ADU Builder in Gardena
Expanding your Gardena property with a custom accessory dwelling unit (ADU) is one of the most effective ways to add living space, create rental income, or provide a private suite for family while increasing long-term property value.
Our Gardena ADU contractors and builders provide complete ADU construction, from architectural design and permitting through construction, inspections, and final finishes.
Whether you're building a detached ADU, attached ADU, garage conversion, or JADU, we create functional living spaces designed around your property, your goals, and the way you plan to use your new space.
Types of ADUs You Can Build in Gardena
Detached ADUs: Standalone structures in your backyard.
Attached ADUs: Connected to the main house with separate entrances.
JADUs: Convert existing space within your home into a compact accessory dwelling unit with its own kitchen, private entrance, and either a shared or separate bathroom.
Garage Conversions: Transform existing garages into livable spaces.
Complete ADU Construction Services
Whether you're converting an existing garage or building a new detached or attached ADU, we provide complete ADU construction services from planning and permitting through final completion.
Garage conversion ADUs
Detached ADU construction
Attached ADU construction
Junior ADU (JADU) construction
Architectural planning and permit assistance
Foundation, framing, and structural construction
Plumbing, electrical, and HVAC installation
Kitchen and bathroom construction
Drywall, flooring, insulation, and interior finishes
Windows, doors, and exterior finishes
How Much Does ADU Construction Cost in Gardena?
JADU (Junior Accessory Dwelling Unit): $60,000 – $110,000
Garage Conversion ADU: $90,000 – $180,000
Attached ADU: $150,000 – $300,000
Detached ADU: $200,000 – $420,000+
Gardena ADU Building Timeline
JADU (Junior Accessory Dwelling Unit): 2 – 4 months
Garage Conversion ADU: 3 – 6 months
Attached ADU: 6 – 9 months
Detached ADU: 8 – 14+ months
Most ADU construction projects begin with permitting, which typically takes 2–6 months depending on project complexity and City of Gardena approvals. Construction timelines vary based on the type of ADU and overall project scope.
With EMR Builds, your ADU project in Gardena is seamless and stress-free. From initial design and permitting to construction and final inspection, we manage every step with professionalism, reliability, and attention to detail. Your ADU is built exactly to your specifications, creating functional, comfortable living space while maximizing property value.