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Phone: 732.356.7400 | Fax 732.356.7954
1200 Mountain Avenue, Middlesex, New Jersey 08846

Welcome to the Borough of Middlesex web site. Our site features customer friendly information and resources to help serve you better. Please contact us if you need any assistance.

Borough Office Hours - Effective January 1, 2026

8:30am-4:00pm Monday through Friday

Summer Office Hours - Memorial Day through Labor Day:

8:30am-4:00pm Monday-Thursday
8:30am-1:00pm Friday

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