As of Monday, May 18, our four office lobbies are open 8 a.m. to 12 p.m. Monday through Thursday for bill payments and delivery of engineering contracts only. All offices are closed New Year’s Day, Presidents’ Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and the following Friday, and Christmas Day. Call (800) 332-9540 or visit our Contact Us page to reach us outside of normal business hours.