440 Japonica Way

Boulder, CO 80304
Beds
4
Baths
2
Square Ft.
4,943
$11,000,000
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 14.44kWRead MoreRead Less
Courtesy of R Tim Goodacre, , 3038179300.
Listing Snapshot
Days Online
72
Last Updated
Property Type
Single Family Residence
Beds
4
Full Baths
1
Partial Baths
1
Square Ft.
4,943
Lot Size
0.29 Acres
Year Built
2023
MLS Number
1031937
30 Days Snapshot Of 80304
$1.32M
-23%
(avg) sold price
41
-6%
homes sold
64
+8%
(avg) days on market
Snapshot
Area Map
Additional Details
Property Access
Road Frontage Type: "City Street", Road Surface Type: "Paved", "Asphalt"
Appliances & Equipment
"Double Oven", "Dishwasher", "Refrigerator"
Basement
Basement: "Partially Finished"
Second Bedroom
Area: 208 sqft, Length: 13 ft, Width: 16 ft, Level: Upper, "Wood Floor"
Third Bedroom
Area: 255 sqft, Length: 15 ft, Width: 17 ft, Level: Basement, "Concrete Floor"
Fourth Bedroom
Area: 425 sqft, Length: 17 ft, Width: 25 ft, Level: Upper
Building
5244 total sqft, 1210 upper sqft, Living Area: 4943, Main Floor Sq Ft: 2302, Above Grade Finished Area: 3512, Below Grade Finished Area: 1732, Has Improvements: No, Building Area Total: 3512, Construction Materials: "Wood/Frame", "Brick/Brick Veneer", Levels: "Two", Stories: 2, Year Built: 2023
Cooling
"Central Air"
Dining Room
Area: 231 sqft, Length: 11 ft, Width: 21 ft, Level: Main, "Wood Floor"
Accessibility Features
"Level Lot", "Main Floor Bath", "Main Level Bedroom"
Exterior Features
Patio/Porch: "Patio"
Fireplaces
"Living Room"
Floors
Flooring: "Wood Floors"
Garage
Type: Attached, Covered Spaces: 2, Garage Spaces: 2, Attached Garage
Water Features
Has Water Rights: No, Water Source: "City Water", "Boulder Water"
Heating
"Hot Water", "Heat Pump", "Zoned"
Interior Features
"Study Area", "Eat-in Kitchen", "Cathedral/Vaulted Ceilings", "Open Floorplan", "Pantry", "Walk-In Closet(s)", "Kitchen Island", "9ft+ Ceilings", "Beamed Ceilings"
Kitchen
Area: 231 sqft, Length: 11 ft, Width: 21 ft, Level: Main, "Wood Floor"
Laundry
"Washer/Dryer Hookups"
Lot
0 acres, 12784 sqft, Area: 12784, Features: "Curbs", "Sidewalks", "Lawn Sprinkler System", "Cul-De-Sac", "Level", "Within City Limits"
Living Room
Area: 420 sqft, Length: 20 ft, Width: 21 ft, Level: Main, "Wood Floor"
Primary Bedroom
Area: 289 sqft, Features: "Wood Floor", Length: 17 ft, Level: Main ft, Width
Energy Saving
Solar Pv Kilowatts: 14.44, Solar Pv Year Installed: 2023, Green Energy Efficient: "Southern Exposure"
Parking
"Oversized"
Pool
Private Pool, "Private"
Property
View: "Foothills View", Parcel Number: R0001873, Property Condition: "Not New, Previously Owned"
Recreation Room
Length: 29 ft, Width: 16 ft, Floor Type Code: Concrete, Level Code: Basement
Roof
"Composition", "Rubber"
Sewer
"City Sewer"
Sitting Room
Study Floor Type Code: Wood
Taxes
Tax Annual Amount: 29529, Tax Year: 2024
Utilities
Electric: "Electric", Gas: "Natural Gas", Power Production Type: "Photovoltaics", Utilities: "Natural Gas Available", "Electricity Available", "Cable Available"
Windows
"Window Coverings", "Wood Frames", "Double Pane Windows"
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