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909 Sunflower Street, Louisville, CO – $1,625,000

  • 5 Beds
  • 4 Baths
  • 3,514 Sqft
  • .12 Acres
  • 5 Beds
  • 4 Baths
  • 3,514 Sqft
  • .12 Acres

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909 Sunflower Street

This exceptional net-zero custom home in Louisville, Colorado offers the perfect blend of sustainability, thoughtful design, and modern comfort-just one block from the scenic Harper Lake recreation area and adjacent to a neighborhood park. Designed for energy efficiency and year-round comfort, this five-bedroom, three-bath residence is built to net-zero standards, dramatically reducing utility costs while maximizing indoor air quality and performance. High-performance insulation, advanced windows, and a state-of-the-art HVAC system are complemented by solar integration to create a home that produces as much energy as it consumes. The main level features an open-concept floor plan filled with natural light, seamlessly connecting the kitchen, dining, and living areas-ideal for both everyday living and entertaining. Premium finishes, custom cabinetry, and carefully curated materials elevate the space throughout. The fully finished basement expands the living area with two additional bedrooms, a full bath, and a spacious recreation room-perfect for guests, multigenerational living, a home gym, or media space. A three-car garage provides ample room for vehicles, storage, and outdoor gear. Outside, the property is fully landscaped and fenced, offering privacy and a turnkey outdoor living experience. With a park directly adjacent and miles of trails, water access, and open space just steps away at Harper Lake, this location delivers an unparalleled Colorado lifestyle. A rare opportunity to own a high-performance, custom-built home in one of Louisville's most desirable settings-where sustainability meets sophistication. Still time to personalize some interior finishes. Please contact LA for details.

Listing Office: Meade Builder Services, LLC

Essential Information

  • MLS® #IR1051522
  • Price$1,625,000
  • Bedrooms5
  • Bathrooms4.00
  • Full Baths3
  • Half Baths1
  • Square Footage3,514
  • Acres0.12
  • Year Built2026
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StyleContemporary
  • StatusActive

Community Information

  • Address909 Sunflower Street
  • SubdivisionCentennial 8
  • CityLouisville
  • CountyBoulder
  • StateCO
  • Zip Code80027

Amenities

  • Parking Spaces3
  • ParkingOversized
  • # of Garages3

Utilities

Cable Available, Electricity Available, Internet Access (Wired), Natural Gas Available

Interior

  • HeatingForced Air
  • CoolingCeiling Fan(s), Central Air
  • FireplaceYes
  • FireplacesGas
  • StoriesTwo

Interior Features

Kitchen Island, Open Floorplan, Pantry, Radon Mitigation System, Smart Thermostat, Vaulted Ceiling(s)

Appliances

Disposal, Double Oven, Microwave, Oven

Exterior

  • Lot DescriptionSprinklers In Front
  • WindowsDouble Pane Windows
  • RoofComposition

School Information

  • DistrictBoulder Valley RE 2
  • ElementaryCoal Creek
  • MiddleLouisville
  • HighMonarch

Additional Information

  • Date ListedFebruary 13th, 2026
  • ZoningRES

Listing Details

  • Meade Builder Services, LLC
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Listing information last updated on February 23rd, 2026 at 3:18am MST.