Helpful Websites

Business Law and Regulations (from Small Business Administration) 

Guide to Legal Aspects of Doing Business in MD (MD Attorney General & Dept. of Business and Economic Development)

Maryland Entrepreneur’s Guide (Wikibook)

Official Small Business Website of the U.S. Government

MD Dept. of Assessments & Taxation (legal entities only)
410-767-1184

Washington County Office 
240-313-2776

MD Dept. of Assessments and Taxation-Corporate Charter Division
Trade name application
410-767-1184

Local

Washington County (Clerk of the Circuit Court)  
301-733-8660

State

MD Department of Commerce
1-888-246-6736 or 410-767-6300

Comptroller of Maryland
1-866-239-9359 or 410-260-6240 

MD Dept. of Labor, Licensing & Regulation
Occupational and Professional Licensing
410-230-6231 

MD Dept of Health
Health Related Professional Licensing
1-877-463-3464

Washington County

Permitting Department 
Electrical, Entrance, Grading, Mechanical, Plumbing, Utility, Zoning Permits
permsupport@washco-md.net

Health Department  
240-313-3400

Board of Liquor License Commissioners
301-797-4591

Federal
Employer Identification Number (EIN)
1-800-829-4933

Federal Withholding Tax
1-800-829-3676

Federal Self-Employment Tax 
1-800-829-4933

Social Security Administration
1-800-772-1213 

U.S. Citizenship and Immigration Services (I-9 form) 
For Employees: 888-897-7781
For Employers: 888-464-4218

Workplace Disabilities Programs
800-514-0301

State

Unemployment or Workers Compensation Insurance 

MD Dept. of Labor, Licensing & Regulations
410-949-0033

Unemployment Insurance
Unemployment Insurance Benefits: General Information - 410-949-0022 or 1-800-827-4839
Unemployment Insurance Tax: Employer Assistance - 410-767-2412 or 1-800-492-5524

Workers’ Compensation Insurance
410-468-2000 or 800-492-6116

Maryland Business Taxes
MD Comptroller of the Treasury
410-260-7980
Hagerstown Branch - 301-791-7108 or 1-800-638-2937

MD Dept. of the Environment 
410-537-3000
Hagerstown Field Office -Air and Radiation Administration - 410-537-3510
Hagerstown Field Office - Water and Science Administration - 410-537-3510

Environmental Permits 
Air, Land, Water Management permits
Click Here for a List of Contacts

Federal

Occupational Safety & Health Administration (OSHA)
1-800-321-OSHA(6742) 

State

MD Occupational Safety & Health 
410-527-4499

MD Dept. of the Environment 
410-537-3000

MD Dept. of the Environment 
410-537-3000

Oil Transportation Licenses and Permits
(410) 537-3442 or (800) 633-6101 ext. 3442

Radiation Control 
410-537-3193 or 410-537-3301

MD Dept. of Labor, Licensing & Regulation 
Boilers - 410-767-2990
Elevators - 410-767-2990
Amusements - 410-767-2348

MD State Highway Administration

Oversize/Overweight vehicles
1-800-846-6435 or 410-582-5727
General Conditions for Hauling Permits
Hauling Permit Manual

MD Motor Vehicle Administration
410-768-7000

MD Dept. of the Environment-Hazardous Waste Program
Asbestos handling, radioactive material handling, waste discharge into State waters, operation/terminal facilities, transport of hazardous substances, sewage, sludge and refuse disposal.
410-537-3314
For EPA IDs or Hazardous Waste Hauler Certifications: 410-537-3400

MD Dept. of Agriculture-Pesticide Regulation 
Use of pesticides
410-841-5710 

MD State Highway Administration
Outdoor advertising signs along a highway, constructing an entrance to a State Highway;
Installing or altering a traffic signal.
410-545-0300 or 1-800-323-6742
District 6 (Washington County):  800-535-8239 or 301-729-6968