Custom ADU design services in Los Angeles featuring modern detached accessory dwelling unit planning and construction
Professional ADU floor plans and permit-ready custom ADU designs for Los Angeles homeowners
Luxury backyard ADU and garage conversion design build solutions in Los Angeles

ADU King Build provides custom ADU design services tailored to homeowners, investors, residential properties, and HOA communities throughout Los Angeles and surrounding areas. Our experienced team develops functional floor plans, site-specific layouts, and permit-ready drawings designed to maximize property value, rental income potential, and long-term usability.

Every custom ADU project begins with a detailed planning process focused on your goals, lot conditions, zoning requirements, and future needs. From detached ADUs and backyard cottages to garage conversion ADUs and junior ADUs, we create efficient designs that comply with California regulations while delivering attractive, comfortable, and highly marketable living spaces.

Custom ADU Planning & Design Solutions

Our design-build approach simplifies the entire process by combining architectural planning, permit coordination, and construction expertise under one team. Whether you're building a guest house, accessory dwelling unit, rental property, or multigenerational living space, we help transform your vision into a practical design ready for successful construction.

  • Permit-Ready Architectural Plans
  • Site Evaluation & Feasibility Studies
  • Rental Income Optimization Strategies
  • Code-Compliant Design Development
Custom accessory dwelling unit floor plan development and ADU architectural design services
Backyard ADU design and detached ADU planning services in Los Angeles California

Frequently asked questions

Explore answers to common questions about custom ADU design services, planning requirements, permit preparation, and project expectations for Los Angeles homeowners considering an accessory dwelling unit.

Design costs vary based on property size, complexity, and project scope. We provide customized proposals based on your specific ADU goals and site conditions.

Yes. ADU plans must typically be reviewed and approved by the local building department before permits can be issued and construction can begin.

Efficient floor plans with functional living areas, private entrances, and modern amenities typically provide the strongest rental appeal and long-term value.

Many smaller lots qualify for detached ADUs. A professional site assessment helps determine setbacks, size limitations, and development opportunities.

Timelines vary by project and city review requirements, but most ADU planning, drafting, and permit approval processes take several weeks before construction begins.