| Business | Phone |
| Country Manor Realty 3739 Federal Hill Rd # 200, Jarrettsville 21084 | (410) 557-7000 |
| Gary Harper Realtors 3516 Glenoak Dr, Jarrettsville 21084 | (410) 557-7912 |
| John W Cairnes Realty Co 1718 Jarrettsville Rd, Jarrettsville 21084 | (410) 557-8080 |
| Smith Properties 3803 Norrisville Rd, Jarrettsville 21084 | (410) 692-6844 |