Room, Open Floorplan, Pantry, Walk-In Closet(s), Washer/Dryer Hookup, Skylights, Kitchen Island, Theatre Room, Steam Shower, High Ceilings, Sun Room
- Fireplace: Yes
- Fireplace(s): Two or More, Gas, Living Room, Great Room
- Appliances: Gas Range, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Freezer, Gas Bar-B-Q, Some Furniture, Fire Alarm
- Flooring: Wood
Rooms
Bathrooms
- Total Bathrooms: 7
- Full Bathrooms: 1
- 3/4 Bathrooms: 5
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 5
Additional Information
- Spa: Yes
- Spa Description: Bath
- Security/Safety: Security System
- Equipment: Intercom, Fireplace Tools Included
Exterior
- Exterior Features: Sprinkler System, Balcony, Hot Tub, Heated Garage, Oversized Garage, Tandem Garage, Carriage House
- Porch/Patio/Deck: Patio, Deck
Parking
- Garage: Yes
- Attached garage: Yes
- Garage Spaces: 3
- Parking Features: Garage Door Opener, Attached
- Garage Description: Attached
Location
- Area: Boulder
- County: Boulder
- Subdivision: Caruthers
- Driving Directions: Driveway is a private driveway winding up the hillside at 333 Bellevue, wrapping around 375 Bellevue and through the gated entry. Park at the entrance to the Main house's garage doors and enter the home via the western stairway. The estate is the entire corner of Mariposa and Bellevue.
School Information
- School District: Boulder Valley Dist RE2
- Elementary School: Creekside
- Middle School: Manhattan
- High School: Boulder
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Hot Water, Heat Pump, Radiant
Utilities
- Gas: Yes
- Gas: Xcel
- Sewer: Public Sewer
- Water: City
- Utility Description: Natural Gas Available, Electricity Available, Cable Available, High-Speed Internet Available, Underground Utilities
Structural Information
- Architectural Style: In-Law Area, Contemporary
- Construction: Frame, Stone
- Exterior Const.: Frame, Stone
- Basement Desc.: None
- Roof: Metal, Rubber
- Windows: Skylight(s), Window Coverings
- Square Feet: 8,427
- Sq. Ft. Source: Assessor
- Living Area: 8,427 Sq. Ft.
- Year Built: 2004
Lot Features
- Property View: Hills, Plains View, City, Panoramic
- Lot Size (Acres): 0.89
- Lot Size (Sq. Ft.): 38,694
- Frontage: City Street, Security Gate
- Street/Road Desc.: Asphalt
- Fence: Yes
- Lot Features: Cul-De-Sac, Corner Lot, Wooded, Evergreen Trees, Deciduous Trees, Native Grass, Level, Sloping Lot, Rock Outcropping, Abuts Park, Meadow, House Faces East, House/Lot Faces SE, City Limits, Paved, Curbs, Gutters, Stree
- Potential Use: Single-Family, Additional Units
- Zoning: RES
- Fencing (Description): Partial, Security
Green Features
- Energy Efficient: Sun Space, Southern Exposure, High Efficiency Furnace
Financial Considerations
- Tax Amount: $73,402
- Tax Year: 2025
- Terms: Cash, Conventional
Disclosures and Reports
- Special Conditions: Private Owner
- Property ID: R0006040
Listed by (303) 641-3377
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Schools
Schools serving 333 Bellevue Dr
School District:Boulder Valley School District Re-2
| Name | Grades | Distance |
|---|---|---|
Creekside Elementary School At Martin Park 3740 Martin Drive, Boulder, CO 80305 | K-5 | 1.6 mi |
Manhattan Middle School Of The Arts And Academics 290 Manhattan Drive, Boulder, CO 80303 | 6-8 | 2.6 mi |
Boulder High School 1604 Arapahoe Avenue, Boulder, CO 80302 | 9-12 | 1.2 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 333 Bellevue Dr
Date
Details
Price
Change
Source
8/15/2026
Listed
$9,995,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 333 Bellevue Dr
Year
Property Taxes
Change
Tax Assessment
Change
2025
$73,402
11%
$837,563
11%
2024
$66,030
2%
$751,331
—
2023
$64,884
13%
$755,016
14%
2021
$57,230
-5%
$664,886
3%
2022
$60,017
5%
$646,288
34%
2021
$57,230
33%
$483,397
-2%
2018
$42,869
3%
$494,453
—
2017
$41,528
25%
$494,453
28%
2016
$33,355
6%
$385,320
—
2015
$31,585
-8%
$385,320
-3%
2014
$34,218
-17%
$398,000
-18%
2019
$41,433
24%
$483,397
21%
2013
$33,464
—
$398,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 333 Bellevue Dr
333 Bellevue Dr, Boulder, CO 80302 (MLS# 1066504) is a Single Family property with 5 bedrooms, 1 full bathroom and 6 partial bathrooms. 333 Bellevue Dr is currently listed for $9,995,000 and was received on August 15, 2026. Want to learn more about 333 Bellevue Dr? Do you have questions about finding other Single Family real estate for sale in Boulder? You can browse all Boulder real estate or contact a Coldwell Banker agent to request more information.

