Legal Aid Main Office: 902 N. Main Street Santa Ana, CA Office: (714) 571-5200 or Toll Free (800) 834-5001. Serves the residents of Costa Mesa, Dana Point, Fountain Valley, Garden Grove, Huntington Beach, Irvine, Laguna Beach, Laguna Hills, Laguna Niguel, Lake Forest, Los Alamitos, Midway City, Mission Viejo, Newport Beach, Orange, San Clemente, San Juan Capistrano, Santa Ana, Seal Beach, Stanton, Sunset Beach, Tustin, Villa Park and Westminster.