Comptroller of Maryland - Local Branch Offices

You can obtain free Maryland tax assistance in person or over the phone by contacting any of the 12 locations listed below. Assistance is available 8:00 a.m. - 5:00 p.m., Monday through Friday.

You can also e-mail your tax questions to us at taxhelp@comp.state.md.us Please include your business name, address and your nine-digit federal employer identification number (FEIN) or eight-digit Maryland central registration number in your e-mail message. This will help us generate a quick response to your inquiry.

For driving directions, click on the name of the office.

Location	Counties Served	Phone Number
Annapolis 80 Calvert Street	Anne Arundel	410-260-7980 1-800-MD TAXES
Baltimore 301 W. Preston Street, Room 206	Baltimore City	410-767-1995
Cumberland 112 Baltimore St., 2nd floor	Allegany, Garrett	301-777-2165 or 301-334-8880
Elkton Upper Chesapeake Corporate Center 103 Chesapeake Blvd, Suite D	Cecil	410-996-0580
Frederick 100 W. Patrick St. Room 2110	Frederick	301-600-1982
Hagerstown One South Potomac Street	Washington	301-791-4776
Landover 8181 Professional Place, Suite 101	Prince George's	301-459-9195
Salisbury 201 Baptist St., Room 2248	Dorchester, Caroline, Somerset, Talbot, Wicomico, Worcester	410-713-3660
Towson 300 E. Joppa Road, Plaza Level 1A	Baltimore County	410-321-2306
Upper Marlboro 14735 Main Street, Room 083B	Prince George's	301-952-2810
Waldorf 183 Smallwood Village Center	Charles, St. Mary's	301-645-2226 or 301-843-0977
Wheaton 11510 Georgia Avenue, Suite 190	Montgomery	301-949-6030