Metro Denver Luxury Homes For Sale

Property Description

A striking blend of sustainability and sophistication; this home, designed by Annette and Dennis Martin in 2023, is tucked on a quiet cul-de-sac off one of Boulder’s most coveted streets. This net-zero residence features advanced energy systems, including geothermal heating/cooling, radiant in-floor heat, a high-efficiency gas boiler and a 14.44kW solar array. A thoughtful layout connects open-concept living with vaulted ceilings, custom floating staircase, extensive millwork and designer lighting from Italy, Denmark, England, and the U.S. The main-floor primary suite offers a spa-like bath with onyx and white marble tile, double vanities, and a Kohler whirlpool tub. Entertain indoors or out with a chef’s kitchen featuring Gaggenau and Sub-Zero appliances, a built-in Sedona grill, and a 10’x38′ year-round saltwater pool. Expansive Sierra Pacific windows and doors frame views of the foothills while blending interior and exterior spaces. Savant smart home tech and Lutron lighting ensure effortless living at every turn.

Features
: Private
: Heat Pump, Hot Water
: Central Air
: Mountain(s)
: Living Room
: Patio
: 2
: Dishwasher, Refrigerator, Double Oven
: Oversized
: Composition, Membrane
: Public Sewer
Address Map
CO
Boulder
Boulder
80304
Japonica
440
Way
W106° 42' 33.4''
N40° 2' 12.2''
Additional Information
: Frame, Brick
Foothill
: Wood
2
Boulder
: Pantry, Open Floorplan, Kitchen Island, Eat-in Kitchen, Vaulted Ceiling(s), Five Piece Bath, Walk-In Closet(s)
Yes
Yes
Cash, Conventional
: Level, Sprinklers In Front, Cul-De-Sac
Centennial
milehimodern - Boulder
R0001873
: House
Northwest Boulder
$29,529
2024
: Cable Available, Electricity Available, Natural Gas Available
: Double Pane Windows, Window Coverings
RES
04/23/2025
5244
Active
1
Boulder Valley RE 2
Boulder Valley RE 2
In Unit
04/23/2025
04/23/2025
Public
: Two

Northwest Boulder

440 Japonica Way, Boulder, CO 80304

3 Bedrooms
5 Total Baths
4,943 Square Feet
$12,000,000
Listing ID #IR1031937
Basic Details
Property Type : Residential
Listing Type : For Sale
Listing ID : IR1031937
Price : $12,000,000
Bedrooms : 3
Rooms : 13
Total Baths : 5
Full Bathrooms : 1
3/4 Bathrooms : 3
1/2 Bathrooms : 1
Square Footage : 4,943 Square Feet
Year Built : 2023
Lot Acres : 0.29
Property Sub Type : Single Family Residence
Status : Active
Originating System Name : REcolorado
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