Since its inception in 1963 the Marin County Federal Credit Union has been serving its members in the SAN RAFAEL, California 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 Elesja Callaghan, the Marin County FCU has grown its membership to over 4,374 with assets of more than $71,091,046. They have a main office and 1 branch offices.