- hgarcia@hgdesignbuild.com
- (323) 317-4828
Our Services
Southern California’s Top ADU Builders
Southern California’s Premier ADU Builders
Turn Your Backyard Into Premium Living Space
The demand for flexible housing in Southern California has never been higher. Whether you want to build passive rental income, create a private space for multi-generational family members, or design an inspiring detached home office, an Accessory Dwelling Unit (ADU) is the smartest investment you can make in your property.
As Southern California’s leading design-build ADU specialists, we handle everything from initial zoning analysis and premium architectural design to city permitting and turnkey construction. We build beautiful, high-efficiency, compliant spaces tailored specifically to your neighborhood’s unique architectural landscape.
Our Full-Service ADU Solutions
We provide a seamless, end-to-end design-build process, eliminating the stress of dealing with separate architects, engineers, and municipal permit offices.
1. Detached ADUs (Custom Backyard Homes)
Build a completely standalone, independent residence from the ground up. Perfect for a long-term rental unit or a luxurious guest house, our detached ADUs feature fully equipped kitchens, spacious living areas, private entryways, and premium finishes that maximize every square foot of your backyard.
2. Attached ADUs & Additions
Expand your home’s footprint smoothly. We design and build structurally integrated extensions that flow naturally from your existing residence. This option is ideal for master suite additions, junior ADUs (JADUs), or expanding your home to seamlessly accommodate growing families while keeping construction costs efficient.
3. Garage Conversions
Transform your underutilized garage into a modern, functional living space. Garage conversions are one of the fastest and most cost-effective ways to add an ADU in Southern California. We reinforce the existing structure, upgrade utilities, soundproof walls, and open up the layout to turn dark storage space into light-filled, premium real estate.
4. Custom Design & State-of-the-Art Architecture
Your property deserves more than a generic, pre-fabricated box. Our in-house design team specializes in creating stunning, custom architectural blueprints that match your primary home’s aesthetic—whether it’s Coastal Modern, Spanish Colonial, Contemporary Minimalist, or Traditional Mid-Century. We optimize layouts for natural light, privacy, and indoor-outdoor California living.
Why Choose Us as Your SoCal ADU Partner?
Flawless Permit & Zoning Mastery: California’s ADU laws (like AB-2299 and SB-1069) are highly progressive, but navigating local city constraints can still be challenging. We manage the entire municipal approval process, ensuring 100% compliance with local setbacks, utility requirements, and height limits.
True Design-Build Efficiency: No finger-pointing between architects and contractors. By handling both architectural design and field construction under one roof, we eliminate communication gaps, reduce timelines, and prevent costly design revisions.
Fixed-Price Visual Transparency: We provide detailed, itemized project costs before breaking ground. No hidden fees, no surprising change orders—just honest, upfront pricing.
Uncompromising Luxury Craftsmanship: From high-performance insulation and energy-efficient HVAC systems to premium cabinetry and designer fixtures, we build ADUs that elevate your property’s value and aesthetic.