DE CASTRO MARK A CONTRACTING

Based in San Juan Capistrano, California, DE Castro Mark A Contracting is a licensed contractor experienced in ADU construction and development. They hold an active B - General Building license (#339288) verified through California Contractors State License Board (CSLB). With over 48 years of experience, they bring deep expertise to every project. Their ADU services include detached ADU construction and garage conversions. They serve clients throughout Orange County. Call (949) 310 3528 or request a free consultation online.