Documents in Portable Document Format (PDF) require Adobe Acrobat Reader or higher to view, download Adobe® Acrobat Reader. Skip Navigation. () · Grossmont Center Dr La Mesa, CA . Mount Helix. North Island Credit Union · See More Banks & Credit Unions in La Mesa. () · W El Camino Real Mountain View, CA 5 reviews of California Bank & Trust "I have been with this bank since I can remember!.