Since its inception in 1952 the Corner Stone Credit Union has been serving its members in the LANCASTER, Texas area with exceptional financial products. You can find their current interest rates on used car loans, new car loans, 1st mortgage loans and interest rates on both fixed and adjustable mortgages here on these pages. Currently led by stacey mcdonald, the Corner Stone CU has grown its membership to over 4,997 with assets of more than $21,429,189. They have a main office and 2 branch offices.