Hartman’s Locksmith – Prospect Heights, Illinois Locksmith Hartman’s Locksmith is a Chicagoland Mobile Locksmith. As a licensed Prospect Heights locksmith, Hartman’s Locksmith specializes in 24-Hour Locksmith Emergency, Residential, Commercial, and Automotive locksmith services. If you’re locked out, need locks replaced, need locks fixed, need locks repaired, need locks rekeyed, or need other locksmith services in Prospect Heights, IL contact Hartman’s Read more...