Skip to main content

An official website of the State of Maryland.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Contact Us

Schedule Appointments Online

Department of Assessments and Taxation

700 East Pratt Street, 2nd Floor, Suite 2700
Baltimore, Maryland 21202​

​Phone: 410-767-1184
Toll Free/Outside the Baltimore Metro Area: 1-888-246-5941
Maryland Relay: 1-800-735-2258
General inquiries email: ​[email protected]

Public Information Act (PIA) Requests: [email protected]

Accessibility: [email protected] 

Subscribe to Maryland State Department of Assessments & Taxation Email

Business Personal Property

  • Phone:
  • Email: 
  • Franchise Tax and Utility Assessments
  • Mailing addresses:
    • For correspondence, applications, appeals, amended returns and late filing penalty payment
      • Maryland Department of Assessments and Taxation Business Personal Property Division
        700 East Pratt Street, 2nd Floor, Suite 2700
        Baltimore, Maryland 21202​
    • For Form 1 Personal Property Returns (initial filings only)
      • Maryland Department of Assessments and Taxation Business Personal Property Division
        P.O. Box 17052 
        Baltimore, Maryland 21297-1052

Real Property

Ground Rent

Ground Rent Email: [email protected]
Phone: 410-767-1151

Tax Credits

Corporate Charter Business Filings

Tax Sale Ombudsman & Homeowner's Protection Program

Phone: 410-767-4994 or 833-732-8411 (toll free)

Email: [email protected]

Customer Service

Service hours are Monday through Friday, from 8:30 am to 3:30 pm

Phone:  410-767-1330

Email: [email protected] 

We continually strive to enhance our services. Please share your experience with SDAT: Maryland Customer Service Survey!