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3 Bedroom Apartments
Alpine at Mountainside Townhomes
1474-1494 Alpine Ridge WayMountainside, NJ 07092
3 Bedroom Apartments for Rent in Mountainside, NJ (33 Rentals)
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Rent Specials
$6,045 - $6,2453 Bedroom Apartments Available Now
Parkside at Westfield
524 Springfield AveWestfield, NJ 07090
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$4,850 - $6,0003 Bedroom Apartments Available Now
Providence Place
111 Spring StNew Providence, NJ 07974
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$4,275 - $5,1953 Bedroom Apartments Available Now
Glenside
2545 US Highway 22Scotch Plains, NJ 07076
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Contact Us For Pricing3 Bedroom Apartments Contact Us For Availability
Summit Hill
100 Stone Hill RdSpringfield, NJ 07081
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$4,4003 Bedroom Apartments Available Feb 1
Springfield Gardens
1 Rosewood AveSpringfield, NJ 07081
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$5,8993 Bedroom Apartments Available Jan 28
Vermella Garwood Station
400-490 South AveGarwood, NJ 07027
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$5,4003 Bedroom Apartments Available Now
Station Square at Fanwood Townhomes
1 Second StFanwood, NJ 07023
Roommate Matching: Finding the Right Fit and Avoiding Pitfalls
When searching for a roommate, follow this list of essential steps and set clear expectations to create a solid foundation for a harmonious living situation.
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$2,6753 Bedroom Apartments Contact Us For Availability
Mountainview Gardens
99 Hillside AveSpringfield, NJ 07081
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$3,925 - $4,1253 Bedroom Apartments Available Now
Lakeside at Briant Park
100 Briant Park DrSpringfield, NJ 07081
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$4,8003 Bedroom Apartments Available Now
The Parc at Summit
26 Locust DrSummit, NJ 07901
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Contact Us For Pricing3 Bedroom Apartments Contact Us For Availability
Duncan Hill Apartment Homes
1000 Central AveWestfield, NJ 07090
915 Springfield Ave
New ProvidenceNJ07974
26 Locust Dr
SummitNJ07901
11 Washington Ave
SummitNJ07901
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3 Bedroom Apartments
Station Square at Fanwood Townhomes
1 2nd StFanwood, NJ 07023
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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3 Bedroom Apartments
71 Morris Ave
71 Morris AveSummit, NJ 07901
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3 Bedroom Apartments
616-618 Stirling Pl
616-618 Stirling PlWestfield, NJ 07090
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78 Orchard St
78 Orchard StSummit, NJ 07901
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27 Diven St
27 Diven StSpringfield, NJ 07081
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14 Euclid Ave
14 Euclid AveSummit, NJ 07901
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Villas on the Park
25-51 Springholm DrBerkeley Heights, NJ 07922
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900 South Ave W
900 South Ave WWestfield, NJ 07090
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3 Bedroom Apartments
515-519 Morris Ave
515-519 Morris AveSummit, NJ 07901
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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3 Bedroom Apartments
100 E Broad St
100 E Broad StWestfield, NJ 07090
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The Crossings at Morris Avenue
146 Morris AveSummit, NJ 07901
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Westfield Manor Apartments
800 Forest AveWestfield, NJ 07090
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Pineview Gardens
884 S Springfield AveSpringfield, NJ 07081
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Townhomes at Summit Crossing
785 Springfield AveSummit, NJ 07901
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Patriot Village Apartments
53 Division AveSummit, NJ 07901
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Beechwood at Summit
43 Woodland AveSummit, NJ 07901
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3 Bedroom Apartments
501 South
501 South Ave WWestfield, NJ 07090
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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3 Bedroom Apartments
Worthington House
160-174 Summit AveSummit, NJ 07901
Showing Results 1-33, Page 1 of 1
Mountainside, NJ Local Guide
Salt Water Taffy by slgckgc is licensed under CC BY 2.0
How much does it cost to rent an apartment in Mountainside?
| Bedroom | Average Rent | Cheapest Rent | Highest Rent |
|---|---|---|---|
| Mountainside Studio Apartments | $1,600 | $1,600 | $1,600 |
| Mountainside 1 Bedroom Apartments | $2,520 | $1,595 | $4,550 |
| Mountainside 2 Bedroom Apartments | $3,712 | $1,334 | $7,250 |
Mountainside 3 Bedroom Apartments | $4,672 | $2,675 | $6,245 |
| Mountainside 4 Bedroom Apartments | $7,075 | $6,900 | $7,250 |
Browse Top Apartments in Mountainside
See all Apartments in MountainsideExplore Mountainside
Mountainside, NJ Local Guide
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Largest Available Mountainside 3 Bedroom Apartments
The largest available 3 Bedroom apartment unit in Mountainside, NJ is found at Glenside in the Crestwood neighborhood and is 2,715 square feet priced from $5,395. Providence Place in the Benders Corner neighborhood has the second largest 3 Bedroom, which is sized at 2,412 square feet and currently listed start at $5,500. Here is today’s list of the largest available 3 Bedroom units in Mountainside:
| Apartment Listing | Model Name | Square Footage | Priced From |
|---|---|---|---|
| Glenside | $1.99/sq.ft. - Three Bedroom Townhome | 2,715 Sq Ft | $5,395 |
| Providence Place | $2.28/sq.ft. - Townhome A | 2,412 Sq Ft | $5,500 |
| Station Square at Fanwood Townhomes | Everton | 2,240 Sq Ft | $5,400 |
| The Parc at Summit | 3 Bedroom TH Renovated | 2,220 Sq Ft | $4,800 |
| Parkside at Westfield | $3.37/sq.ft. - Three Bedroom Corner Lux | 1,781 Sq Ft | $6,045 |
| Lakeside at Briant Park | $3.13/sq.ft. - Three Bedroom | 1,215 Sq Ft | $3,925 |
Cheapest Available Mountainside 3 Bedroom Apartments
As of January 22, 2026 the lowest priced 3 Bedroom apartment unit in Mountainside, NJ is the $3.13/sq.ft. - Three Bedroom Model starting from $3,925 at Lakeside at Briant Park in the South Mountain neighborhood. The second most affordable Mountainside 3 Bedroom is the 3 Bedroom TH Renovated Model at The Parc at Summit starting at $4,800 in the South Hills Park Historic District neighborhood. The average price for all 3 Bedroom apartments in Mountainside is currently $4,672. Here is today’s list of the cheapest available 3 Bedroom options in Mountainside:
| Apartment Listing | Model Name | Priced From |
|---|---|---|
| Lakeside at Briant Park | $3.13/sq.ft. - Three Bedroom | $3,925 |
| The Parc at Summit | 3 Bedroom TH Renovated | $4,800 |
| Glenside | $1.99/sq.ft. - Three Bedroom Townhome | $5,395 |
| Station Square at Fanwood Townhomes | Everton | $5,400 |
| Providence Place | $2.28/sq.ft. - Townhome A | $5,500 |
| Parkside at Westfield | $3.37/sq.ft. - Three Bedroom Corner Lux | $6,045 |
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.
Read ArticleCash 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.
Read ArticleQuick 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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Explore Mountainside, NJ Rentals by Map
See the most popular apartments and homes in Mountainside, NJ
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 $4,672.
What is the largest available 3 Bedroom Mountainside Apartment for rent?
Today's apartment with the most square footage in Mountainside is a 2,715 square feet unit starting from $5,395 at Glenside.
What is the average size for Mountainside 3 Bedroom Apartments for rent?
The average size for a 3 Bedroom rental in Mountainside is currently 1,650 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
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.
18 Must-Ask Rental Tour Questions That Reveal the Truth about a Property
Written by: Lauren Harrington
Renting your next home can feel thrilling and overwhelming at the same time.
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.
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.