Department of Environmental Resources (DER)
System Benefit Charge Find Your Building's Enclosed Area
Proceed to the Maryland Department of Assessments and Taxation, Real Property System to determine your Enclosed Area.
Instructions for navigating through the Real Property System to find your enclosed area are below in PDF format. You will need Adobe Acrobat Reader to view the document below. If you do not have Acrobat Reader, you may download it free from the Adobe Website. Scroll down the main Adobe web page until you see the "Get Acrobat Reader" icon as pictured here.
View the instructions (pdf)
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