List of Union Bank Stores in San Mateo, CA Outlet Note Regular Brands Union Bank California San Mateo Rating 4.9 based on 55 votes Products Online Banking Credit Cards Loans Retirement Savings Checking Investments Mortgage Rates Mobile Baking NameAddressPhone Name/Address/Phone Union Bank outlet - San Mateo 390 S El Camino Real (650) 342-9411 People Also Viewed