how many years in office did fdr serve
FDR served for 12 years and 42 days. He served three full terms and  died after serving less than three months of his fourth term.  However his second term was less than fou â¦ r years, since the  Inauguration date was moved from March 4 to January 20. He served  from March 4, 1933 until he died on April 12, 1945.