Middlesex County Homes with Duplex-Side By Side Style

Middlesex County Homes with Duplex-Side By Side Style

Welcome to Middlesex County, New Jersey, a vibrant and diverse community that perfectly blends suburban charm with urban convenience. Nestled in the heart of the Garden State, Middlesex County is known for its rich history, excellent educational institutions, and a plethora of recreational activities. With its strategic location, residents enjoy easy access to major highways, public transportation, and a short commute to New York City, making it an ideal place for both families and professionals alike.

One of the most appealing housing options in Middlesex County is the duplex-side by side style homes. These unique residences offer the perfect combination of comfort and convenience, providing ample living space while fostering a sense of community. The duplex design allows for two separate living units, making it an excellent choice for multi-generational families, investors, or those looking to offset mortgage costs with rental income.

Inside these homes, you’ll find spacious layouts that typically feature cozy living areas, modern kitchens, and private outdoor spaces, perfect for entertaining or enjoying a quiet evening. The side-by-side configuration ensures privacy while still promoting neighborly connections. Additionally, many of these homes are situated in friendly neighborhoods that boast parks, shops, and schools, enhancing the overall quality of life.

Whether you're searching for a place to call home or an investment opportunity, Middlesex County’s duplex-side by side homes offer a unique blend of affordability, community, and convenience. Discover the charm of this thriving county and see why so many choose to make it their home!

Newest Middlesex County Homes with Duplex-Side By Side Style

63 diamond spring Drive, Monroe NJ 08831, 1212 - Monroe
$619,900
3 Beds ⋅ 3 Baths ⋅ 2706931R MLS
Sophisticated style, effortless comfort & an exceptional open layout come together in this impeccably maintained (Original Owner) desirable Concord II model in Stonebridge's sought-after 55+ community. Only 11 years old, 3-bedroom, 3-full bath Duplex, This home is truly move-in ready. The airy living and dining areas flow seamlessly into a like-new kitchen appointed with granite countertops, top-of-the-line cabinetry, pull-out drawers, soft-close drawers, dovetail construction, stainless steel appliances & Instant-hot, the living room has soaring vaulted ceilings, recessed lighting, custom ceiling fan & Sliders to a large paver patio, The first-floor primary suite offers 2 walk-in closets, an upgraded full bath featuring a low-entry-easy-care over-sized Bath Fitter shower + relaxing jetted soaking tub. A second bedroom w/adjacent & convenient full bath complete the main level. You Will Love the Upper Level featuring a private third bedroom, full bath, Walk-n-Closet, spacious loft (26x12) & custom-built oversized storage closet (11x7) this 2nd level provides flexible private space for guests or care givers. Relax on the attractive paver patio, complete with a built-in gas line and High-End Lynx Gas grill. Thoughtful upgrades include a redesigned no-step paver walk-way front entry, Hunter Douglas custom blinds throughout, high-end lighting + Lalique crystal Foyer & attached garage w/additional storage shelves. Enjoy the state-of-the-art clubhouse and all this exceptional home has to offer. You will Love it - Just Move Right-in...

63 diamond spring Drive, Monroe NJ 08831, 1212 - Monroe
118 Starlight Drive, Monroe NJ 08831, 1212 - Monroe
$709,900
3 Beds ⋅ 3 Baths ⋅ 2706777R MLS
Stunning and better than new, this well appointed sunny and bright Beacon model at The Venue at Monroe-(6 years old!!!) with excellent location, extra parking and views, features 3 bedrooms and 3 Baths. Newer Luxury Vinyl Plank flooring on first floor, Custom built ins in first floor den/bedroom with large closet, laundry room with additional refrigerator for your entertaining ease and organized pantry. You will love the Custom window shades chosen in a neutral palette to enhance the home. Kitchen features custom designed cabinets with sliding drawers and charming coffee bar. Enjoy the living room with gas fireplace with heat fan, custom designer slat wall, and entrance to the paver stone patio with retaining wall for your summer enjoyment! Primary bedroom and bath feature new tile and heated floor, large owners closet with California Closet upgrade. Upstairs you will find ample loft area, bedroom, bath and enormous storage room. Garage features electric car charger. Home is freshly painted in neutral hues. Enjoy state of the art amenities and welcoming clubhouse with planned activities, indoor pool and fitness center and state of the art Pickleball courts and trails!

118 Starlight Drive, Monroe NJ 08831, 1212 - Monroe
2-A John Adams Court, Monroe NJ 08831, 1212 - Monroe
$434,900
2 Beds ⋅ 2 Baths ⋅ 2706768R MLS
Welcome to this beautifully maintained ranch-style home in the Concordia community in Monroe Township! Featuring 2 bedrooms, 2 full baths, 2 bonus rooms, and an attached 1-car garage, this home offers comfortable living. The living and dining areas feature an electric fireplace (2021), while the sitting area opens to a private concrete patio through a custom vinyl sliding door (2017). The renovated kitchen (2025) boasts soft-close cabinets, roll-out drawers, quartz countertops, and an updated sink, faucet, and garbage disposal, plus a French-door refrigerator, electric range, and over-the-range microwave. The primary bath and laundry room were renovated (2021), and the hallway bath was updated (2023), featuring custom tilework and showers with glass enclosures. Additional improvements include new washer supply valves and hoses (2018) and garage door servicing (2024). Enjoy an in-ground sprinkler system, security system, laundry utility sink, and garage storage. Concordia amenities include a clubhouse, golf course, pickleball and tennis courts, and jog/bike paths, with security guards on site. Convenient to shopping, dining, medical facilities, Jamesburg, Cranbury, and NJ Turnpike Exit 8A.

2-A John Adams Court, Monroe NJ 08831, 1212 - Monroe
14 Somerset Street, Carteret NJ 07008, 1201 - Carteret
$479,999
3 Beds ⋅ 3 Baths ⋅ 2706419R MLS
Welcome to this beautiful duplex in Carteret, built in 2005! This home features 3 spacious bedrooms, 3 bathrooms, a living room, dining room, and an attached garage with a private driveway for additional parking. Enjoy a fully fenced backyard, perfect for entertaining or relaxing. Conveniently located near bus stops, shopping, schools, and major highways. Don't miss this great opportunity to make this home yours!

14 Somerset Street, Carteret NJ 07008, 1201 - Carteret
806 Kenneth Avenue # 1, South Plainfield NJ 07080, 1222 - South Plainfield
$599,900
3 Beds ⋅ 3 Baths ⋅ 2770722M MLS
Welcome to this beautiful unit back on market! Featuring 3-bedroom, 3 full bath luxury 1/2 Duplex in the highly sought-after section of South Plainfield. Offering abundant natural light, and thoughtfully designed living space, this home features three full baths, 2 driveway spaces, an attached 1-car garage, and the perfect blend of style, comfort, and convenience. The open-concept main level features durable hard-surface flooring, , living and dining area, and a designer kitchen complete with quartz countertops, pantry, and ample cabinetry ideal for both everyday living and entertaining. Upstairs, three bedrooms and two full baths. provide flexibility for family, guests, or a home office. The backyard is fully fenced with a deck of the kitchen. The partially finished basement provides valuable additional living space, perfect for a recreation room, fitness area, media room, or workspace to suit your needs. Ideally located just minutes from shopping, dining, parks, major highways, and everyday conveniences, the community also offers the opportunity to enjoy nearby recreational amenities, including a community pool available through a separate membership. This move-in-ready side unit combines quality craftsmanship, modern finishes, and an exceptional location. Don't miss your opportunity to make this stunning home your own.

806 Kenneth Avenue # 1, South Plainfield NJ 07080, 1222 - South Plainfield
42 Yorkshire Drive # B, Monroe NJ 08831, 1212 - Monroe
$479,900
2 Beds ⋅ 2 Baths ⋅ 2705570R MLS
Come see this Gorgeous Diamond sitting on the 18Th Green of the Concordia golf course! This elegantly, fully renovated 2-bedroom, 2-bath home w/den, Paver Patio, & a 1-car garage is waiting for you. This home offers high end finishes, an open concept, & a move-in-ready interior w/ a bright and inviting feel. Easy to keep Luxury Vinyl Planking throughout. The renovated kitchen has gleaming quartz counters, SS Appliances & Under counter lighting. Both baths boast Porcelain Tile & Marble topped-wood vanities. Comfortable & spacious bedrooms. One of the true highlights is the golf course setting. Imagine relaxing on your patio, while enjoying the peaceful views. It's a location that combines privacy, scenery, and the country club lifestyle. Lots of amenities, clubs, & much more!

42 Yorkshire Drive # B, Monroe NJ 08831, 1212 - Monroe
1 Fairview Avenue, Edison NJ 08817, 1205 - Edison
$3,000
3 Beds ⋅ 2 Baths ⋅ 2704928R MLS
description to follow

1 Fairview Avenue, Edison NJ 08817, 1205 - Edison
133 Summerhill Road, Spotswood NJ 08884, 1224 - Spotswood
$675,000
4 Beds ⋅ 4 Baths ⋅ 2703319R MLS
Welcome to 133 Summerhill Rd, Spotswood, NJ! This move-in ready 4-bedroom, 3.5-bathroom home offers a flexible floor plan with two separate entrances and two full kitchens, providing exceptional versatility for extended family, guests, or a variety of living arrangements. The home features central air conditioning, spacious living areas, and a functional layout designed for everyday comfort. Outside, you'll find a huge driveway with ample parking and an expansive backyard perfect for entertaining, relaxing, or creating your own outdoor oasis. A standout feature is the detached guest house, complete with its own HVAC system and electricity, making it ideal for a home office, studio, gym, recreation space, or additional guest accommodations. Conveniently located just minutes from Spotswood High School, NJ Transit train stations, shopping, restaurants, parks, and major highways, this home offers the perfect combination of comfort and convenience. Don't miss this unique opportunity to own a spacious and versatile home in one of Spotswood's most desirable locations. Schedule your private showing today!

133 Summerhill Road, Spotswood NJ 08884, 1224 - Spotswood
201-203 First Street, Middlesex NJ 08846, Middlesex
$599,000
2 Beds ⋅ 1 Baths ⋅ 2700579R MLS
This single family - duplex home is located in the heart of Middlesex Boro. Each side offers 2 bedrooms and 1 full bathroom on the upper level. The main level offers a living and dining room combo and kitchen. There is access to the backyard through the kitchen. The yard is very spacious and level. The full unfinished basement houses the laundry and utilities. This home offers a great investment opportunity to own and rental income source. This home is in a flood zone.

201-203 First Street, Middlesex NJ 08846, Middlesex
564-A Old Nassau Road, Monroe NJ 08831, 1212 - Monroe
$359,000
2 Beds ⋅ 2 Baths ⋅ 2617141R MLS
Welcome to Rossmoor's desirable 55+ adult community in Monroe, NJ! This well maintained Virginia 2 model offers approximately 1,500 sq ft of comfortable living space featuring 2 spacious bedrooms, 2 full baths, an eat-in kitchen, enclosed sun room, and attached one-car garage. The home has been thoughtfully maintained with a newer central A/C system and brand new roof for added peace of mind. Enjoy low maintenance living with HOA fees that include exterior maintenance, snow removal, water, sewer, trash collection, cable TV, parking, clubhouse, fitness center, and community pool. Rossmoor offers lifestyle conveniently located near shopping, dining, major roadways, and transportation. Don't miss this opportunity to own one of the larger ranch models in this sought-after gated community!

564-A Old Nassau Road, Monroe NJ 08831, 1212 - Monroe
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:


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!