AMERICAN LOCK & KEY

American Lock & Key is a licensed contractor serving Rancho Cucamonga, California, specializing in accessory dwelling units (ADUs). They hold an active B - General Building license (#825520) verified through California Contractors State License Board (CSLB). With over 22 years of experience, they bring deep expertise to every project. Their ADU services include detached ADU construction and garage conversions. They serve clients throughout San Bernardino County. Call (909) 227 5455 or request a free consultation online.