ADU Construction in San Diego
An accessory dwelling unit adds real, livable square footage to your property — for family, guests, or rental income. Antoon Construction handles the ADU from site evaluation and permitting through final walkthrough, built to San Diego code.
Extra living space, built to local code from day one
We manage the full ADU process — site evaluation, zoning and permitting, design coordination, and construction — so your accessory dwelling unit meets San Diego requirements without you having to navigate the paperwork yourself.
Every ADU comes with the same four guarantees
On-Time Completion
Real-time progress tracking, with compensation offered for missed deadlines.
Transparent Pricing
Upfront estimates, no hidden fees.
Premium Quality
Quality materials, checked at every phase.
Dedicated Management
One project manager, start to finish.
ADU questions we hear most
Do you handle all required permits and inspections?
Yes — we manage all required permits and schedule inspections to ensure your ADU is fully compliant with local building codes.
Will I have one point of contact for my ADU project?
Yes. Every ADU project gets a dedicated project manager who oversees the work and stays your main point of contact from consultation to final walkthrough.
Thinking about adding an ADU?
Get a free consultation and a transparent estimate.