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.
Property Details
Price:
$1,599,000
MLS #:
RECIR1051522
Status:
Active Under Contract
Beds:
5
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Centennial 8
Finished Sq Ft:
3,514
Total Sq Ft:
3,614
Lot Size:
5,407 sqft / 0.12 acres (approx)
Year Built:
2026
See this Listing
Schools
School District:
Boulder Valley RE 2
Elementary School:
Coal Creek
Middle School:
Louisville
High School:
Monarch
Interior
Above Grade Finished Area
2348
Appliances
Disposal, Double Oven, Microwave, Oven
Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Below Grade Finished Area
1166
Below Grade Unfinished Area
100
Cooling
Ceiling Fan(s), Central Air
Flooring
Tile, Wood
Heating
Forced Air
Interior Features
Kitchen Island, Open Floorplan, Pantry, Radon Mitigation System, Smart Thermostat, Vaulted Ceiling(s)
Laundry Features
In Unit
Levels
Two
Main Level Bathrooms
1
Exterior
Architectural Style
Contemporary
Attached Garage YN
1
Construction Materials
Other, Stone, Frame
Fencing
Fenced
Garage Spaces
3
Lot Features
Sprinklers In Front
Parking Features
Oversized
Parking Spots
3
Parking Total
3
Patio And Porch Features
Deck, Patio
Roof
Composition
Window Features
Double Pane Windows
Financial
Tax Year
2025
Taxes
$1,805
Map
Community
- Address909 Sunflower Street Louisville CO
- SubdivisionCentennial 8
- CityLouisville
- CountyBoulder
- Zip Code80027
Subdivisions in Louisville
- Bella Vista
- Bella Vista Add
- Capitol Hill
- Centennial
- Centennial 6
- Centennial 8
- Centennial Heights
- Centennial Pavilion Lofts Condo
- Centennial Valley
- Clementine Commons
- Club Homes at Coal Creek
- Coal Creek Ranch
- Coal Creek Ranch Filing 1
- Coal Creek Ranch Flg 1
- Coal Creek Ranch Flg 2
- Coal Creek Ranch Flg 3
- Copper Crest Condos
- Cornerstone
- Cornerstone Sub
- Cottonwood Villas
- Downtown Superior
- Dutch Creek
- East County
- East Street Village
- Enclave
- Heritage
- Heritage 1
- Hillsborough North
- Hillsborough West 1
- Hunters Ridge
- Louisville
- Louisville East
- Louisville North
- Louisville North First Filing
- Nicola Di Digiacomo Add
- North End
- North End Prcl 1 Outlot H & Outlot K
- Parbois Place
- Parbois Tracts
- Parkwood
- Parkwood 3
- Pine Street Park
- Pine Street Park Sub
- Ponderosa
- Ridgeview Estates
- Scenic Heights
- Schreiter
- Silvertree
- Silvertrees East Condos
- Silvertrees West Twnhs
- Spruce Lane
- Sterling Heights
- Sundance
- Sundance 3
- Superior
- Superior Minks
- The Trails at Clementine
- Town Homes At Coal Creek
- Treehaven
- Village Condo
- Westfield Condos 1st
- Westfield Condos 2nd
- Westfield Condos 4th
- Westfield Condos 5th
- Wildflower Condos
Market Summary
Current real estate data for Single Family in Louisville as of Sep 14, 2026
61
Single Family Listed
108
Avg DOM
427
Avg $ / SqFt
$1,337,324
Avg List Price
Property Summary
- Located in the Centennial 8 subdivision, 909 Sunflower Street Louisville CO is a Single Family for sale in Louisville, CO, 80027. It is listed for $1,599,000 and features 5 beds, 4 baths, and has approximately 3,614 square feet of living space, and was originally constructed in 2026. The current price per square foot is $442. The average price per square foot for Single Family listings in Louisville is $427. The average listing price for Single Family in Louisville is $1,337,324. To schedule a showing of MLS#recir1051522 at 909 Sunflower Street in Louisville, CO, contact your milehimodern agent at 303-619-3373.
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Copyright 2026. All rights reserved.
909 Sunflower Street
Louisville, CO