Administrator's Office

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Colleen Mahr, County Administrator
Shelly Bell, Assistant to the County Administrator

Phone:           908-231-7040 
Fax:   908-231-1740
Mail:   20 Grove Street, P.O. Box 3000, Somerville, NJ 08876
  • Responsible for the day-to-day operation and supervision of county departments and projects.
  • Responsible for implementing policies set by the Board of County Commissioners.
  • Represents the Commissioners in many internal and external matters.