Borough of Mountainside
Municipal Building – Borough Clerk
1385 Route 22
Mountainside, NJ 07092-2697
Books
- History of the Borough of Mountainside, Union County, New Jersey, 1895-1945 by Jean Hesketh Hershey
- A History of Mountainside, 1945-2007 (NJ): It Was Only Yesterday (Brief Histories) by Constance McNamara
Historic Sites & Museums
- Deacon Andrew Hetfield House, Constitution Plaza, Mountainside, NJ 07092
Libraries & Historical Societies
- Mountainside Boro Public Library, Constitution Plaza, Mountainside, NJ 07092