Shopping Walnut Creek Progressive Service Center Coming to Walnut Creek April 15, 2014 8:30 am 2860 N. Main St, Walnut Creek Thanks to everyone who sent word that Progressive is opening a new service center in Walnut Creek on N. Main St. where Piedmont Lumber used to be. To see what a Progressive Service Center is like check out this video: Previous Post Spring Free Family Fun Day at Orinda Theatre Square this Saturday Next Post Capriotti's Sandwich Shop Opens in Todos Santos Plaza in Concord