At BJS Construction & Solutions, we specialize in designing and building detached ADUs in San Diego, also known as granny flats or backyard homes. Our experienced team handles every aspect — from planning and permits to construction and finishing — delivering high-quality, energy-efficient units that add comfort, flexibility, and long-term value to your property.
A detached ADU adds living space and boosts your home’s resale value.
Generate extra income by renting your ADU as a private living space.
We manage design, permits, and construction — start to finish.
We start by evaluating your property layout, setbacks, and zoning requirements to plan the ideal detached ADU design.
Our in-house team prepares architectural plans and handles all city and state permit approvals.
From foundation to roofing, electrical, plumbing, and interior finishes — we deliver a fully functional standalone unit.
Each ADU undergoes detailed quality checks to ensure code compliance, safety, and move-in readiness.
Our detached ADU construction process in San Diego starts with a property assessment and design consultation to identify your best building options. We manage every step — architectural planning, permits, construction, and finishing — ensuring your new detached ADU is functional, energy-efficient, and perfectly suited to your property.
A detached ADU (Accessory Dwelling Unit) is a separate, self-contained living structure built on the same lot as your main home — perfect for family use, guests, or rental income.
Yes — we handle all San Diego city permits, site plans, and inspections from start to finish.
Yes, detached ADUs are fully rentable under California’s ADU laws, offering excellent ROI opportunities.
Most ADUs take 4–8 months to complete, depending on permitting and design complexity.
We build studio, one-bedroom, and two-bedroom detached ADUs ranging from 400 to 1,200 sq. ft.
Because we’re San Diego’s trusted ADU specialists, offering full design-build services, transparent pricing, and high-quality construction that meets all local requirements.
