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.
CSA leadership can assist you with questions and concerns at dhs.csaexecdir@maryland.gov.
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: 44 Calvert Street, 2nd Floor Annapolis, MD 21401 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, 9th 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 |