If you need assistance from the Building, Zoning, or Public Works Departments and are unable to use the stairs, please call:

📞 908-232-2409

A staff member will come downstairs to assist you.

We apologize for the inconvenience and appreciate your patience.

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HAPPY 250TH AMERICA!!!!

Borough of Mountainside

Things to do

Recycling

Borough Government

Parks and Recreation

Children's Programs

Construction

Community Pool Information

Mountainside America's 250th Events

News

Central Ave Closed
By Borough of Mountainside - Jul 14, 2026
MOUNTAINSIDE TOWN HALL MEETING
By Borough of Mountainside - Jul 01, 2026
PURCHASE AMERICA'S 250TH MOUNTAINSIDE T-SHIRTS
Jun 22, 2026
Deerfield and Borough Hall Tennis Courts Resurfacing
May 22, 2026
Mountainside America 250 Events (May and June)
May 05, 2026

Register for the Mountainside Community Pool!

Become a Member of the Mountainside Community Pool NOW!!!

Registration is now open.

Visit Civic Rec to register.

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