The City in partnership with The Peterson Companies & Rio Washingtonian Center, will host the 19th Annual St. Patrick’s Day Parade at Rio Washingtonian Center, at Rio Boulevard & Grand Corner Avenue. This year’s Grand Marshal is Garry Walker of the Gaithersburg-Washington Grove Volunteer Fire Department. The parade will be emceed by Albie Dee from 94.7 The Drive – DC’s Greatest Hits and JP Flaim of The Sports Junkies from 106.7 The Fan – DC Sports Radio. Following the parade there will be live entertainment by the Lloyd Dobler Effect on the lakefront plaza until 2 p.m. Free parking is available in three garages along Washingtonian Boulevard.