Mountainside Real Estate

Welcome to Mountainside, a picturesque town nestled in Union County, New Jersey. Known for its scenic beauty and close-knit community, Mountainside offers residents a perfect blend of suburban tranquility and urban convenience.

Situated at the foothills of the Watchung Mountains, Mountainside boasts stunning views and an abundance of outdoor recreational opportunities. Residents can enjoy hiking, biking, and picnicking in the nearby Watchung Reservation, a sprawling nature reserve that provides a peaceful escape from the hustle and bustle of city life.

With its top-rated schools, family-friendly neighborhoods, and charming downtown area, Mountainside is a sought-after destination for homebuyers looking to settle down in a welcoming community. The town's strong sense of community is evident in its many local events and festivals, where neighbors come together to celebrate and connect.

Conveniently located near major highways and public transportation, Mountainside offers easy access to the cultural attractions and employment opportunities of nearby cities like New York and Newark. Whether you're looking for a quiet retreat or a vibrant suburban lifestyle, Mountainside has something for everyone.

Come discover the beauty and charm of Mountainside – where small-town living meets modern convenience in the heart of Union County, New Jersey.

Newest Listings in Mountainside

$1,195,000

3 Beds ⋅ 3 Baths

Beautiful private neighborhood, all newer high end & stylish updates, desirable ranch living & resort inspired back yard- Welcome home! Main level features: inviting spacious formal living room w/ gas fireplace & large bay window, continuing into the beautiful formal dining room. Newer eat-in kitchen w/ brand new LG stainless steel appliances, custom back splash & ample cabinets. The lovely primary bedroom features an impressive custom built-in cabinet, while the recently renovated en-suite bath showcases beautiful tile work & elegant brushed gold finishes. Completing this level are 2 additional bedrooms & a spacious, newly renovated full bath including designer vanity & marble countertop. The completely updated lower level provides flexible living space w/ large rec room, storage, full bath & laundry rm w/ refrigerator & wine fridge. Additional attributes: 2 car garage, Smart home, abundance of natural sunlight, recessed lighting, custom closets, hardwood floors throughout, spacious attic & ample closet space. Enjoy your own private backyard retreat: fully renovated heated saltwater pool w/ an integrated spa, beautiful paver patio & bonus sitting area that provides the perfect space for outdoor dining & level yard for all your outdoor entertaining. Desirably located in the Sherwood Forest neighborhood w/ minutes to downtowns w/ top restaurants & shopping, top rated schools, medical centers, Golf Clubs Nature preserve, & several NYC transit options. Perfection at its best!

1625 Nottingham Way, Mountainside

Listing courtesy of Listing Agent: Karen Peters () from Listing Office: Coldwell Banker, Wayne.

$749,900

3 Beds ⋅ 3 Baths

Lovingly owned for over three decades, this well-maintained home is being offered for sale for the first time since the current owners raised their family here. Located in one of Mountainside's most desirable neighborhoods, it offers space, functionality, and lasting pride of ownership. The main level features 3 bedrooms and 2 full bathrooms, including a primary suite with a private bath, plus a comfortable living room, dining area, and kitchen. The finished basement adds valuable living space with a full bathroom and direct interior access to the oversized attached 2-car garage, ideal for recreation, guests, hobbies, or a home office. Enjoy outdoor living on the large rear deck overlooking a spacious backyard with fenced areas for pets, a protected garden section, and additional yard space beyond the existing fence. Additional features include central air conditioning, public water and sewer, propane heat, a large driveway with ample parking, and included washer and dryer. Vacant and ready for immediate occupancy, this home offers an exceptional opportunity to update and make it your own while benefiting from years of careful maintenance. Conveniently located near shopping, dining, major roadways, parks, and highly regarded Mountainside schools, this property combines everyday convenience with the charm and quality of one of Union County's most sought-after communities.

1542 Us Highway 22, Mountainside

Listing courtesy of Listing Agent: Matthew Gevirtz () from Listing Office: EXP Realty, LLC.

$949,999

3 Beds ⋅ 3 Baths

1626 Larkspur Dr, Mountainside

Listing courtesy of Listing Agent: Raisa Nunez () from Listing Office: Keller Williams City Views Realty.

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board logo The data relating to the real estate for sale on this web site comes in part from the Internet Data Exchange Program of the NJMLS. Real estate listings held by brokerage firms other than Century 21 AG Realty Group are marked with the Internet Data Exchange logo and information about them includes the name of the listing brokers. Some properties listed with the participating brokers do not appear on this website at the request of the seller. Listings of brokers that do not participate in Internet Data Exchange do not appear on this website. All information deemed reliable but not guaranteed. Last date updated: . Source: New Jersey Multiple Listing Service, Inc. “2026 New Jersey Multiple Listing Service, Inc. All rights reserved.”