Contact Us
Schedule Appointments Online
SDAT's main public counter at 123 Market Pl. is open to the public by appointment for business filings and tax credits applications.
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]
Business Personal Property
- Phone:
- Main Phone: 410-767-1170 (available from 10:00am - 2:00pm)
- Outside the Baltimore Metro Area: 1-888-246-5941
- Valuation - Enterprise Zones: 410-767-1191
- Email:
- General Questions Email: [email protected]
- Exemptions and Local Government Questions Email: [email protected]
- Franchise Tax and Utility Assessments
- Email: [email protected]
- Phone: 410-767-1940
- 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
- Maryland Department of Assessments and Taxation Business Personal Property Division
- 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
- Maryland Department of Assessments and Taxation Business Personal Property Division
- For correspondence, applications, appeals, amended returns and late filing penalty payment
Real Property
- Real Property Headquarters: 410-767-1199
- For Real Property assessments and appeals, and to apply for Veteran's Exemptions, Blind Person's Exemptions, and Enterprise Zone Credits, please contact your local assessment office.
Ground Rent
Ground Rent Email: [email protected]
Phone: 410-767-1151
Tax Credits
- Homestead Tax Credit
Email: [email protected]
Phone: 410-767-2165 (available from 10:00am - 2:00pm)
Toll Free: 1-866-650-8783 - Homeowners' Tax Credit
Email: [email protected]
Phone: 410-767-4433 (available from 8:30am - 3:30pm)
Toll Free: 1-800-944-7403 - Renters' Tax Credit
Email: [email protected]
Phone: 410-767-5915 (available from 10:00am - 2:00pm)
Toll Free: 1-800-944-7403
Corporate Charter Business Filings
- Public Counter Information (Baltimore)
- No appointment is required for Rush (in by 10:00AM out by 3:45PM) drop-box service.
- No appointment is required to drop off Annual Reports, Business Personal Property Returns, and other non-Rush filings.
- General Charter Inquiries (including resident agent name availability, and newly filed documents):
Email: [email protected] or [email protected]
Phone: 410-767-1330 (available from 8:30am - 3:30pm) - Charter Legal Review and New Businesses
Phone: 410-767-1330 (available from 10:00am - 2:00pm) - Service of Process
Email: [email protected]
Phone: 410-767-8195 (available from 8:30am - 3:30pm) - Trade Names
Email: sdat.tradenamehelp@maryland.gov
Phone: 410-767-1801 (available from 8:30am - 3:30pm) - Certificates of Status / Good Standing
Email: [email protected]
Phone: 410-767-1344 (available from 8:30am - 3:30pm) - Copies of Documents
Email: [email protected]
Phone: 410-767-1342 (available from 8:30am - 3:30pm) - Rejected Annual Reports & Penalty Payments
Email: [email protected]
Phone: 410-767-4950 (available from 8:30am - 3:30pm) - UCC Filings
Email: [email protected]
Phone: 410-767-1459 (available from 8:30am - 3:30pm) - Transfer of Controlling Interest (TCI)
Email: [email protected]
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!