ADU Construction in Carlsbad, CA

Yes, most single-family lots in Carlsbad support one standard ADU and one Junior ADU on the same property. A & H Sullivan Construction can review your lot to confirm what your specific parcel allows.

Yes, coastal zone properties in Carlsbad follow Local Coastal Program standards, which include stricter front-yard setback rules that apply even where state ADU law might otherwise allow more flexibility. We factor those requirements into every coastal project we take on in Carlsbad.

A detached ADU in Carlsbad can be up to 1,200 square feet, and units up to 800 square feet are exempt from lot coverage limits. A & H Sullivan Construction will confirm the right size range for your specific property during our initial review.

We build detached backyard ADUs, attached ADUs, garage conversions, and ADUs above existing garages for Carlsbad homeowners. Each type has its own setback, height, and size rules under Carlsbad's municipal code, and we work within all of them.

Yes, the City of Carlsbad offers a free Permit Ready Program with pre-approved single-story detached plans in several sizes and styles. A & H Sullivan Construction can build from those pre-approved plans or work with custom designs that meet city standards.

Call A & H Sullivan Construction directly to schedule a site review for your Carlsbad property. We will walk through your lot conditions, local zoning rules, and the scope of work before any commitments are made.