Mountainside is a borough located in Union County, New Jersey. The town is known for its beautiful residential neighborhoods and its rich history.

The homes in Mountainside are typically single-family homes, ranging in style from Colonial and Cape Cod to Ranch and Split-Level. Many of the homes are situated on large lots and feature well-manicured lawns and mature trees. The town is also known for its high-end luxury homes, many of which boast modern amenities and stunning views of the surrounding landscape.

Mountainside has a rich history that dates back to the 18th century, when the area was primarily farmland. In the 19th century, the town became a popular destination for wealthy New Yorkers who sought respite from the city's hustle and bustle. Many of the town's historic homes and buildings date back to this period, and can be seen throughout the town's historic district.

One of the town's most significant historic landmarks is the Hetfield House, which was built in 1760 and is one of the oldest homes in the area. The house has been restored and is now a museum that showcases the history of the area.

Overall, Mountainside is a charming town with a rich history and beautiful homes. Its proximity to major cities like New York and Newark makes it a popular destination for those seeking a suburban lifestyle with easy access to urban amenities.

Discover the community


Mountainside, New Jersey, is conveniently located near major transportation routes, making commuting to neighboring towns and cities relatively easy. Here are some of the commuting options available from Mountainside:

  • Car: Mountainside is located near several major highways, including Route 22 and the Garden State Parkway, which provide easy access to destinations throughout New Jersey and beyond. The town also has plenty of parking options, including commuter lots and street parking.

  • Train: The nearest train station is in Westfield, which is just a few miles away from Mountainside. The Westfield station is served by NJ Transit's Raritan Valley Line, which provides direct service to Newark and New York City.

  • Bus: NJ Transit also operates several bus routes that serve Mountainside and surrounding towns. These routes provide connections to destinations throughout the region, including Newark and New York City.

  • Shuttle: Some local employers, such as Overlook Hospital, offer shuttle services for employees who live in Mountainside and surrounding towns.

Overall, Mountainside offers several commuting options that make it easy for residents to get to work or school in neighboring towns and cities. Whether you prefer to drive, take public transportation, or use a shuttle service, there are plenty of options available to get you where you need to go.


Mountainside, New Jersey, is home to a few restaurants that offer a diverse selection of cuisines. The main shopping area is the three-block retail district on Mountain Avenue. It has been renovated with concrete paver sidewalks and Victorian style street lamps. The stores include The Bake Zone, Mazzella's Gourmet Market, Christoffer's Flowers & Gifts and a couple of restaurants including Publick House and Daimatsu Japanese Sushi Bar. Here are some of the types of food you can expect to find in Mountainside:

  • Publick House: A popular restaurant and bar that specializes in American cuisine and craft beer. The menu at the Publick House features classic American dishes like burgers, sandwiches, salads, and seafood, as well as some more unique options like quinoa bowls and flatbreads. All of the ingredients used in the dishes are fresh and locally sourced whenever possible, and the menu is updated regularly to reflect seasonal changes.

  • Daimatsu: A Japanese restaurant located in Mountainside, New Jersey, that specializes in sushi and other traditional Japanese dishes. The menu at Daimatsu features a wide variety of sushi rolls, sashimi, and nigiri, all made with fresh, high-quality ingredients. The restaurant has a full bar that serves beer, wine, and specialty cocktails, as well as sake and other Japanese spirits.

  • The Bake Zone: A bakery with a wide selection of baked goods, including pastries, bread, cakes, and cookies, all made fresh daily. Some of the most popular items include croissants, muffins, scones, and brownies. The bakery also serves coffee and tea, with a variety of flavors and roasts to choose from.


Mountainside, New Jersey, offers a variety of entertainment options for residents and visitors to enjoy. Here are some examples:

  1. Watch a movie at the AMC Mountainside 10 theater: This modern movie theater offers comfortable seating and the latest blockbuster films.

  2. Visit the Trailside Nature and Science Center: This educational facility features interactive exhibits, a planetarium, and live animal displays. There are also numerous hiking trails and outdoor activities available.

  3. Attend a concert or show at the Union County Performing Arts Center: This historic theater hosts a wide range of performances, from musicals and plays to comedy shows and concerts.

  4. Play a round of golf at the Echo Lake Country Club: This private club offers an 18-hole championship golf course, as well as other amenities like tennis courts and a swimming pool.

  5. Explore local parks: Mountainside is home to several parks and recreation areas, including the Watchung Reservation, which offers hiking trails, picnic areas, and scenic views.

  6. Participate in community events: Mountainside hosts a variety of events throughout the year, such as the Annual Fall Festival and the Summer Concert Series, which provide opportunities for residents to socialize and have fun.

Overall, Mountainside has a variety of entertainment options to suit different interests and lifestyles, making it a great place to live or visit.

Mountainside Schools

Mountainside is a small borough in Union County, New Jersey, and its public school system serves students from pre-kindergarten through eighth grade. The Mountainside School District has two schools, including an elementary school and a middle school.

The schools in Mountainside are:

  1. Beechwood School: This school serves students from pre-kindergarten through second grade. The curriculum focuses on building strong foundational skills in reading, writing, and math, as well as social and emotional development. The school also offers classes in science, social studies, art, music, and physical education.

  2. Deerfield School: This school serves students from third through eighth grade. The curriculum is designed to challenge students academically, with a strong emphasis on STEM (science, technology, engineering, and math) education, as well as language arts, social studies, and the arts. The school also offers classes in world languages, such as Spanish and French, as well as extracurricular activities like music programs and sports teams.

After eighth grade, Mountainside students attend nearby Governor Livingston High School in Berkeley Heights as part of a sending/receiving relationship between the two districts.

In addition to traditional academic programs, the Mountainside School District offers a range of extracurricular activities, including clubs for students with diverse interests, such as chess club and robotics club. The district also has a strong commitment to inclusive education and provides support for students with special needs.

Overall, the Mountainside School District is a small but thriving district that focuses on providing a well-rounded education for its students, with a strong emphasis on academic achievement and personal development.


  • Beechwood School (PK-2) 
  • Deerfield School (Grades 3-8)
  • Governor Livingston High School (Grades 9-12)

Enjoy all that Mountainside has to offer. If you’re interested in calling Mountainside home, let us know! We have a wealth of buyer resources to help you get started with the home buying process. Check out our featured properties or use our search feature to find a home that fits your lifestyle.

If you’re selling your Mountainside home, we’re sad to see you go. We know the home selling process can be stressful, so list with us and we’ll take care to make sure your real estate transaction goes smoothly and successfully. Find out information about selling your home with our resources, which include information on what your home is worth and how we can sell for more money. If you have any questions or concerns, contact us.