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3945 Promontory CourtBoulder, CO 80304

For Sale

$2,875,000

Smart Buyer Rebate $28,750

In the sought-after Wonderland Hills community of North Boulder, this 4,093-square-foot residence has been extensively renovated and pairs a turnkey main home with a permitted, income-producing ADU. Backing to the protected City of Boulder greenbelt, the home enjoys open-space and foothill views, remarkable privacy, and trail access. At its heart is a lovely, light-filled great room, opened up and crowned by a wood-paneled vaulted ceiling, with a wall of glass framing the open space and a gas fireplace set beneath a picture window. The remodeled kitchen is a showpiece in custom copper, and warm Brazilian cherry hardwood runs throughout the main level. The primary suite is a true retreat, its modern Euro-style bath appointed with beautiful accents, an oversized glass shower, double vanities, and a wonderful soaking tub that looks out onto nature. Enjoy the built-in infrared sauna, plus several other beautifully finished baths. The walk-out lower level is a fully remodeled, permitted ADU of roughly 1,260 square feet, with its own kitchen, bedroom, bath, living area, a separate radiant heat system, and a private French-door entrance to a garden patio. Rented in the past, it is an ideal setup for guests, extended family, or income, especially timely with the Sundance Film Festival arriving in Boulder in 2027. A detached garage includes a finished office with its own entrance and a half-bath. The upgrades run deep, including a new roof, full exterior stucco, fire-rated Brazilian hardwood decks with glass railings, a pergola over the main deck, two new driveways, and a beautifully redesigned landscape. All just minutes from Wonderland Lake, the private swim and tennis club, trails, Lucky's Market, and Foothill, Centennial, and Boulder High schools.

Listed by Joel Ripmaster

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License #IRP12286

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Madison & Company Properties - Boulder

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303-641-3377

Last updated July 29, 2026

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Source: REcolorado #IR1049021

Listing Facts

  • TypeSingle-family
  • NeighborhoodWonderland Hills
  • Bedrooms4
  • Bathrooms5
  • Days on Prevu208
  • HOA/Maint. Fees$725/annual
  • Taxes$12,399/year
  • Size4,093 sqft
  • Price per sqft$702

Amenities

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

Location

Mortgage Calculator

Listing History

07/20/2026
Price Decreased
$2,875,000
01/05/2026
Listed by Madison & Company Properties - Boulder
$2,995,000

Property Details for 3945 Promontory Court

Association

Amenities

  • Association Amenities: Clubhouse, Playground, 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, Spa/Hot Tub, Tennis Court(s)

Features

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

Measurements

  • Building Area Total: 4,093
  • Lot Features: Corner Lot, Cul-De-Sac, Meadow, 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

  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Three Quarter: 1
  • Bathrooms Total Integer: 5
  • Bedrooms Total: 4
  • Main Level Bathrooms: 3
  • Main Level Bedrooms: 3

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

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 5 bathrooms in this single-family home at 3945 Promontory Court.

What schools are nearby to 3945 Promontory Court?

Nearby schools include the Foothill Elementary School, Centennial Middle School, and Boulder High School.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 3945 Promontory Court.

What are the annual taxes for 3945 Promontory Court?

Annual taxes for this single-family home are estimated at $12,399.

How does 3945 Promontory Court compare to other single-family homes in Wonderland Hills?

This single-family home is listed 27% below the average price for single-family homes in Wonderland Hills and has been on the market for 120 more days than the typical home in this area.

What building or home owners association is the single-family home part of?

This single-family home is part of the Wonderland Hill Pool & Tennis home owners association.

What is the square footage on this single-family home?

According to the MLS, this listing is 4,093 sqft.

3945 Promontory Court is a 4-bedroom, 5-bath single-family home for sale in Boulder CO 80304. Available on Prevu for 208 days at $2,875,000. This includes a recent price decrease of $120,000. This home features 4,093 square feet of living space, located in Wonderland Hills. The median listing price for single-family homes in this area is $2,995,000. Nearby schools include Foothill Elementary School, Centennial Middle School, and Boulder High School. Property amenities include private outdoor space, dishwasher, air conditioning, parking, swimming pool, and washer/dryer. Browse more single-family home listings in Boulder.

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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.