ALTHERR L J DESIGN AND CONSTRUCTION

Altherr L J Design And Construction is a licensed contractor serving Avalon, California, specializing in accessory dwelling units (ADUs). They hold an active B - General Building license (#728114) verified through California Contractors State License Board (CSLB). With over 29 years of experience, they bring deep expertise to every project. Their ADU services include detached ADU construction and garage conversions. They serve clients throughout Los Angeles County. Call (310) 351 5676 or request a free consultation online.