Contact CSA

Call

All questions and information updates (new address, employer, phone number or email address) can be directed to the toll-free DHS hotline at 1-800-332-6347.

Physical and Mailing Addresses

*PLEASE NOTE: These addresses are for Child Support locations and mailings. Not all CSA offices are located at the same location as local DSS offices.

Allegany County
Mailing Address & Location:
1 Frederick Street
Cumberland, MD 21502
Anne Arundel County
Mailing Address:
P.O. Box 1870
Annapolis, MD 21404
Location:
44 Calvert Street
Annapolis, MD 21401
Baltimore City, East
Mailing Address & Location:
1900 N. Howard Street,
Baltimore, MD, 21218
Baltimore City, West
Mailing Address & Location:
Mondawmin Mall
2401 Liberty Heights Ave., Suite 4645
Baltimore, MD 21215
Baltimore County
Mailing Address & Location:
211 Schilling Circle, Suite 102
Hunt Valley, MD 21031
Calvert County
Mailing Address & Location:
200 Duke Street
Prince Frederick, MD 20678
Caroline County
Mailing Address:
P.O. Box 400
Denton, MD 21629
Location:
300 Market Street
Denton, MD 21629
Carroll County
Mailing Address:
P.O. Box 930
Westminster, MD 21158
Location:
1232 Tech Court
Westminster, MD 21157
Cecil County Office of Child Support
Mailing Address:
P.O. Box 1160
21922-1160 Elkton, MD
Location:
170 East Main Street
Elkton, MD 21921
Charles County
Mailing Address:
200 Kent Avenue,
La Plata, MD 20646
Location:
200 Kent Avenue
La Plata, MD 20646
Dorchester County
Mailing Address:
2737 Dorchester Square
Cambridge, MD 21613
Location:
2737 Dorchester Square
Cambridge, MD 21613
Frederick County
Mailing Address:
P.O. Box 237
Frederick, MD 21705
Location:
1888 North Market Street
Frederick, MD 21701
Garrett County
Mailing Address & Location:
12578 Garrett Highway
Oakland, MD 21550
Harford County
Mailing Address & Location:
101 S. Main Street Suite 200
Bel Air, MD 21014
Howard County
Mailing Address & Location:
9780 Patuxent Woods Drive
Columbia, MD 21046
Kent County Office of Child Support
Mailing Address & Location:
315 High Street, Suite 208
Chestertown, MD 21620
Montgomery County
Mailing Address:
51 Monroe Street, Suite 811
Rockville, MD 20850
Location:
51 Monroe Street, 10th Floor
Rockville, MD 20850
Prince George’s County
Mailing Address & Location:
4235 28th Avenue, Suite 135
Temple Hills, MD 20748
Queen Anne’s County
Mailing address:
125 Comet Drive
Centerville, MD 21617
Location:
125 Comet Drive
Centreville, MD 21617
St. Mary’s County
Mailing Address:
Joseph D. Carter Bldg.
P.O. BOX 509
Leonardtown, MD 20650
Location:
23110 Leonard Hall Drive
Leonardtown, MD 20650
Somerset County
Mailing Address:
P.O. Box 369
Princess Anne, MD 21853
Location:
30397 Mt. Vernon Road
Princess Anne, MD 21853
Talbot County
Mailing Address & Location:
301 Bay Street, Unit 5
Easton, MD 21601
Washington County
Mailing Address & Location:
122 North Potomac Street
Hagerstown, MD 21741
Wicomico County
Mailing Address & Location:
31901 Tri-County Way, Suite 101
Salisbury, MD 21801
Worcester County
Mailing Address & Location:
299 Commerce Street
Snow Hill, MD 21863