DEERFIELD BEACH, FL — Deerfield Beach is preparing to walk residents through a $426.2 million proposed budget for fiscal year 2027 that funds the biggest structural change in the city's public safety operations in decades: a transition from contracted Broward Sheriff's Office service to city-run police and fire rescue departments. The City Commission has scheduled a budget workshop for Tuesday, June 30, at 6 p.m. at the Hillsboro Community Cente…