Posts by Borough of Mountainside
Contact Us
Official Website of Mountainside, New Jersey
1385 US Highway 22 East
Mountainside, NJ 07092
Welcome to our new website!
Welcome! We hope you find our new website helpful and easier to navigate. It's now as easy to use on your smartphone as your desktop. Take a tour and please tell us what you think.
Borough of Mountainside
The 2026 Mountainside Police Youth Academy is right around the corner.
July 6 - July 10
Fee: $100
DEADLINE FOR SIGNUPS: May 20, 2026
Any questions or for more information please contact call 908-232-8100 or email sbendik@mountainsidepd.com or amelville@mountainsidepd.com
Become a Member of the Mountainside Community Pool NOW!!!
Registration is now open.
Visit Civic Rec to register.
American Water will continue a water main replacement project on Central Avenue for the next several weeks. Road closures may occur periodically throughout the duration of this project.
Motorists are advised to plan alternate routes and allow extra travel time. Residents and businesses in the area may experience temporary traffic disruptions.
Contact Us
Official Website of Mountainside, New Jersey
1385 US Highway 22 East
Mountainside, NJ 07092
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