Firm Contact Information Yost & Company, P.A. is located at:   1799 North Belcher Road Suite A Clearwater, FL  33765-1306 Email:  marty@yostcpa.com  (727) 724-0949 Voice (727) 724-8978 Fax Our office hours are 9:00am to 5:00pm Monday - Friday. Closed Saturday & Sunday.