Mountainside

Welcome to Mountainside, NJ
Tucked along the Watchung Reservation in Union County, Mountainside offers a rare mix of natural beauty, excellent schools, and small-town charm—all within 25 miles of New York City. With tree-lined neighborhoods, mountain views, and a low-key vibe, this community is ideal for those looking to slow down without missing out.

While there’s no traditional downtown, Mountainside benefits from nearby retail centers and strong local businesses. The town shares borders with Westfield, Springfield, and Berkeley Heights, giving residents easy access to shopping, dining, and transit—all while enjoying a quiet, residential lifestyle.

 
Outdoor Living & Family Appeal
One of the biggest perks of living in Mountainside is proximity to nature. The town borders the expansive Watchung Reservation, where locals hike, bike, picnic, and even go horseback riding. Other nearby gems include Echo Lake Park, Trailside Nature & Science Center, and Mountainside Community Pool—a summer favorite.

Families are drawn to Mountainside for its safe neighborhoods, strong civic spirit, and excellent schools. It’s a place where kids ride bikes, neighbors say hello, and community pride runs deep.

 
Schools & Commuting
Students in Mountainside attend the Mountainside School District through 8th grade and then transition to Governor Livingston High School in nearby Berkeley Heights. The district is known for academic excellence, small class sizes, and student support.

Mountainside doesn’t have its own train station, but it offers quick access to NJ Transit stops in Westfield and Summit. Drivers enjoy proximity to Route 22, Route 78, and the Garden State Parkway, making commuting to NYC or anywhere in North Jersey convenient and flexible.

 
Helpful Links
Mountainside Borough Website
Mountainside School District
Governor Livingston High School
Union County Parks – Watchung Reservation