3945 Promontory Court Boulder, CO ^$ 2,995,000

3945 Promontory Court

^$ 2,995,000

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3945 Promontory Court

Boulder, CO, 80304

^$ 2,995,000

Bedrooms4 Baths4.1 Sq 4,093

Monthly Estimate*

^$ 18,911

Listed by Madison & Company Properties - Boulder

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Single Family Home for sale in Boulder, CO

for $2,995,000 with 4 bedrooms and 4 full baths, 1 half bath. This 4,093 square foot home was built in 1984 on a lot size of 0.3.

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.

Single Family Active

Price

^$ 2,995,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 12,399

Style

Contemporary

Lot Size

0.3

Year Built

1984

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1049021

Features

Interior

Interior Amenities Eat-in Kitchen Five Piece Bath Open Floorplan Smart Thermostat Vaulted Ceiling(s) Wet Bar

Basement None

Flooring Vinyl Wood

Fireplace Features Free Standing Living Room

Basement (Y/N) N

Window Features Double Pane Windows Window Coverings

Above Grade Finished Area 2833

Half Baths 1

3/4 Baths 1

Total Bedrooms 4

Below Grade Finished Area 1260

Main Level Bedrooms 3

Main Level Bathrooms 3

Total Baths 5

General

Sewer Public Sewer

Heating Baseboard Forced Air

Cooling Ceiling Fan(s) Central Air

Utilities Cable Available Electricity Available Internet Access (Wired) Natural Gas Available

Possession Closing/DOD

Roof Other

Appliances Dishwasher Dryer Refrigerator Washer

Zoning Res

HOA Fee 725

Garage Spaces 2

Association Fee Includes Reserves

Patio/Porch Features Deck Patio

Architectural Style Contemporary

Pool Features Private

Security Features Smoke Detector(s)

Construction Materials Stucco

Year Built 1984

View Mountain(s) Plains

Levels Tri-Level

Property Subtype Single Family Residence

Tax Year 2024

Ownership Individual

Assoc Fee Paid Per Annually

County Boulder

Property Type Residential

Association Amenities Clubhouse Playground Pool Tennis Court(s)

HOA Y

Subdivision Name Wonderland Hill 7 & 8

Possible Use Residential

Full Baths 3

Status Active

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

High School Boulder

City Boulder

Association Name Wonderland Hill Pool & Tennis

High School District Boulder Valley RE 2

Lot Size Square Feet 13042

Listing Terms Cash Conventional

Elementary School Foothill

Tax Annual Amount 12399

Middle/Junior High School Centennial

Concessions No

Virtual Tour https://listings.muntzstudios.com/videos/0196c490-e2d6-70ac-b556-80f13c6b4a58

Structure Type House

Standard Status Active

Occupancy Type Owner

Elementary School District Boulder Valley RE 2

Exterior

Exterior Amenities Balcony Spa/Hot Tub Tennis Court(s)

Vegetation Grassed Wooded

Fencing Fenced

Parking Features Oversized

Lot Features Corner Lot Cul-De-Sac Meadow Open Space Sprinklers In Front

Water Source Public

Total Parking 2

Foundation Details Slab

Building Area Total 4093

Lot Size Acres 0.3

Road Surface Type Paved

Road Frontage Type Public

Internal Only

Street Number 1 3945

* Excluded Features

List By

Madison & Company Properties - Boulder

Broker

(303) 641-3377

Phone

Affordability Calculator

$19,944

Per Month

Monthly Principal & Interest: $18,911
Monthly Property Taxes: $1,033
Monthly Home Insurance: --

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Down Payment

Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Boulder, CO

Average List Price ^$2,410,829

Percent of Sale Price 20%

About Boulder, CO

102,151 Population

6% Since 2002

^$65,436 Median Income

31.88 Median Age

18% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

1955676 Elementary School

1955871 Middle School

Boulder High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
1/6/2026	$2,995,000		Listed Price

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3945 Promontory Court, Boulder, CO, 80304 is a Single Family Home for sale at $2,995,000 with 4,093 sqft and a lot size of 0.3. 3945 Promontory Court has 4 bedrooms, 4.1 baths, and was built in 1984. The property's zip code is 80304 which is in Boulder, CO

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

The data relating to real estate on this web site comes in part from the Internet Data eXchange (IDX) Program of the REcolorado. Real estate listings held by firms other than Weichert Realtors are marked with the IDX logo and detailed information about them includes the Listing Broker’s Firm Name.

The information being provided is for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data is updated as of 7/3/2026.

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PUBLISHER’S NOTICE: All real estate advertised herein is subject to the Federal Fair Housing Act and the Colorado Fair Housing Act, which Acts make it illegal to make or publish any advertisement that indicates any preference, limitation, or discrimination based on race, color, religion, sex, handicap, familial status, or national origin.

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3945 Promontory Court

Single Family Home for sale in Boulder, CO

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