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: 1 North Charles Street, 5th Floor Baltimore, MD 21201
Baltimore City, West Mailing Address & Location: Mondawmin Mall
2401 Liberty Heights Ave., Suite 4645 Baltimore, MD 21215
Baltimore County Mailing Address & Location: 170 W. Ridgely Road, Suite 200 Lutherville, MD 21093-5114 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: P.O. Box 1010 La Plata, MD 20646 Location: 200 Kent Avenue La Plata, MD 20646 Dorchester County Mailing Address: P.O. Box 259 Cambridge, MD 21613 Location: 627 Race Street 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: 7121 Columbia Gateway 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: P.O. Box 387 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: P.O. Box 1419 Hagerstown, MD 21741-1419 Location: 122 North Potomac Street Hagerstown, MD 21741 Wicomico County Mailing Address & Location: 309 Calvert Street, Suite 101 Salisbury, MD 21801
Worcester County Mailing Address: P.O. Box 39 Snow Hill, MD 21863 Location: 299 Commerce Street Snow Hill, MD