Homepage: Did you know?
Maryland is the only state in the country that administers property tax assessments at the state level, making SDAT one of the largest mass-appraisal agencies in the nation. We manage 24 local assessment offices across the state to provide fair, transparent real property valuations and owner appeals for over two million Maryland residential and commercial properties.
Serving Maryland’s Business Community
In 2025, SDAT streamlined business formation and registration, provided enhanced support, and reduced wait times for business filers.
-
93%
Maryland Business Express Satisfaction in 2025
-
444,453+
Maryland businesses registered
-
400,000+
Annual report filings processed
Tax Credit Programs for Homeowners & Renters
We provide several affordability programs, including the Homeowners' (HTC), Renters' (RTC), and Homestead Tax Credits (HST) programs, to give direct financial relief to help Marylanders pay their property taxes and keep their homes.
Homepage: How can we help you today?
Real Property Assessment Information
Customers with questions regarding their business, real or personal property assessment, or tax credit are encouraged to contact the Department.
Services for New and Existing business owners
If you are starting a business, running a business, or have specific business needs, SDAT helps entrepreneurs plan, start, manage, and grow their businesses.
Homepage visual link collection
Opt in to recieve email notices
Receive general updates and timely annual reminders to file important documents like an Annual Report, a Personal Property Tax Return, and Homeowners' and Renters' Tax Credit applications.