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*

^$ 18,685

Listed by Slifer Smith & Frampton-Bldr

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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.

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 agent for more info.

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

IR1033748

Features

Interior

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

Basement Crawl Space 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 4093

Half Baths 1

3/4 Baths 1

Total Bedrooms 4

Below Grade Finished Area 0

Main Level Bedrooms 2

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 RR

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 Water

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 Pool Tennis Court(s)

HOA Y

Subdivision Name Wonderland Hill 7 & 8

Possible Use Residential

Full Baths 3

Status Active

Directions North Broadway west on Poplar to the T stop south to the first western turn tough to identify as it winds between homes turn west to the house.

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 Tennis Court(s)

Vegetation Grassed Wooded

Fencing Fenced

Parking Features Oversized

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

Water Source Public

Total Parking 2

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

Slifer Smith & Frampton-Bldr

Broker

(303) 443-3377

Phone

Affordability Calculator

$19,718

Per Month

Monthly Principal & Interest: $18,685
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 6.375% 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 ^$2,680,675

Percent of Sale Price 10%

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
6/10/2025	$2,995,000	-4.92%	Price Down
5/12/2025	$3,150,000		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 6.375% 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 12/13/2025.

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3945 Promontory Court

Single Family Home for sale in Boulder, CO

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