Starting March 17, 2020, GCSED offices will be closed for all in person consultation until further notice due to the efforts to prevent the spread of COVID - 19. Our Billing, Customer Service, and Project Management groups will still be available via phone at (937) 562-7450. Payments can be made via the local drop box, phone (855-925-1665), and internet based option. Please make note. Thank you and sorry for any inconvenience