440 Japonica Way, Boulder, CO 80304
- Beds
- 5
- Baths
- 5
- Sqft
- 4,943
- Garage
- Yes
- Pool
- Yes
View property features, location on map, relevant school information and overview from seller's agent.
- 2
- 0
Overview
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. Easy upstairs conversion for 3 beds up. Already designed.
Location
Full feature list
Basic info
- Property type
- House
- Number of stories
- 2
- Number of bedrooms
- 5
- Number of bathrooms
- 5
- Square feet
- 4,943
- Lot size (acres)
- 0.29
- Year built
- 2023
Exterior features
- Pool
- Yes
Garage and parking
- Garage parking spaces
- 2
Utilities
- Heating
- Heat Pump, Hot Water, Zoned
- Cooling
- Central Air
- Sewer
- Public Sewer
- Water
- Public Water
Taxes
- Tax Annual Amount (2025)
- $29,325
Public schools
Disclaimer: Certain information displayed on this listing has been derived from parties other than Final Offer, LLC. Information provided and their sources have been deemed reliable, but accuracy of information is not guaranteed and therefore should be independently verified.
Sourced from: IRES MLS MLS®#: 1051957 Last checked: …

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