Welcome to the Essex County Department Directory.  On this page you can find links to our County Departments.  Click on a “Table of Contents” link to be brought to that section.  You can click on the heading of a section to be sent to that Department’s main page. 

Department Telephones  |  Employee Telephones  |  Directory (PDF)

Table of Contents

Contact Information

Essex County Links 1

Essex County Links 2

Assigned Counsel

Auditor's Office

Board of Elections

Board of Supervisors

BRIEF

Community Resources

County Clerk

DPW (Public Works)

DSS 1 (Social Services)

DSS 2 (Social Services)

DSS 3 (Social Services)

District Attorney

Emergency Services 1

Emergency Services 2

Health Department

Mental Health

Office for the Aging

Personnel

Purchasing

Real Property

Sheriff's Office

Transportation

Treasurer's Office

Main County Complex Closure Notice 10/15/2026

Please be advised that the Main County Complex (area between the County Courthouse and Social Services building) is closed for the rest of the day today, Thursday, October 15th, 2026. Thank you.

IMPORTANT NOTICE

The County will be CLOSED to non-essential personnel Monday, December 29th. County will reopen on Tuesday December 30th. Essex County Public Transportation is also closed.

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