3 Bedroom Apartments for Rent in Mountainside, NJ (47 Rentals)

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Exploring Rental Options: Apartments, Townhomes, and Lofts—Oh My!

Looking for the perfect rental? From apartments and condos to lofts and single family rentals, explore the unique pros and cons of each rental type to help you land in your perfect new place.

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property at 1747 E 2nd St
$2,600

Total Monthly Price

Base Rent$2,600
Total Monthly Price$2,600
3 Bedroom, 1 Bath Condo for Rent
Available Now

1747 E 2nd St, Unit 2

1747 E 2nd St
Scotch PlainsNJ07076
property at 6 New England Ave
$3,500

Total Monthly Price

Base Rent$3,500
Total Monthly Price$3,500
3 Bedroom, 1.5 Bath Townhome for Rent
Available Now
Cost Per Sq.Ft.

6 New England Ave

SummitNJ07901

Practical Tips for Renters: How to Identify a Great Rental and Avoid Red Flags

Looking for the perfect new rental? Learn great ways to spot the perfect apartment for you, identify common red flags, and avoid rental issues and scams with these expert provided actionable tips.

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Renters Insurance 101: What It Is, What It Covers, and Why You Need It

From theft to fire to water damage, the unexpected can happen to any renter. Discover why renters insurance is one of the smartest and most affordable investments you can make as a tenant.

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property at 920 Everts Ave
$4,250

Total Monthly Price

Base Rent$4,250
Total Monthly Price$4,250
3 Bedroom, 2 Bath Condo for Rent
Available Now

920 Everts Ave

WestfieldNJ07090
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27 Diven St
3 Bedroom Apartments

27 Diven St

27 Diven StSpringfield, NJ 07081
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14 Euclid Ave
3 Bedroom Apartments

14 Euclid Ave

14 Euclid AveSummit, NJ 07901
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71 Morris Ave
3 Bedroom Apartments

71 Morris Ave

71 Morris AveSummit, NJ 07901
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616-618 Stirling Pl
3 Bedroom Apartments

616-618 Stirling Pl

616-618 Stirling PlWestfield, NJ 07090
  • Smoke Free
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78 Orchard St
3 Bedroom Apartments

78 Orchard St

78 Orchard StSummit, NJ 07901
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Villas on the Park
3 Bedroom Apartments

Villas on the Park

25-51 Springholm DrBerkeley Heights, NJ 07922

How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide

Finding the right apartment starts with three things: location, cost, and amenities. Get the insider perspective from a real estate professional on how to nail all three.

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900 South Ave W
3 Bedroom Apartments

900 South Ave W

900 South Ave WWestfield, NJ 07090
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100 E Broad St
3 Bedroom Apartments

100 E Broad St

100 E Broad StWestfield, NJ 07090
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Pineview Gardens
3 Bedroom Apartments

Pineview Gardens

884 S Springfield AveSpringfield, NJ 07081
  • Utilities Included
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Beechwood at Summit
3 Bedroom Apartments

Beechwood at Summit

43 Woodland AveSummit, NJ 07901
  • Utilities Included

Renting with Roommates: Realistic Expectations for Shared Lease

Sharing a lease? Learn how to set clear expectations with your roommates on routines, bills, and cleaning to ensure a successful and peaceful shared living arrangement.

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501 South
3 Bedroom Apartments

501 South

501 South Ave WWestfield, NJ 07090
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Worthington House
3 Bedroom Apartments

Worthington House

160-174 Summit AveSummit, NJ 07901
  • Utilities Included
Showing Results 1-47, Page 1 of 1

Mountainside, NJ Local Guide

Largest Available Mountainside 3 Bedroom Apartments

The largest available 3 Bedroom apartment unit in Mountainside, NJ is found at Springfield Gardens in the Wychwood neighborhood and is 1,929 square feet priced from $4,400. Glenside in the Crestwood neighborhood has the second largest 3 Bedroom, which is sized at 1,806 square feet and currently listed start at $4,475. Here is today’s list of the largest available 3 Bedroom units in Mountainside:

Apartment ListingModel NameSquare FootagePriced From
Springfield Gardens3 Bed / 2.5 Bath w Loft Townhome1,929 Sq Ft$4,400
Glenside$2.48/sq.ft. - Three Bedroom Classic Corner wit...1,806 Sq Ft$4,475
Providence Place$2.61/sq.ft. - Residence 3B1,724 Sq Ft$4,500

Cheapest Available Mountainside 3 Bedroom Apartments

As of September 15, 2026 the lowest priced 3 Bedroom apartment unit in Mountainside, NJ is the 3 Bed / 2.5 Bath w Loft Townhome Model starting from $4,400 at Springfield Gardens in the Wychwood neighborhood. The second most affordable Mountainside 3 Bedroom is the $2.48/sq.ft. - Three Bedroom Classic Corner wit... Model at Glenside starting at $4,475 in the Crestwood neighborhood. The average price for all 3 Bedroom apartments in Mountainside is currently $4,564. Here is today’s list of the cheapest available 3 Bedroom options in Mountainside:

Apartment ListingModel NamePriced From
Springfield Gardens3 Bed / 2.5 Bath w Loft Townhome$4,400
Glenside$2.48/sq.ft. - Three Bedroom Classic Corner wit...$4,475
Providence Place$2.61/sq.ft. - Residence 3B$4,500

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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Real Estate and Rental Term Glossary | ApartmentHomeLiving.com Renter University

From the letter A all the way to the letter Z, the Real Estate and Rental Term Glossary from the content team at ApartmentHomeLiving.com provides our visitors and shoppers with a little clarity and helpful guidance in navigating the real estate world through definitions and explainers for the top subjects and terms that someone may come across during the leasing, buying, or selling process.

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

Explore Mountainside, NJ Rentals by Map

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Frequently Asked Questions about 3 Bedroom Mountainside Apartments

How much is the average rent for a 3 Bedroom Mountainside Apartment?

The average rent for a 3 Bedroom Apartment in Mountainside is $4,564.

What is the largest available 3 Bedroom Mountainside Apartment for rent?

Today's apartment with the most square footage in Mountainside is a 1,929 square feet unit starting from $4,400 at Springfield Gardens.

What is the average size for Mountainside 3 Bedroom Apartments for rent?

The average size for a 3 Bedroom rental in Mountainside is currently 1,000 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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Exploring Rental Options: Apartments, Townhomes, and Lofts - Oh My!

Written by: Robin Stewart

Where do you see yourself? When you think of home, sweet home, are you in a 3/2 apartment? Dreaming of a tall townhome? Maybe an industrial loft heavy on cool vibes is on your visioning board.

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Practical Tips for Renters: How to Identify a Great Rental and Avoid Red Flags

Written by: Robin Stewart

Renters want to find a great apartment, the right place for them, one that checks all the boxes of location, rental cost, amenities, safety, and more.

decorative image for First Apartment Regrets: Real Renters Share What They'd Do Differently article

First Apartment Regrets: Real Renters Share What They'd Do Differently

Written by: Robin Stewart

Hindsight is 20/20. Live and Learn. With age comes wisdom. We’re familiar with all those expressions, and all of them apply to lessons first-time renters learn.

decorative image for Renters Insurance 101: What It Is, What It Covers, and Why You Need It article

Renters Insurance 101: What It Is, What It Covers, and Why You Need It

Written by: Robin Stewart

Insurance seems to be a part of life. In some states, having insurance is the law, as is the case for automobile insurance. Renters are no exception.