facility services
electronic security
construction
 
 
 
Corporate Headquarters
560 Riverdale Drive
Glendale, CA 91204

ph) 888-880-4949
fax) 818-637-2111
email) info@callsierra.com



Sierra Group’s Special Projects Division manages any job that is more than “handy man” and less than major construction. A Special Project job can be as simple as painting an interior office or as complicated as performing emergency repairs or installing an Automatic Teller Machine.