PETERSEN MARK C

Petersen Mark C is a licensed contractor serving Glendora, California, specializing in accessory dwelling units (ADUs). They hold an active B - General Building license (#558595) verified through California Contractors State License Board (CSLB). With over 37 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 (626) 253 7033 or request a free consultation online.