If the information contained in DEP's Covered Buildings Inventory is inaccurate, online users may correct any inaccuracies with the state tax assessment office (First link below) or CoStar directly (Second link below). If a building owner needs to apply for a waiver, a form is available on the benchmarking website. Online users may also contact DEP by clicking on the Create Service Request button below. Please complete all of the fields in the Contact Information section and provide a brief description of the request, and the address of the building in the Brief Description field.