1 Bedroom Apartments for Rent in Mountainside, NJ (69 Rentals)

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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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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.

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Navigating the Rental Market: Tips for First-Time Renters

Entering the rental market? Learn these simple tips and strategies to avoid common pitfalls and make confident choices. Rent with peace of mind.

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property at 516 North Ave

$3,650 - $5,550

1 Bedroom Rentals

Available Now

516 North Ave

WestfieldNJ07090
property at 71 Broad St

$2,150 - $5,350

1 Bedroom Rentals

Available Now

71 Broad St

SummitNJ07901
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112 Prospect St
1 Bedroom Apartments

112 Prospect St

112 Prospect StWestfield, NJ 07090
  • Utilities Included
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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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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
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57 Park Ave
1 Bedroom Apartments

57 Park Ave

57 Park AveSummit, NJ 07901
  • Smoke Free
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627 Westfield
1 Bedroom Apartments

627 Westfield

627 WestfieldWestfield, NJ 07090
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29 Walnut St
1 Bedroom Apartments

29 Walnut St

29 Walnut StSummit, NJ 07901
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527 Willow Ave
1 Bedroom Apartments

527 Willow Ave

527 Willow AveGarwood, NJ 07027
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614 Willow Ave
1 Bedroom Apartments

614 Willow Ave

614 Willow AveGarwood, NJ 07027
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662 Willow Ave
1 Bedroom Apartments

662 Willow Ave

662 Willow AveGarwood, NJ 07027
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12 Walnut St
1 Bedroom Apartments

12 Walnut St

12 Walnut StSummit, NJ 07901
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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 The Franklin at Westfield in the Wychwood neighborhood and is 1,011 square feet priced from $3,650. Summit Hill in the South Mountain neighborhood has the second largest 1 Bedroom, which is sized at 999 square feet and currently listed start at $2,495. Here is today’s list of the largest available 1 Bedroom units in Mountainside:

Apartment ListingModel NameSquare FootagePriced From
The Franklin at Westfield1 Bed / 1.5 Bath / Den1,011 Sq Ft$3,650
Summit HillOne Bed One Bath999 Sq Ft$2,495
Westfield Crossing1 Bed/ 1 Bath w/ Den971 Sq Ft$3,300
Soho at Fanwood StationOne Bedroom One Bathroom with Den 970 Square Feet970 Sq Ft$2,723
Westfield Hamilton House, LLC1 Bedroom/1 Bath912 Sq Ft$2,480
Scotch Plains Crossing1 Bed 1 Bath814 Sq Ft$2,700
Vermella Garwood StationA2772 Sq Ft$2,904

Cheapest Available Mountainside and Nearby 1 Bedroom Apartments

As of January 11, 2026 the lowest priced 1 Bedroom apartment unit in Mountainside, NJ is the One Bedroom - 600 sqft Model starting from $1,975 at Duncan Hill Apartment Homes in the Wychwood neighborhood. The second most affordable Mountainside 1 Bedroom is the 1BR/1.0BA Model at Murray Hill Gardens: Your Perfect Home Awaits! starting at $2,000 in the Benders Corner neighborhood. The average price for all 1 Bedroom apartments in Mountainside is currently $2,584. Here is today’s list of the cheapest available 1 Bedroom options in Mountainside:

Apartment ListingModel NamePriced From
Duncan Hill Apartment HomesOne Bedroom - 600 sqft$1,975
Murray Hill Gardens: Your Perfect Home Awaits!1BR/1.0BA$2,000
Mountainview Gardens$3.12/sq.ft. - One Bedroom$2,185
333 CentralA1 | 1 Bed | 1 Bath$2,200
Westfield Hamilton House, LLC1 Bedroom/1 Bath$2,480
Summit HillOne Bed One Bath$2,495
New England VillageBonnell SPECIALS AVAILABLE FOR QUICK MOVE IN$2,550
Soho at Fanwood StationOne Bedroom One Bathroom with Den 942 Square Feet$2,677

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.

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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.

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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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Quick Rent Budget Calculator

How much rent can you afford?

The common "Rule of Thumb" is that rent should be no more than 30% of your income. How much is that? Enter your monthly income and click "Calculate My Budget" to find out.

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

Explore Mountainside, NJ Rentals by Map

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See the most popular apartments and homes in Mountainside, NJ

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Mountainside, NJ Apartments Map
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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 $2,584.

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

Today's apartment with the most square footage in Mountainside is a 1,011 square feet unit starting from $3,650 at The Franklin 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 0 sq ft.

Expert Rental Resources

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.

Articles, How-To's, and Tips

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A Renters Guide for Tips on Writing Your Notice for Not Renewing Your Apartment

Written by: Bob Mallory

Packing up everything you own to move is so stressful for many that ending your apartment lease can feel like a small or unimportant task. Ending your lease involves more than simply turning over your keys on the last day.

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Renting with Roommates: Realistic Expectations for Shared Lease

Written by: Christine Leonard, Esq.

Given the high costs for housing, I have found that many people are looking for a roommate to share expenses. These arrangements can increase opportunities for more desirable and larger spaces.

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Apartment Common Area Rules: What Renters Need to Know

Written by: Christine Leonard, Esq.

Back in the day when I rented one of my first apartments, the property didn’t even have laundry in the building. Now, rental properties are often competing against each other to provide the best amenities.

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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!