List of Union Bank Stores in Sonoma, CA Outlet Note Regular Brands Union Bank California Sonoma 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 - Sonoma 500 Broadway (707) 933-1145 Union Bank outlet - Sonoma 500 Broadway People Also Viewed