Mountainside Boro Homes for Sale

Welcome to Mountainside Boro, a hidden gem nestled in the heart of Union County, New Jersey. This picturesque town is renowned for its serene suburban charm, lush greenery, and stunning views of the Watchung Mountains. With a population of just over 6,000 residents, Mountainside offers a tight-knit community atmosphere while still being conveniently located near the bustling urban centers of New York City and Newark.

Mountainside Boro is an ideal place for families, young professionals, and retirees alike. The town boasts excellent schools, beautiful parks, and a variety of recreational activities that cater to all ages. Whether you enjoy hiking the scenic trails of the nearby Watchung Reservation, picnicking at the local parks, or exploring the quaint shops and eateries in the area, Mountainside has something for everyone.

For those considering a move to this charming community, you'll be pleased to discover a range of homes for sale that cater to diverse tastes and budgets. From cozy single-family homes with sprawling yards to modern townhouses and luxurious estates, there's a perfect abode waiting for you in Mountainside. Each property reflects the town’s unique character, often featuring beautiful landscaping and easy access to local amenities.

Don’t miss your opportunity to become part of this vibrant community. Explore the current homes for sale in Mountainside Boro and find your dream home today! With its blend of natural beauty, community spirit, and convenient location, Mountainside is more than just a place to live—it's a place to thrive.

Newest Mountainside Boro Homes for Sale

$1,275,000

4 Beds ⋅ 3 Baths ⋅ 4042369 MLS

Turn-key and beautifully updated, this expansive 4-bed, 3-bath home offers approx. 3,100SF of 1st and 2nd floor finished living space (plus additional finished basement area), on a level .36-acre property in the heart of Mountainside with expansive outdoor entertainment area & pool. The inviting layout is designed for daily living and high-end entertaining. The chef's kitchen features a Wolf range and paneled Sub-Zero refrigerator, flowing seamlessly into spacious living and dining rooms. A dramatic 26x24 great room enhanced by a vaulted ceiling and custom millwork, includes a refreshed dry bar, access to the outdoor living & adjacent oversized mudroom. A 1st-floor bedroom with an adjacent gut renovated (2021) full bath provides flexibility for guests or a home-office. Upstairs are 3 beds and 2 full baths, incl. a generous primary suite with Gas FP, walk-in-closet and en-suite bath. The finished basement adds recreation, storage and utility space. Outside, is true summer retreat: a fully fenced, level yard featuring an expansive deck, pergola, bar & a separately fenced 30,000-gallon heated concrete/gunite pool. Add'l highlights include a 2-car garage, 2-zone HVAC (2018), new water heater (2024), complete new roof and skylights (2026), updated windows and extensive custom trim. Ideally located near Deerfield School, a 2024 National Blue Ribbon School and hub for many community activities, with convenient access to Rt 22 NYC buses and nearby Summit & Westfield train stations.

356 Longview Dr, Mountainside Boro

$825,000

3 Beds ⋅ 2 Baths ⋅ 4042351 MLS

Welcome to this beautifully maintained 3-bedroom, 2-bath ranch home offering approximately 1,934 square feet of comfortable one-level living. The bright, inviting interior features generously sized rooms and a functional layout designed for easy everyday living and entertaining. The main level includes a spacious living room, formal dining room, well-appointed kitchen, comfortable bedrooms and flexible living spaces, all without the need to navigate multiple floors. Set on a level .30-acre property, the home also offers a sunroom, patio, expansive backyard, underground sprinklers, a two-car garage and ample driveway parking. The partially finished lower level includes a large laundry room, utility room, plenty of storage and offers potential for even more living space.. Mountainside is known for its strong sense of community with recreation, senior, youth and resident programs offered throughout the year. Deerfield School (grades 3-8) was recognized as a 2024 National Blue Ribbon School. Conveniently located near multiple NYC bus and rail commuting options, major highways, shopping, parks and the Watchung Reservation, this home combines comfort, convenience and an exceptional community setting.

217 Robin Hood Rd, Mountainside Boro

$1,195,000

3 Beds ⋅ 3 Baths ⋅ 4040749 MLS

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 Boro

$1,650,000

4 Beds ⋅ 3.1 Baths ⋅ 4040303 MLS

Distinctive 2003 Colonial with striking brick curb appeal, beautifully framed by mature landscaping and set on a private, resort-like property. The main level features hardwood floors, a spacious office/den, an elegant formal dining room, powder room, expansive eat-in kitchen and a light-filled family room with fireplace, all with surround sound speakers and overlooking the backyard. Upstairs, four bedrooms and two full baths include an impressive primary suite with a second fireplace, generous bath, walk-in closets and a separate sitting room offering flexible space for a home office or quiet retreat. The finished walk-out lower level adds exceptional versatility with a recreation room, full summer kitchen, full bath and abundant storage. Outdoor living is a true highlight, with an in-ground pool (2025 pool pump and liner), patio, pergola, pizza oven and storage shed surrounded by lush, established plantings. Additional features include a two-car garage, partial home generator, and full-property sprinkler system. Located within a level walk of 2023 National Blue Ribbon-designated Deerfield School (grades 3-8) and convenient to NYC bus service, Route 22, I-78, shopping, dining and neighboring Summit, Westfield and Berkeley Heights. Enjoy the warmth of Mountainside's small-town community with exceptional access to surrounding towns and major commuting routes.

1003 Charles St, Mountainside Boro

$1,825,000

5 Beds ⋅ 3.1 Baths ⋅ 4039351 MLS

Exceptional custom-built 2015 Colonial in desirable Mountainside, NJ, set on a generous 0.4-acre lot with a finished walk-out lower level, flexible guest space, and a beautifully designed multi-level backyard. A two-story foyer welcomes you in, with custom wainscoting and thoughtful details throughout. The expansive chef's kitchen features an oversized granite island, custom cabinetry, pantry, and seamless flow into the family room with a gas fireplace. A formal dining room with coffered ceilings and a private living room, currently used as a home office, complete the first floor. The backyard offers distinct areas for dining, entertaining, relaxing, and play, including a Trex deck, patio, fully fenced yard, and expansive lawn. Upstairs, the luxurious primary suite features a spa-inspired bath and generous walk-in closet, alongside spacious secondary bedrooms & the convenience of second-floor laundry. High ceilings, quality craftsmanship, and abundant natural light create a warm, welcoming atmosphere throughout. The newly completed 1,000 sq/ft walk-out lower level offers incredible flexibility w/ a private entrance, 9-foot ceilings, rec room, custom wet bar, full bath, guest bedroom, perfect for guest quarters, a private suite, or added living flexibility. Ideally located near Deerfield School, parks, shopping, downtown Westfield, and with a convenient under-1-hour commute to NYC, this home offers the perfect balance of suburban tranquility and commuter convenience.

1233 Poplar Ave, Mountainside Boro

$975,000

3 Beds ⋅ 2 Baths ⋅ 4039266 MLS

Welcome home to this lovely, meticulously maintained Mountainside Ranch, perfectly situated in a prime location just off Lawrence Avenue. Boasting excellent curb appeal and beautiful hardwood floors throughout, this sun-drenched home features a formal living room, an elegant dining room, a cozy den, and a beautifully upgraded eat-in kitchen. The effortless single-floor living layout includes 3 spacious bedrooms, highlighted by a primary bedroom with a private full bath, plus an additional upgraded full hall bath.Step through the elegant French doors to your own private oasis: a stunning, two-tiered deck overlooking a lush, private backyard perfect for outdoor dining and entertaining. Downstairs, an incredibly spacious basement offers endless possibilities for a rec room or gym, alongside a dedicated utility and laundry area. Complete with a Generac whole house generator, and an attached 2-car garage with a Tesla Car Charger. Top-tier Mountainside schools (Beechwood/Deerfield) and Governor Livingston High School. Best of all, you are just minutes from the NYC bus and the vibrant downtowns of both Mountainside and Westfield. Turn-key and ready for you to move right in!

1591 Brookside Rd, Mountainside Boro

$799,999

4 Beds ⋅ 2.1 Baths ⋅ 4038725 MLS

SET IN ONE OF MOUNTAINSIDE'S MOST DESIRABLE NEIGHBORHOODS, THIS SPACIOUS 4-BEDROOM, 2.5-BATH COLONIAL PRESENTS A WONDERFUL OPPORTUNITY TO RENOVATE THE EXISTING HOME OR BUILD YOUR DREAM HOME. The first floor offers a welcoming living room, formal dining room, eat-in kitchen, comfortable den, first-floor laundry room, and powder room. Upstairs features four generously sized bedrooms, including a primary suite with a private bath, plus an additional full bath. An unfinished basement provides abundant storage, while the attached two-car garage adds everyday convenience. Hardwood floors beneath the existing carpeting, offering an excellent opportunity to restore their original beauty. Ideally located near parks, shopping, dining, major highways, and NJ Transit bus and rail service for an easy commute, this home offers easy access to everything Mountainside has to offer, including nearby Watchung Reservation and Echo Lake Park. Enjoy highly rated schools and all the benefits of living in one of Union County's most sought-after communities. HOME IS BEING SOLD STRICTLY AS IS. SELLER WILL MAKE NO REPAIRS OR CREDITS. HOME INSPECTIONS ARE FOR INFORMATIONAL PURPOSES ONLY. ****HIGHEST AND BEST OFFERS DUE TUESDAY, JULY 21 AT 6PM****.

378 FOREST HILL WAY, Mountainside Boro

$775,000

3 Beds ⋅ 3 Baths ⋅ 4038162 MLS

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 Boro

$1,250,000

4 Beds ⋅ 3.1 Baths ⋅ 4038131 MLS

Completely reimagined from the inside out, this exceptional luxury ranch offers sophisticated one-level living on a beautiful private property. A true full-gut renovation transformed virtually every major component, blending the quality and feel of new construction with the charm of an established neighborhood. The open-concept floor plan is highlighted by soaring ceilings, abundant natural light, hardwood floors, designer lighting, and exquisite custom finishes throughout. The stunning chef's kitchen features custom cabinetry, premium countertops, high-end appliances, an oversized center island, and opens seamlessly to expansive living and dining spaces, as well as a spectacular vaulted family room overlooking the private grounds. Three beautifully renovated full baths, custom walk-in closets, updated windows, doors, trim, insulation, drywall, HVAC, plumbing, electrical, water heaters, and a whole-house Generac generator provide exceptional peace of mind. The finished lower level offers outstanding flexibility with a kitchenette, bedroom, full bath, and generous recreation space. Complete with a two-car garage, professionally landscaped grounds, paver hardscaping, and meticulous attention to detail, this truly turnkey home is ready to enjoy.

1459 Dunn Pkwy, Mountainside Boro

$825,000

3 Beds ⋅ 2 Baths ⋅ 4037150 MLS

Step into this beautifully maintained 3-bedroom, 2-bath ranch featuring a vaulted living room with a dramatic stone accent wall, fireplace, large picture window, and Bermuda shutters. The soaring ceiling creates a bright, open, and airy feel that enhances the home's modern appeal. The updated white kitchen is equipped with stainless steel appliances, abundant cabinetry, and a peninsula with seating, perfect for casual meals and entertaining. A separate formal dining room offers an ideal space for hosting. Three generously sized bedrooms are complemented by a spacious bath featuring a soaking tub, creating a spa-like retreat. An attached oversized garage provides added convenience and flexibility. The fully-finished basement significantly expands the living space with a large recreation area, abundant storage, and a versatile bonus room that can serve as a home office, guest room, gym, or hobby space. Walkout stairs provide direct access to the backyard. Outside, enjoy your own private oasis complete with a patio, pergola, shed, lush lawn, and mature landscaping. Whether you're entertaining guests or simply unwinding after a long day, this inviting outdoor space offers the perfect setting to relax and enjoy.

1399 Birch Hill Rd, Mountainside Boro

$849,999

3 Beds ⋅ 2 Baths ⋅ 4036875 MLS

Nestled on a quiet cul-de-sac at the foot of Watchung Reservation in one of Mountainside's most desirable neighborhoods, this meticulously maintained 3BR/2BA ranch has been lovingly cared for by its longtime owners since 1996. Offering privacy, natural beauty & everyday convenience, the home is surrounded by mature landscaping & tucked away from neighboring properties, creating a backyard oasis that feels like a private retreat. The outdoor space is a true standout, featuring beautiful stone patio areas, retaining walls & a thoughtful tiered design that transformed the hillside setting into inviting, usable outdoor spaces, complemented by carefully selected plantings.Inside, this charming home offers comfortable one-floor living with spacious BRs & 2 full BAs, both in exceptional condition. The full bsmt provides excellent storage & add'l living space, ideal for a home gym, media room, or rec area. The ground-level, temp-controlled 2-car garage connects through the bsmt & offers walk-out access to the large driveway, adding everyday functionality & ease.The home also includes valuable updates such as 200-amp electric, manual generator hookup, 9-zone irrigation system, newer AC condenser, new HWH & kitchen water filtration system. Beyond the home, Mountainside is known for its highly regarded schools, welcoming community & excellent accessibility, with convenient access to major highways, nearby NJ Transit stations & direct routes to NYC.

350 Greenbrier Ct, Mountainside Boro

$635,000

3 Beds ⋅ 1 Baths ⋅ 4036703 MLS

For years, I've been more than four walls and a roof, I've been a gathering place where laughter echoed through the rooms, holidays were celebrated, and ordinary days became cherished memories. Come inside and let me show you around! My enclosed front porch, wrapped in windows and filled with natural sunlight, welcomes every season beautifully. Step into my inviting living room, where a gas fireplace creates a warm atmosphere. Just beyond, you'll find a dining room made for sharing meals and conversations, leading into my eat-in kitchen, where morning coffee, game nights, and everyday meals became the moments that mattered most. Off the dining room, a covered deck overlooks my backyard, where cardinals are frequent visitors & birdsong fills the air. Upstairs, I offer three comfortable bedrooms and a full bath, along with generous hallway closet space to keep life organized. Downstairs, my finished recreation room provides additional living space for movies, hobbies, or play, while the laundry room and utility workshop add practicality, flexibility, and convenience. My driveway accommodates 3-4 vehicles, and my location places you near major highways, commuting routes, Echo Lake Park, and the shops and restaurants of downtown Mountainside. Life here is about enjoying the simple pleasures, a morning walk through the park, neighbors who become friends, and the convenience of having everything you need nearby. I'm ready for my next chapter. Perhaps it begins with you. Welcome!

587 Woodland Ave, Mountainside Boro

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