440 Japonica Way, Boulder, CO, 80304
Listing Provided Courtesy of milehimodern – Boulder440 Japonica Way, Boulder, CO, 80304
Listing Id
RECIR1031937A 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.
- beautifully crafted by Annette + Dennis Martin
- net-zero residence crafted in 2023
- open-concept main level
- geothermal heat pump + solar energy
- south-facing orientation for maximum sunlight
- main-floor primary bedroom with spa-like bath
- extensive custom millwork throughout
- custom 48” fireplace in the great room
- unparalleled indoor-outdoor connectivity
architectural allure
The relationship between this home and the landscape is not limited to its radiant indoor-outdoor connectivity — the residence honors its surroundings with net-zero characteristics that prioritize sustainability. A south-facing orientation takes advantage of Colorado’s generous sunshine while a solar grid with 38 panels ensures maximum efficiency. Geothermal heating and cooling and superior insulation retain comfort throughout the home, creating an environment that is rejuvenating for all.
- sustainable features throughout
- superior insulation + south-facing orientation
- elegant smart home systems
- hail resistant roof + aluminum clad windows
outdoor connectivity
A symbiotic relationship between the home and its stunning surroundings manifests throughout nearly every space in this remarkable abode. From vaulted ceilings and towering windows in the kitchen to a primary suite with a wall of glass, residents are granted impeccable indoor-outdoor connectivity through thoughtful, intentional design. Once outside, a private haven of Colorado bliss comes to life with a lush backyard centered by an expansive saltwater pool. Views of the Foothills are framed by mature trees and verdant landscaping.
- 10×38’ saltwater year-round pool
- extensively landscaped backyard
- ample views of the Foothills
- Colorado Bluff limestone walkways
neighborhood tapestry
Nestled against the foothills, Northwest Boulder offers a rare blend of natural beauty and refined living. With panoramic mountain views, quiet tree-lined streets, and easy access to trail systems, this sought-after enclave provides a peaceful retreat just minutes from downtown. Homes here range from custom estates to contemporary residences, all surrounded by open space, wildlife, and the unmistakable charm of Boulder living.
- panoramic mountain views
- quiet, residential haven
- moments from Downtown Boulder
Property Details
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