Refine Search
Sort by
1283 Poplar Ave, Mountainside Boro
$1,799,000
6 Beds ⋅ 5.1 Baths ⋅ 4063987 MLS
New construction in 2026, this beautifully designed Colonial offers an exceptional blend of modern luxury and space for everyday living and entertaining. A welcoming two-story foyer introduces elegant millwork, hardwood floors, and a flowing main level where the expansive family room, complete with a fireplace and coffered ceiling, opens to a showstopping kitchen with an oversized waterfall island, premium appliances, and generous space for gathering. A dining area, bedroom with a full bath, and additional powder room complete the first floor. Upstairs, the spacious primary suite offers a private retreat with a custom walk-in closet and spa-inspired bath featuring a soaking tub and oversized shower. Three additional bedrooms offer comfortable accommodations, including two connected by a Jack-and-Jill bath and a third with its own private en-suite, complemented by the convenience of second-floor laundry. The finished walkout basement extends the living space with a large recreation area, den, bedroom, and full bath. Outside, enjoy a raised deck overlooking the expansive backyard, a lower-level patio, an attached garage, and a generous driveway. Conveniently located in Mountainside near Route 22, Echo Lake Park, Watchung Reservation, and shopping and dining in neighboring Westfield.

1283 Poplar Ave, Mountainside Boro

355 Ackerman St, Mountainside Boro
$1,690,000
5 Beds ⋅ 3 Baths ⋅ 4057460 MLS
Set on nearly half an acre with a private wooded backdrop, steps from Watchung Reservation, this extensively rebuilt custom home offers soaring ceilings, abundant natural light & picturesque views. This approx. 4,063 sq ft home showcases the craftsmanship & attention to detail of Heubach Builders. Natural light pours into the vaulted great room with a gas fireplace & custom built-ins. The designer kitchen features an expansive island, Thermador appliances & premium finishes. Off the dining area, a 364 sq ft TimberTech deck overlooks the yard and mature trees. Privately situated, the primary suite features vaulted ceilings, wooded views, 2 walk in closets and a spa-like bath with separate water closet, and makeup vanity. 3 additional bedrooms and main-level laundry support easy one-floor living, while custom closet systems throughout maximize storage. An expansive lower level offers flexible living space for guests, entertaining, or an in-law suite. This includes a family room with yard access, full bath, 5th bedroom, office or 6th bed, 2nd laundry room, finished storage room, and mud room. Finally, a fully finished, natural light filled 20x20 flex space, adds even more versatility. New HVAC, electric, plumbing & Andersen windows. Near parks, shopping & NYC transit. $30,000 BUYER INCENTIVE! Seller is offering a $30K credit toward yard improvements, a 2-1 mortgage rate buydown, or other eligible expenses, subject to lender approval & applicable lending guidelines.

355 Ackerman St, Mountainside Boro

1137 Saddlebrook Rd, Mountainside Boro
$1,099,000
3 Beds ⋅ 3 Baths ⋅ 4064202 MLS
A rare connection to nature on over one-third acre in a quiet cul-de-sac adjacent to the Watchung Reservation. This beautifully updated home offers wooded views from every window and a private retreat-like setting just minutes from Summit train service to NYC. The open floor plan is filled with natural light and features a renovated kitchen with stainless pro appliances, including a Bertazzoni range and separate wall oven. Energy-efficient upgrades include a new roof, owned solar panels, EV charging station, generator hookup, whole-house water filtration system, and smart home controls for garage door, locks, sprinkler system, and thermostat.. The primary suite offers a walk-in closet and spa-inspired bath with double sinks, rainfall shower, body jets & jetted tub. A flexible ground-level suite with full bath, walk-in shower, and fireplace is ideal for guests, extended living, home office, or potential in-law use. A three-season porch seamlessly connects indoor and outdoor living. The backyard sanctuary features a koi pond with waterfall and water lilies, expansive deck, patio, outdoor kitchen, perennial gardens and fruit trees. Direct access to Watchung Reservation trails, fishing areas, and Watchung Riding Stables provides unparalleled outdoor recreation right from your doorstep. Complete with a two-car garage, exceptional privacy, modern efficiency, and a premier commuter location, this home offers the perfect balance of nature, comfort, and convenience.

1137 Saddlebrook Rd, Mountainside Boro

1495 Fox Trail, Mountainside Boro
$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

317 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

351 Old Tote Rd, 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

917 Mountain Avenue, Mountainside Boro
$3,600
4046670 MLS
pacious and freshly updated combined office space at 917 Mountain Avenue in Mountainside. Located in a building constructed in 1985, Suites 1 and 2 offer approximately 2,328 square feet with six private offices, two conference and reception areas, a kitchenette, lobby, two private bathrooms, storage and new flooring throughout. The flexible layout is ideal for a variety of professional uses and includes ample onsite parking. Conveniently located with easy access to major highways, nearby businesses and surrounding communities.Room dimensions include:Office 1, 10'8" x 14'11"Office 2, 10'8" x 8'11"Office 3, 12'1" x 14'1"Office 4, 9'5" x 10'2"Office 5, 11'4" x 21'0"Office 6, 11'4" x 17'4"Conference and reception area 1, 9'10" x 28'2"Conference and reception area 2, 15'5" x 13'3"Kitchenette, 8'8" x 15'3"Lobby, 15'11" x 6'7"Storage closet, 15'11" x 6'2"

917 Mountain Avenue, Mountainside Boro

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:


The data relating to real estate for sale on this web-site comes in part from the Internet Listing Display database of the CENTRAL JERSEY MULTIPLE LISTING SYSTEM, INC. Real estate listings held by brokerage firms other than this site-owner are marked with the ILD logo. The CENTRAL JERSEY MULTIPLE LISTING SYSTEM, INC does not warrant the accuracy, quality, reliability, suitability, completeness, usefulness or effectiveness of any information provided. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify properties the consumer may be interested in purchasing or renting.
Copyright 2026, CENTRAL JERSEY MULTIPLE LISTING SYSTEM, INC. All rights reserved.The CENTRAL JERSEY MULTIPLE LISTING SYSTEM, INC retains all rights, title and interest in and to its trademarks, service marks and copyrighted material.

How much is your home worth?

Get instant property value now!