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$2,995,000

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 3 Full Baths
  • 2 Partial Baths
  • 4,093 Sq. Ft.
  • 2 Car Garage
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Priced out of Trailhead, Mapleton Hill, or Newlands but unwilling to compromise on the Northwest Boulder lifestyle? This may be the opportunity you've been waiting for.Many Boulder homes proudly back to open space. Few deliver the complete lifestyle found here.At 3945 Promontory, your front door opens to the best of Wonderland Hill living: the neighborhood's beloved private swim and tennis club, Wonderland Lake, miles of trails, and one of Boulder's most active and sought-after communities. Out the back door, the world changes completely. Bordering the City of Boulder's permanent greenbelt, the property opens to a vast expanse of protected open space that feels less like a backyard and more like thousands of acres of your own private preserve. This artistic, European-inspired contemporary is designed for buyers who value lifestyle over perfection and understand that finishes can be changed, but locations like this are nearly impossible to recreate. The flexible floorplan offers exceptional opportunities for today's active Boulder buyer. A private-entry ADU can provide income, accommodate extended family, or create independent guest quarters. An attached studio adjacent to the oversized garage is ideal as a home office, fitness space, art studio, entrepreneurial headquarters. Multiple decks/ patios, mature trees, curated gardens, a firepit, hot tub create an outdoor environment. This is not a home designed for people slowing down. Designed for building something-families, professionals, entrepreneurs, creatives, outdoor enthusiasts who want to live Boulder's most coveted neighborhoods while creating value through thoughtful updates over time. Why compete for a fully remodeled home when you can secure one of Northwest Boulder's most remarkable settings and make it distinctly your own?Wonderland Lake, private swim and tennis amenities, walkable schools, Lucky's Market, downtown Boulder, open space are all part of everyday life here. Live. Create. Explore. Earn.

Full Property Details for 3945 Promontory Ct

General

  • Price: $2,995,000
  • HOA FEE: $60/month
  • HOA FEE FREQ.: Annually
  • Taxes: $12,399 (2024)
  • Status: Active
  • Type: Single Family
  • Source: IRES
  • MLS ID: 1049021
  • Updated: 6/23/2026
  • Added to Site: 194 day(s) ago

Interior

  • Interior Features: Eat-In Kitchen, Cathedral Ceiling(s), Open Floorplan, Natural Woodwork, Wet Bar
  • Fireplace: Yes
  • Fireplace(s): Free Standing, Living Room
  • Appliances: Dishwasher, Refrigerator, Washer, Dryer, Fire Alarm
  • Flooring: Wood

Rooms

Bathrooms

  • Total Bathrooms: 5
  • Full Bathrooms: 3
  • 3/4 Bathrooms: 1
  • Half Bathrooms: 1
  • Main Floor Baths: 2

Bedrooms

  • Total Bedrooms: 4

Additional Information

  • Pool: Yes
  • Pool Description: Private

Exterior

  • Exterior Features: Sprinkler System, Balcony, Hot Tub, Tennis Court(s), Oversized Garage
  • Porch/Patio/Deck: Patio, Deck

Parking

  • Garage: Yes
  • Garage Spaces: 2
  • Parking Features: Detached
  • Garage Description: Detached

Location

  • Area: Boulder
  • County: Boulder
  • Subdivision: Wonderland Hill 7 & 8
  • Driving Directions: Broadway to poplar west to the T stop at promontory south (left) 1/2 block on west side, driveway and park in front of the garage

School Information

  • School District: Boulder Valley Dist RE2
  • Elementary School: Foothill
  • Middle School: Centennial
  • High School: Boulder

Community

  • Association: Yes
  • Assoc. Name: Wonderland Hill Pool & Tennis
  • Assoc. Fees Include: Common Amenities, Management

Heating & Cooling

  • Cooling Type: Central Air, Ceiling Fan(s)
  • Heating Type: Forced Air, Baseboard, 2 or more Heat Sources

Utilities

  • Gas: Yes
  • Gas: Xcel
  • Sewer: Public Sewer
  • Water: City
  • Utility Description: Natural Gas Available, Electricity Available, Cable Available, High-Speed Internet Available

Structural Information

  • Architectural Style: Contemporary
  • Construction: Stucco
  • Exterior Const.: Stucco
  • Basement: Yes
  • Basement Desc.: None, Slab
  • Roof: Other
  • Windows: Window Coverings
  • Square Feet: 4,093
  • Sq. Ft. Source: Assessor
  • Living Area: 4,093 Sq. Ft.
  • Year Built: 1984

Lot Features

  • Property View: Hills, Plains View
  • Lot Size (Acres): 0.3
  • Lot Size (Sq. Ft.): 13,042
  • Frontage: City Street
  • Street/Road Desc.: Concrete
  • Fence: Yes
  • Lot Features: Cul-De-Sac, Corner Lot, Wooded, Evergreen Trees, Deciduous Trees, Native Grass, Abuts Public Open Space, Meadow, Paved, Curbs, Gutters, Sidewalks, Street Light, Fire Hydrant within 500 Feet
  • Potential Use: Single-Family, Additional Units
  • Zoning: Res
  • Fencing (Description): Wood

Green Features

  • Energy Efficient: Sun Space, Southern Exposure, Windows, Doors, Thermostat

Financial Considerations

  • Association Fee: Yes
  • Association Fee: $725
  • Assoc Fee Freq.: Annually
  • Tax Amount: $12,399
  • Tax Year: 2024
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: Private Owner
  • Property ID: R0095451

Listed by (303) 641-3377

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Listing agent

— 3945 Promontory Ct —

  • 3036413377

3037713850

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 3945 Promontory Ct

School District:Boulder Valley School District Re-2
NameGradesDistance
Foothill Elementary School
1001 Hawthorn Avenue, Boulder, CO 80304
K-51 mi
Centennial Middle School, Boulder, CO
2205 Norwood Avenue, Boulder, CO 80304
6-81.3 mi
Boulder High School
1604 Arapahoe Avenue, Boulder, CO 80302
9-122.5 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 3945 Promontory Ct Get Price Alerts and Save Property

Date
Details
Price
Change
Source
1/05/2026
Listed
$2,995,000
265.24%
MLS
9/16/2009
Sold
$820,000
—
Public Record
Get Price Alerts and Save Property
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 for 3945 Promontory Ct

Year
Property Taxes
Change
Tax Assessment
Change
2025
$13,667
10%
$162,745
10%
2024
$12,399
2%
$147,782
-2%
2023
$12,184
15%
$151,467
17%
2021
$10,568
-5%
$129,923
3%
2022
$11,082
5%
$126,288
14%
2021
$10,568
24%
$111,097
13%
2018
$8,498
-11%
$98,014
-12%
2019
$9,522
16%
$111,097
13%
2017
$8,232
1%
$98,014
10%
2016
$8,179
12%
$89,215
—
2015
$7,313
14%
$89,215
19%
2014
$6,432
2%
$74,816
—
2013
$6,291
—
$74,816
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Listed by (303) 641-3377

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3945 Promontory Ct, Boulder, CO 80304 (MLS# 1049021) is a Single Family property with 4 bedrooms, 3 full bathrooms and 2 partial bathrooms. 3945 Promontory Ct is currently listed for $2,995,000 and was received on January 05, 2026. Want to learn more about 3945 Promontory Ct? 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.

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