Warrenton Mayor Greg Costello has decided to run for a second term. He filed last week after filing opened Tuesday, Dec. 15. Filing ends Jan. 19, 2010. The municipal election is April 6, 2010. Costello, who was elected mayor in 2008, served as an alderman for two separate terms in 2003 and 2006. He served as mayor for 12 years, from 1986 to 1998, before taking a break from public office. So far, the three incumbent Warrenton aldermen whose terms expire next year have filed to run again and all three will face challengers. Ward 1 Alderman Jerry Cullom will face John Cornell, while incumbent Fred Flake will square off against Wayne Smith in Ward 2. In Ward 3, Jim Dreyer has opposition from Don Broering. In Truesdale, incumbent Rhonda Colombo has filed for one of two alderman seats. Cliff Tucker has joined the race for two seats on the Warren County R-III School Board. He joins incumbent Jan Sutherland and Scott Costello. Incumbents Austin Jones and Mary Groeper are running for re-election to the Wright City R-II School Board. No new filings have occurred in the past week in Wright City. So far, incumbent Mayor Roy White will face former challenger Bill Schaffer. Ward 1 Alderman Jim Schuchmann has opposition from Danny Campbell. Alderman Angie Reynolds is the lone candidate to file in Ward 2. No residents have yet to file for two aldermen seats in Marthasville. Other filings reported by press time: Wright City Fire Protection District - Keith Thompson. Warren County Emergency Services - North District, Jean Deutsch; South District, Cindy Buescher and Eugene Jenkins; and at-large, Ralph Hellebusch. Warren County Ambulance District - Merlyn Petersmeyer and Don Priest. St. Charles County Water - Virginia Dowden.