This double-height Accessory Dwelling Unit (ADU) offers a fresh take on backyard living—ideal for homeowners looking to add rental income, guest accommodations, or extra space for family. Designed with efficiency, flexibility, and style in mind, the compact footprint fits beautifully on most residential lots while delivering surprising spaciousness.

Two Flexible Layouts
The ADU fits within a 665 sq ft (17.5’ x 38’) footprint and offers two layout options:

1 Bed / 1.5 Bath + Office Mezzanine (1,000 sq ft): Features dramatic double-height ceilings and a lofted workspace—perfect for remote work or creative pursuits.

2 Bed / 1.5 Bath (1,175 sq ft): Adds a second bedroom above the living space for families, guests, or tenants.
The open layout and tall ceilings create a bright, airy interior with excellent flow and natural light.

Clean, Modern Design
With inspiration drawn from backyard sheds, the ADU features a clean gable roofline, corrugated metal siding, and subtle dark aluminum trim. An optional 10-foot-deep front deck offers semi-private outdoor living space, ideal for grilling, lounging, or dining alfresco.

Built for Sustainability
This ADU is engineered for high performance with:
- All-electric appliances and systems (no gas needed)
- Energy-efficient mini-split heat pump for heating and cooling
- Electric tankless water heater
- Optional rooftop solar panels and battery storage
- Passive House-style insulation for exceptional thermal performance
- Low-flow plumbing fixtures for water savings

These design features reduce utility costs while minimizing environmental impact.

Pre-Approved & Customizable
The Wine Country ADU design is pre-reviewed and approved for construction in Santa Rosa, Petaluma, Sebastopol, Cloverdale, and the City and County of Sonoma, allowing for a faster permitting process.

For homeowners outside these cities, the design can be customized to meet local zoning and building codes, making it a versatile solution for properties across California.

Project Information & Credits

Pre-approved in multiple jurisdictions across Sonoma County

Location: Santa Rosa, Petaluma, Sebastopol, Cloverdale, Sonoma (City & County), California, USA