The San Diego Pre-Approved ADU Plan features a 1,200-square-foot detached dwelling unit optimized for functionality and energy efficiency while adhering to local building codes. This plan is pre-approved by San Diego County to streamline the permitting process, reducing time and cost for homeowners and builders.

Key Features:

1. Dimensions and Layout:
   • Total area: 1,200 sq. ft.
   • Floor plan includes three bedrooms, one bathroom, a living room, dining room, and a kitchen.
   • Room sizes:
     • Living room: 17' x 15'6" with ample space for seating and entertainment.
     • Kitchen: 10' x 9'6" with efficient cabinetry layout.
     • Dining room: 11'2" x 9'6".
     • Bedroom #1: 10'8" x 12'.
     • Bedroom #2: 10'8" x 12'.
     • Bedroom #3: 10'8" x 9'8".
     • Bathroom: 6' x 9'6" with an optional roll-in shower.
2. Construction and Design:
   • Conventional light-frame construction with 2x4 and 2x6 walls.
   • Exterior finished with fire-resistant materials to meet wildfire zone requirements.
   • Roofing: Gable design with a 20-psf live load.
   • Windows: Sliding glass with tempered options for safety and fire resistance.
3. Energy Efficiency:
   • Solar-ready roof layout with 250 sq. ft. dedicated solar zones.
   • High-efficiency insulation and appliances.
   • Lighting fixtures designed to meet California Green Building Standards.
4. Foundation and Structural Integrity:
   • Foundation: Reinforced concrete slab with #3 rebar at 18" O.C.
   • Footings designed for 1,500 psf soil bearing pressure.
   • Structural framing adheres to seismic Design Category D2, ensuring resilience against earthquakes.
5. Accessibility Options:
   • Aging-in-place design elements, such as wide doorways and optional roll-in showers.
6. Mechanical and Electrical Systems:
   • 200-amp electrical panel with energy storage capabilities.
   • Washer and dryer space included for convenience.
   • HVAC and water heater systems designed for energy compliance.
7. Environmental and Stormwater Management:
   • Dedicated drainage systems to manage runoff.
   • Construction BMPs (Best Management Practices) ensure minimal environmental disruption during building.

Ideal Use Cases:

• Homeowners seeking an affordable, energy-efficient, and modern ADU for additional living space, rental income, or multigenerational housing.
• Builders who want to reduce permitting timelines with a pre-approved plan.

Advantages of the San Diego Pre-Approved Plan:

• Accelerated permitting process saves time and costs.
• Flexible design suitable for various family needs and lot configurations.
• Energy-efficient and environmentally friendly features align with California’s sustainability goals.

This model combines practicality, sustainability, and aesthetic appeal, making it an excellent choice for expanding living space in San Diego.

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