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3945 Promontory CourtBoulder, CO 80304

For Sale

$2,995,000

Smart Buyer Rebate $29,950

Bordering Boulder's scenic greenbelt, this contemporary European-inspired residence offers exceptional privacy and immediate access to nature. Tucked into a coveted northwest Boulder enclave, the home is surrounded by mature trees, native aspen, and curated gardens that create a sense of seclusion and serenity. Impeccably maintained, the property includes a walk-out lower level with private entry which is perfect for a guest suite, in-law apartment, or additional rental unit. Even more there is a fully equipped, income-producing ADU attached to the oversized detached garage. Indoors, the light-filled layout features clean architectural lines, open-concept living spaces, and an ultra-modern kitchen, all in pristine condition. Multiple sun-drenched patios and decks foster a seamless connection to the outdoors, where expansive views, lush landscaping, and total privacy elevate daily living. Step directly off the property to connect with upper and lower Wonderland Lake trails, your private gateway to open space, fresh air, and endless recreation. A private tennis and swimming facility is also just a short walk away. A rare offering that blends design, function, and nature in perfect balance this is Boulder living!Value proposition, the property includes a lovely lower level ADU with walk-out access and privacy. Large one bedroom with full kitchen and very nice and bright living space. Ample parking and based on Comps with ADU's in the immediate market, annual gross income comps at $2.00 per square per year. Beside the ADU, the garage has a studio, office or flex space. Lovely clean and bright, comfortable Call listing agent for more info.

Listed by Joel Ripmaster

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License #IRP12286

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Slifer Smith & Frampton-Bldr

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303-443-3377

Last updated September 10, 2025

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Source: REcolorado #IR1033748

Listing Facts

  • TypeSingle-family
  • NeighborhoodWonderland Hills
  • Bedrooms4
  • Bathrooms5
  • Days on Prevu128
  • HOA/Maint. Fees$725/annual
  • Taxes$12,399/year
  • Size4,093 sqft
  • Price per sqft$732

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

06/11/2025
Price Decreased
$2,995,000
05/05/2025
Listed by Slifer Smith & Frampton-Bldr
$3,150,000

Property Details for 3945 Promontory Court

Association

Amenities

  • Association Amenities: Clubhouse, Pool, Tennis Court(s)

Fees

  • Association Fee: $725.00 Annually
  • Association Fee Includes: Reserves

General

  • Association Name: Wonderland Hill Pool&Tennis

Exterior

Construction

  • Roof: Other
  • Structure Type: House
  • Window Features: Double Pane Windows, Window Coverings
  • Year Built: 1984
  • Architectural Style: Contemporary
  • Construction Materials: Stucco
  • Exterior Features: Balcony, Tennis Court(s)

Features

  • Fencing: Fenced
  • Patio And Porch Features: Deck, Patio
  • Pool Features: Private
  • Road Frontage Type: Public
  • View: Mountain(s), Plains, Water

Measurements

  • Building Area Total: 4,093
  • Lot Features: Corner Lot, Cul-De-Sac, Open Space, Sprinklers In Front
  • Lot Size Acres: 0.30
  • Lot Size Square Feet: 13,042

Financial

Taxes

  • Parcel Number: R0095451
  • Tax Annual Amount: $12,399.00
  • Tax Year: 2024

Interior

Features

  • Appliances: Dishwasher, Dryer, Refrigerator, Washer
  • Fireplace Features: Free Standing, Living Room
  • Flooring: Vinyl, Wood
  • Interior Features: Eat-in Kitchen, Five Piece Bath, Open Floorplan, Smart Thermostat, Vaulted Ceiling(s), Wet Bar

Measurements

  • Living Area: 4,093

Rooms

  • Basement: Crawl Space, None
  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Three Quarter: 1
  • Bathrooms Total Integer: 5
  • Bedrooms Total: 4
  • Main Level Bathrooms: 3
  • Main Level Bedrooms: 2

Other

Location

  • Subdivision Name: Wonderland Hill 7 & 8

Parking

Parking

  • Garage Spaces: 2
  • Parking Features: Oversized
  • Parking Total: 2

Schools

Elementary School

  • Elementary School: Foothill
  • Elementary School District: Boulder Valley RE 2

High School

  • High School: Boulder
  • High School District: Boulder Valley RE 2

Middle or Junior School

  • Middle Or Junior School: Centennial

Utilities

Equipment

  • Cooling: Ceiling Fan(s), Central Air
  • Heating: Baseboard, Forced Air
  • Sewer: Public Sewer
  • Utilities: Cable Available, Electricity Available, Internet Access (Wired), Natural Gas Available
  • Water Source: Public

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Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.