- hgarcia@hgdesignbuild.com
- (323) 317-4828
Our Services
Custom ADU Floor Plans & Spatial Design
Space-Optimizing Layouts Designed for SoCal Living
Turn Your Backyard Into Premium Living Space
A great Accessory Dwelling Unit (ADU) starts with a brilliant floor plan. When designing a compact home—whether it’s a 400-square-foot garage conversion or a 1,200-square-foot multi-bedroom detached residence—every single inch of space must be intentionally engineered.
As Southern California’s premier design-build specialists, we don’t believe in generic, cookie-cutter blueprints. We create custom, space-optimizing ADU floor plans that maximize indoor living space, capture natural coastal light, preserve backyard privacy, and seamlessly integrate with the architectural aesthetic of your main home.
Architectural Styles That Match Your Home
Your ADU should look like an intentional, premium addition to your property, not an afterthought. Our architectural design team specializes in crafting floor plans across Southern California’s most iconic design styles:
Coastal Modern: Featuring clean lines, expansive glass sliding doors, mixed material facades, and open layouts designed to optimize indoor-outdoor living.
Spanish Colonial Revival: Showcasing classic stucco finishes, terracotta roof tiles, arched entryways, and wrought-iron accents that match traditional SoCal estates.
Modern Farmhouse: Combining board-and-batten siding, high gabled roofs, warm wood accents, and cozy, functional porches.
Contemporary Minimalist: Utilizing flat rooflines, geometric forms, hidden storage solutions, and state-of-the-art energy-efficient materials.
Smart Floor Plan Sizes & Configurations
We tailor our floor plans to your property’s dimensions, local setbacks, and your specific lifestyle goals:
Studio & Micro-Layouts (350 – 450 Sq. Ft.)
Perfect for standard 2-car garage conversions and Junior ADUs (JADUs). These layouts utilize open-concept living-bedroom spaces, L-shaped efficiency kitchens, and clever built-in storage to make a compact footprint feel remarkably spacious, bright, and airy.
1-Bedroom / 1-Bathroom Layouts (500 – 750 Sq. Ft.)
The ideal sweet spot for generating high-yield rental income or creating a private guest house. These plans feature a completely separate, private master bedroom, a full-sized luxury bathroom, dedicated laundry closets, and an expansive great room that opens up to a private patio.
2-Bedroom / 2-Bathroom Layouts (800 – 1,200 Sq. Ft.)
Our ultimate independent residential layouts, perfect for detached backyard homes or second-story additions. Designed for multi-generational families or long-term tenants, these spacious plans include vaulted ceilings, master suites with walk-in closets, full-sized kitchens with islands, and separate dining areas.
Essential Rules of High-End ADU Design
To make a compact home feel grand, luxury-tier, and highly functional, our architects implement advanced space-planning principles:
1. Vertical Volume & Vaulted Ceilings
Low ceilings make tight spaces feel restrictive. We routinely design using raised roof pitches, scissor trusses, and vaulted ceilings. Raising the vertical volume instantly transforms a modest floor plan into an open, majestic living space.
2. Strategic Window Placement & Daylighting
We map out your ADU’s windows based on the path of the sun and the location of your primary house. By using clerestory windows, skylights, and floor-to-ceiling glass doors, we flood the ADU with natural light while keeping sightlines private from the main house.
3. Indoor-Outdoor Integration
In Southern California, your backyard is your living room. Our floor plans seamlessly connect indoor living areas to private outdoor decks, lanais, or courtyards via premium bi-fold or pocket sliding doors, effectively doubling your usable entertaining space.
4. Zero Dead-Space Engineering
We eliminate wasted hallway space. Every square foot is optimized, featuring pocket doors that slide into walls, hidden under-stair storage for vertical builds, integrated kitchen pantries, and dedicated utility closets for tankless water heaters and ductless HVAC systems.