1 Bedroom Apartments for Rent in Mountainside, NJ (67 Rentals)

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Don't Settle: How to Negotiate Your Apartment Lease and Save Money

Discover the insider tips from an attorney and real estate agent on how to negotiate your next apartment lease. Find out what's on the table and what's not, so you can save money and get the best terms possible.

The Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro

Moving is tough, especially long-distance. Learn how to minimize stress & expenses with proven strategies from a real estate pro, covering everything from logistics to finances.

property at 516 North Ave

516 North Ave

WestfieldNJ07090

Cash or credit? Understanding the Importance of Credit Score in Real Estate and Renting

Discover how your credit score impacts your ability to lease or buy a home. Learn how credit scores are determined, how to check yours, and strategies to improve it for real estate success.

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Carlton Towers
1 Bedroom Apartments

Carlton Towers

503 Carleton RdWestfield, NJ 07090
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112 Prospect St
1 Bedroom Apartments

112 Prospect St

112 Prospect StWestfield, NJ 07090
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Carina Court
1 Bedroom Apartments

Carina Court

627 S Springfield AveSpringfield, NJ 07081
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60-66 Elm St
1 Bedroom Apartments

60-66 Elm St

60-66 Elm StWestfield, NJ 07090
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Skyline Ridge
1 Bedroom Apartments

Skyline Ridge

100 Wilson RdSpringfield, NJ 07081
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Beechwood at Summit
1 Bedroom Apartments

Beechwood at Summit

43 Woodland AveSummit, NJ 07901
  • Utilities Included

The Art of the Rental Viewing: What to look for during a property tour

Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.

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Kent Court
1 Bedroom Apartments

Kent Court

15 Norwood AveSummit, NJ 07901
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529 Park Ave
1 Bedroom Apartments

529 Park Ave

529 Park AveScotch Plains, NJ 07076
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19-21 Sayre St
1 Bedroom Apartments

19-21 Sayre St

19-21 Sayre StSummit, NJ 07901
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Westfield Arms
1 Bedroom Apartments

Westfield Arms

264 Prospect StWestfield, NJ 07090
  • Utilities Included
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2 Beauvoir Ave
1 Bedroom Apartments

2 Beauvoir Ave

2 Beauvoir AveSummit, NJ 07901
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410 Rahway Ave
1 Bedroom Apartments

410 Rahway Ave

410 Rahway AveWestfield, NJ 07090
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900 South Ave W
1 Bedroom Apartments

900 South Ave W

900 South Ave WWestfield, NJ 07090

Smart Renter's Guide: Calculating Affordable Rent & Housing Costs

Wondering how to determine your rental budget? This comprehensive guide covers everything from the 30% rule to hidden fees and effective budgeting strategies.

Mountainside, NJ Local Guide

Largest Available Mountainside and Nearby 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in Mountainside, NJ is found at Parkside at Westfield in the Wychwood neighborhood and is 985 square feet priced from $3,445. Westfield Crossing has the second largest 1 Bedroom, which is sized at 971 square feet and currently listed start at $3,300. Here is today’s list of the largest available 1 Bedroom units in Mountainside:

Apartment ListingModel NameSquare FootagePriced From
Parkside at Westfield$3.42/sq.ft. - One Bedroom985 Sq Ft$3,445
Westfield Crossing1 Bed/ 1 Bath w/ Den971 Sq Ft$3,300
Westfield Hamilton House, LLC1 Bedroom/1 Bath912 Sq Ft$2,470
The Parc at SummitLarge 1 Bedroom Renovated890 Sq Ft$2,700
SoHo at Fanwood StationOne Bedroom with Den820 Sq Ft$2,538
Vermella Garwood StationA7803 Sq Ft$2,876
One Lincoln Plaza1 Bed 1 Bath786 Sq Ft$2,800
Spring Gardens1 LARGE BD750 Sq Ft$2,050

Cheapest Available Mountainside and Nearby 1 Bedroom Apartments

As of October 11, 2025 the lowest priced 1 Bedroom apartment unit in Mountainside, NJ is the 1 BD Model starting from $1,700 at Spring Gardens in the Benders Corner neighborhood. The second most affordable Mountainside 1 Bedroom is the 1 Bedroom III Model at Garwood Gardens Apartments starting at $1,759 in the Wychwood neighborhood. The average price for all 1 Bedroom apartments in Mountainside is currently $2,464. Here is today’s list of the cheapest available 1 Bedroom options in Mountainside:

Apartment ListingModel NamePriced From
Spring Gardens1 BD$1,700
Garwood Gardens Apartments1 Bedroom III$1,759
Murray Hill Gardens: Your Perfect Home Awaits!1BR/1.0BA$2,000
Mountainview Gardens$3.06/sq.ft. - One Bedroom$2,145
Summit Opera HouseOne Bedroom$2,250
SoHo at Fanwood StationOne Bedroom$2,308
Manley CourtOne Bedroom$2,370
Westfield Hamilton House, LLC1 Bedroom/1 Bath$2,470
Cranford Crossing Apartment HomesOne Bedroom- 738 sqft$2,590

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Remember the 3 Rules of Real Estate:
Location, Location, Location!

Explore Mountainside, NJ Rentals by Map

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Getting Around Mountainside, NJ

Walk Score®

47 / 100

Car-Dependent

Most errands require a car

Bike Score®

47 / 100

Somewhat Bikeable

Minimal bike infrastructure

Transit Score®

1 / 100

Minimal Transit

It may be possible to get on a bus

Frequently Asked Questions about 1 Bedroom Mountainside Apartments

How much is the average rent for a 1 Bedroom Mountainside Apartment?

The average rent for a 1 Bedroom Apartment in Mountainside is $2,464.

What is the largest available 1 Bedroom Mountainside Apartment for rent?

Today's apartment with the most square footage in Mountainside is a 985 square feet unit starting from $3,445 at Parkside at Westfield.

What is the average size for Mountainside 1 Bedroom Apartments for rent?

The average size for a 1 Bedroom rental in Mountainside is currently 500 sq ft.

Expert Rental Resources

Helpful Apartment Articles, How-To's and Tips

The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.

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How to Negotiate Your Apartment Lease and Save Money

Written by: Christine Leonard, Esq.

Everything is a negotiation in real estate! 

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The Rental Move-In Inspection Checklist: A Guide for Renters

Written by: Trey Huguley

The move-in inspection checklist is a crucial tool for both tenants and landlords. This checklist, provided by the team at ApartmentHomeLiving.com, helps document the condition of an apartment at the time of move-in.

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Your Guide to Co-Signers: The Risks, Rewards, and Everything in Between

Written by: Christine Leonard, Esq.

For many people, obstacles can arise during the rental application process for a variety of issues.

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The Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro

Written by: Christine Leonard, Esq.

Hard truth. Moving is never easy. I’ve done it all – from local moves to cross-country relocations From packing to unpacking the last box, I have found moving to be an exhausting, expensive and stressful experience every time.