Specialist from Los Angeles, CA Member since Jun 25, 2014 Posts 44 Votes 31 Experience 14 Yrs 44 Posts 31 Votes Specialist from Los Angeles, CA Member since Jun 25, 2014 Posts 44 Votes 31 Experience 14 Yrs Nick Marrs Specialist Los Angeles, CA 31 Votes | 44 Posts I'm a structural engineer. Industry standard is to carry $1,000,000 professional & general liability policies (they're not required, but almost every professional qualified to design your home will carry it).