Mountainside Boro Homes under $1.25 million

Welcome to Mountainside Boro, a charming gem nestled in Union County, New Jersey. This picturesque town, surrounded by the stunning Watchung Mountains, offers residents a serene escape from the hustle and bustle of city life while still providing easy access to urban amenities. With its lush landscapes, friendly neighborhoods, and excellent schools, Mountainside Boro is a perfect place for families, young professionals, and retirees alike.

One of the most appealing aspects of Mountainside Boro is its diverse selection of homes available for under $1.25 million. Whether you're searching for a cozy single-family home with a spacious backyard, a modern townhome with luxurious finishes, or a classic colonial with timeless charm, you'll find a variety of options that cater to your unique lifestyle and budget. Many of these homes boast stunning views of the surrounding mountains, providing a picturesque backdrop for everyday living.

In addition to its beautiful residences, Mountainside Boro is known for its vibrant community spirit. Residents enjoy a range of recreational activities, including hiking and biking trails, parks, and local events that bring neighbors together. The town is also conveniently located near major highways and public transportation, making it easy to commute to nearby cities like Newark and New York City.

Explore the warmth and charm of Mountainside Boro, where you can find your dream home without breaking the bank. With its blend of natural beauty, community engagement, and affordable housing options, this delightful town truly has something for everyone. Come discover what makes Mountainside Boro the perfect place to call home!

Newest Mountainside Boro Homes under $1.25 million

$999,000

4 Beds ⋅ 3 Baths ⋅ 4059092 MLS

An exceptional opportunity to create your dream home from a true blank canvas. This property has been fully prepped and is ready for your vision no demolition required. The heavy lifting has already been done, allowing you to focus on design and finishes tailored to your style. This brick raised ranch offers 5 bedrooms, including 2 on the main level, 2 framed on the second floor, and 1 on the ground level. There are 3 bathrooms ready to be completed, plus the potential for 2 additional baths on the second floor.The main level features hardwood floors, a spacious kitchen area with a separate, sun-filled dining space highlighted by wall-to-wall windows, and two wood-burning fireplaces. The second floor is framed for two bedrooms with private baths, along with a bonus space ideal for a home office or additional living area. There is also the potential for a larger expansion should you desire. The ground level offers a large, versatile flex space perfect for a family room, recreation area, or whatever suits your needs, along with a bedroom, bathroom, oversized laundry room, and ample storage. Walk-out access adds convenience and functionality. Situated on an expansive 0.827-acre lot, the property also includes bay windows in both the living room and dining area, bringing in abundant natural light.

1495 Fox Trail, Mountainside Boro

$599,000

3 Beds ⋅ 2 Baths ⋅ 4058625 MLS

OPPORTUNITY KNOCKS IN MOUNTAINSIDE! Bring your vision and BEST OFFER to this hidden gem of a neighborhood at 166 Locust Avenue! Hidden behind the trees is POTENTIAL. This three bedroom, two bath Colonial in Mountainside offers an exciting opportunity to create a home that reflects your style. Whether you're a first time home buyer looking to build equity and break into gorgeous Mountainside, or a builder ready for your next project, there's plenty of potential to explore. Wood floors throughout and updated windows. Echo Lake Park is located at the end of the street, right through a path that takes you to the swings. Fireplace is as is with no known issues. The home needs TLC and is being sold strictly as is. Bring your ideas, roll up your sleeve, and make this Mountainside home your own! A great rental alternative.

166 Locust Ave, Mountainside Boro

$899,000

3 Beds ⋅ 3 Baths ⋅ 4058029 MLS

Custom large brick ranch on large corner property. First floor features a large eat in kitchen, living room w/ fireplace, dining room, breakfast area, family room, 3 bedrooms and 2 full baths. Lower level features a rec room w/ fireplace, large hallway, office, leisure room, workshop, utility room and a full bathroom. Convenient location nestled between Summit and Westfield. Many commuter options to NYC available including express bus (Mountainside) and train (Summit/Westfield). Local roadways like Route 22, I-78, Garden State Parkway, I-24, I-124, NJ Turnpike makes it easy to navigate to your destination. Short distance to Newark Liberty International Airport, local and county parks, lakes, shopping, restaurants, blue ribbon schools makes Mountainside a true "hidden gem". Also features a Generac whole house generator and a EV Charger inside the garage.

351 Old Tote Rd, Mountainside Boro

$950,000

3 Beds ⋅ 1.2 Baths ⋅ 4056617 MLS

Picture Perfect Split Level located on the infamous Halloween Alley. Don't miss the opportunity to live in this renovated, elegant, gem. The first level features a living room with bay window and wood burning fireplace, formal dining room and renovated granite kitchen with a peninsula and open to the huge trex deck. Gleaming hardwood floors and abundant closets throughout. The second level boasts a primary bedroom with renovated half bath, plus two additional bedrooms and a full renovated hall bath. A generous family room, a laundry and half bath are located on the ground level. A full unfinished basement with high ceilings, ready to be finished, complete this level. Plus an attached garage accessed from family room, complete with an EV Charger. Located on a spacious, level, professionally landscaped lot on a tranquil tree lined street, just moments to schools, shops, restaurants and NYC transportation. Fireplace, flue and chimney as is, no known issues. Fridge in basement, deck furniture and mounted wall tv included.

317 Old Tote Rd, Mountainside Boro

$859,000

3 Beds ⋅ 2.1 Baths ⋅ 4053953 MLS

Beautifully refreshed ranch with exceptional setting. Welcome to this inviting, seven room three bedroom two bath home, freshly painted with refinished hardwood floors. The spacious primary bedroom includes a private full bathroom and the finished basement adds flexible. Space. The home also features a large living room, formal dining room, Eden, kitchen, and a den with a fireplace. A two car attached garage ads convenience. The true highlight is the setting, backing up to both fields and playgrounds with easy access to a public walkway. Fresh, functional,, and well located this is a standout opportunity. Don't miss 293 Cherry Hill Rd..

293 Cherry Hill Rd, Mountainside Boro

$975,000

3 Beds ⋅ 2.1 Baths ⋅ 4053328 MLS

Welcome to this expansive split-level home offering exceptional space, versatility, hospitality and convenience in one of Union County's desirable communities. The main level features an updated kitchen with an open flow to the dining area and formal living room, beautiful hardwood floors and SS appliances w/ kitchen bar. This well maintained home features updated windows that bring in an abundance of natural light. The primary bedroom offers a private full bath and deep closets, while the additional bedrooms feature hardwood flooring beneath the existing rugs.The freshly painted ground level adds incredible flexibility with updated LVP flooring, a second kitchen, half bath, private secondary entrance off of driveway, and walk-out access to the fully fenced yard with expansive patio and outdoor kitchen set up. This level also provides access to a basement bonus room and laundry area, perfect for recreation, guests, office space, or extended living. A true highlight is the oversized 4-car garage with heater(as is) and both front and rear garage doors, offering exceptional space for vehicles, hobbies, equipment, or storage. Enjoy the privacy of the fully fenced yard and all this home has to offer. Ideally located just minutes from Summit Train Station, bus transportation, Route 22, Route 78, Route 24, the Garden State Parkway, and more, providing convenient access to commuting, shopping, dining, and surrounding communities.

336 Summit Rd, Mountainside Boro

$949,000

2 Beds ⋅ 3 Baths ⋅ 4051918 MLS

Discover this spacious 2-bedroom, 3-bathroom home with 2,378 sq ft on the main floor plus approximately 1,000 sq ft of finished basement space. The home features a renovated kitchen with granite countertops, updated cabinets, appliances, and tile flooring. A full-length attic offers exciting potential for additional bedrooms and a bathroom. The roof is approximately 10 years old, while the HVAC and water heater are less than 5 years old. Property sold AS-IS

456 Bayberry Ln, Mountainside Boro

$749,999

3 Beds ⋅ 1.1 Baths ⋅ 4050231 MLS

Welcome to 271 Summit Road, a 3 Bedroom, 1.5-Bath ranch set on a corner lot in Mountainside. The single-level layout offers easy, efficient living with Eat in Kitchen, Livingroom, Dining room, Enclosed Porch, Three Bedrooms and Bathroom. The unfinished basement with a 1/2 Bathroom is a blank canvas full of potential for a future rec room, home gym, office, or extra storage, giving the next owner room to make this home their own. Located in Mountainside, residents enjoy easy access to major highways and shopping

271 Summit Rd, Mountainside Boro

Start Your Search

The data displayed relating to real estate for sale comes in part from the IDX Program of Garden State Multiple Listing Service, L.L.C. Real estate listings held by other brokerage firms are marked as IDX Listing.
The information being provided is for the consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Information deemed reliable but not guaranteed.
Copyright 2026 Garden State Multiple Listing Service, L.L.C. All rights reserved.

Updated: