Town Hall Address 1 Kings Hwy. Middletown, NJ 07748-2594 United States- Monmouth County Website https://www.middletownnj.org/246/Navesink County Clerk 732-615-2015 Monday - Friday: 9:00 A.M. - 5:00 P.M. 1 Kings Hwy. Middletown, NJ 07748-2594 United States County Admin 732-615-2010 Middletown, NJ 07748-2594 United States Assessor 732-615-2089 1 Kings Hwy. Middletown, NJ 07748-2594 United States Tax Collector 732-615-2086 1 Kings Hwy. Middletown, NJ 07748-2594 United States Attorney 732-268-8000 1 Kings Hwy. Middletown, NJ 07748-2594 United States Mayor 732-615-2024 1 Kings Hwy. Middletown, NJ 07748-2594 United States Municipal Court 732-615-2036 1 Kings Hwy. Middletown, NJ 07748-2594 United States County Monmouth