Avalon Property Services, with 140 employees and annual sales of between $3-5 million, supports corporate clients throughout Southern California with an array of services that include general cleaning, day porter services, carpet cleaning, floor sealing/maintenance, window cleaning, pressure washing, construction clean-up, move-out cleaning and more. The company has been in operation since 1994, and the Costa family has owned it since 2003 when they bought the company through a Baton Transition.