


909 Sunflower StreetLouisville, CO 80027
Single Family · 5 Beds · 3 Full Baths · 1 Half Bath · 3,614 Sq. ft. | 0.12 Acres909 Sunflower Street Overview
- Time on Site:
- 137 days
- Visits:
- 3
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.
909 Sunflower Street Facts & Features
- Type Single Family
- Sq. ft. 3,614
- Price/Sq.ft. $442
- Lot 0.12 Acres
Details
General
Association/HOA
- Association: false
School Information
- School District: Boulder Valley RE 2
- Elementary School: Coal Creek
- Middle Or Junior School: Louisville
- High School: Monarch
Listing Information
- Concessions: No
Building Information
- Builder Model: 945AR
- Year Built: 2026
Location/Region
- Country: US
- County Or Parish: Boulder
- Subdivision Name: Centennial 8
Tax Information
- Tax Annual Amount: 1805
- Tax Year: 2025
General Information
- Listing Terms: Cash,Conventional
- Ownership: Builder
- Parcel Number: R0107819
- Possible Use: Residential
- Property Condition: New Construction
- Property Sub Type: Single Family Residence
- Property Type: Residential
- Zoning: RES
Interior
Parking Information
- Garage Spaces: 3
Beds/Baths
- Bathrooms Full: 3
- Bathrooms Half: 1
- Bathrooms Three Quarter: 0
- Bathrooms Total: 4
- Bedrooms Total: 5
Building Interior
- Above Grade Finished Area: 2348
- Below Grade Finished Area: 1166
- Building Area Source: Plans
- Building Area Total: 3614
General Information
- Appliances: Disposal,Double Oven,Microwave,Oven
- Cooling: Ceiling Fan(s),Central Air
- Fireplace Features: Gas
- 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
- Living Area: 3514
- Main Level Bathrooms: 1
- Main Level Bedrooms: 0
- Other Equipment: Satellite Dish
- Window Features: Double Pane Windows
Exterior
Parking Information
- Parking Features: Oversized
- Parking Total: 3
Lot Information
- Lot Features: Sprinklers In Front
- Lot Size Acres: 0.12
- Lot Size Square Feet: 5407
- Road Surface Type: Paved
- Water Source: Public
Building Exterior/Construction
- Architectural Style: Contemporary
- Attached Garage: true
- Construction Materials: Other,Stone,Frame
- Patio And Porch Features: Deck,Patio
- Roof: Composition
- Structure Type: House
General Information
- Fencing: Fenced
- Road Frontage Type: Public
- Sewer: Public Sewer
- Utilities: Cable Available,Electricity Available,Internet Access (Wired),Natural Gas Available
Room Information
Room: Bathroom Full
- Level: Basement
Room: Bedroom
- Level: Basement
- Length: 11
- Width: 13
- Description: Carpet
Room: Bedroom
- Level: Basement
- Length: 11
- Width: 13
- Description: Carpet
Room: Game Room
- Level: Basement
- Length: 15
- Width: 31
- Description: Carpet
Room: Bathroom Half
- Level: Main
Room: Dining Room
- Level: Main
- Length: 12
- Width: 19
- Description: Hardwood
Room: Great Room
- Level: Main
- Length: 19
- Width: 20
- Description: Hardwood
Room: Kitchen
- Level: Main
- Length: 13
- Width: 18
- Description: Hardwood
Room: Office
- Level: Main
- Length: 11
- Width: 12
- Description: Hardwood
Room: Bathroom Full
- Level: Upper
- Features: Primary Suite
Room: Bathroom Full
- Level: Upper
Room: Bedroom
- Level: Upper
- Length: 13
- Width: 16
- Description: Carpet
- Features: Primary Suite
Room: Bedroom
- Level: Upper
- Length: 13
- Width: 12
- Description: Carpet
Room: Bedroom
- Level: Upper
- Length: 11
- Width: 14
- Description: Carpet
Room: Laundry
- Level: Upper
- Length: 6
- Width: 9
- Description: Tile
909 Sunflower Street Neighborhood
Community
80027 (LOUISVILLE) Demographics
Schools
School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.909 Sunflower Street Monthly Cost
909 Sunflower Street Market Data
Based on the last 30 days in this zip code
909 Sunflower Street History
| Date | Value | Agent |
|---|---|---|
| 6/9/2026Source: REColorado MLS | $1,599,000 -1.6% |
|
| 2/13/2026Source: REColorado MLS | February 13, 2026 |
|
| 8/29/2025Source: REColorado MLS | Closed |
|
| 1/31/2025Source: REColorado MLS | Pending |
|
| 7/14/2024Source: REColorado MLS | July 14, 2024 |






































