
Apartments for Rent in Mountainside, NJ (201 Rentals)


Central Park

Skyline Ridge

The Franklin at Westfield

Providence Place

SoHo at Fanwood Station

Scotch Plains Crossing

Parkside at Westfield

Summit Hill

Westfield Crossing
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.

Glenside

Springfield Gardens

Manley Court

Vermella Garwood Station

The Andrew

Constantine Village

Station Square at Fanwood Townhomes

145-147 Summit Ave

The Parker

Total Monthly Price
333 Central
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.

123-127 Summit Ave

Murray Hill Apartments

Garwood Gardens Apartments

Fanwood Crossing

Duncan Hill Apartment Homes

Lakeside at Briant Park

New England Village

Cranford Crossing Apartment Homes

Westfield Hamilton House, LLC

Mountainview Gardens
Neighborhood & Market Insights: How to Choose the Right Area to Rent
Master your search for the perfect apartment. Location is everything. Discover how to leverage community insights, public data, and personal visits to make a fully informed decision about where to rent.

The Parc at Summit

The Northside

Berkshire Gardens

Floral Avenue Ventures

331 South Ave

Spring Gardens Apartments

Spring Gardens

Total Monthly Price
616 Stirling Plz, Unit 1

Total Monthly Price
509 Central Ave, Unit Townhouse F

Total Monthly Price
825 Mountain Ave, Unit 4B
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.

4 Elm St, Unit #1

227 South Ave W, Unit 3

50 New England Ave, Unit A

6 New England Ave

351 Springfield Ave, Unit FL 1

742 Central Ave

18 Walnut St

23 Gates Ave, Unit 2

95 Springfield Ave

18 Walnut St
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

How much does it cost to rent an apartment in Mountainside?
| Bedroom | Average Rent | Cheapest Rent | Highest Rent |
|---|---|---|---|
| Mountainside Studio Apartments | $4,150 | $1,600 | $6,700 |
| Mountainside 1 Bedroom Apartments | $2,785 | $1,750 | $4,750 |
| Mountainside 2 Bedroom Apartments | $3,755 | $2,000 | $7,250 |
| Mountainside 3 Bedroom Apartments | $4,472 | $2,850 | $6,395 |
| Mountainside 4 Bedroom Apartments | $4,500 | $4,500 | $4,500 |
How much does it cost to rent a home in Mountainside?
| Bedroom | Average Rent | Cheapest Rent | Highest Rent |
|---|---|---|---|
| 2 Bedroom Homes | $2,957 | $2,100 | $4,800 |
| 3 Bedroom Homes | $4,961 | $2,500 | $7,900 |
| 4 Bedroom Homes | $6,557 | $4,500 | $10,000+ |
| 5 Bedroom Homes | $13,900 | $10,000 | $10,000+ |
| 6 Bedroom Homes | $15,000 | $10,000 | $10,000+ |
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A Seasoned Property Manager's Step-by-Step Guide to Getting Your Deposit Back
Learn the property manager's true secrets to a zero-deduction move-out. Use this step-by-step guide on documentation, cleaning, and lease-reading to reclaim your security deposit.
Read Article18 Must-Ask Rental Tour Questions That Reveal the Truth about a Property
Tour smarter and choose with confidence. Get the essential 18 questions that reveal the truth about a rental property's maintenance, utilities, and safety.
Read ArticleReal 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.
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.
Remember the 3 Rules of Real Estate:Location, Location, Location!
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See the most popular apartments and homes in Mountainside, NJ
Frequently Asked Questions about Mountainside
What is the current pricing and availability for apartments for rent in Mountainside, NJ?
As of today, August 02, 2026, there are currently 201 available Mountainside apartments priced from $1,600 to $7,250, with an average monthly rent of $3,412.
What is the current price range for One Bedroom Mountainside Apartments for rent?
Today's rental pricing for One Bedroom Apartments in Mountainside ranges from $1,750 to $4,750 with an average monthly rent of $2,785.
What does renting a Two Bedroom Apartment in Mountainside cost?
The monthly rent prices of Two Bedroom Apartments currently available in Mountainside range from $2,000 to $7,250. Today's average rental price for Two Bedrooms here is $3,755.
How expensive are Mountainside Three Bedroom Apartments?
There are currently 34 Three Bedroom Apartments listings available in Mountainside on ApartmentHomeLiving.com. The pricing ranges from $2,850 to $6,395 - averaging $4,472 for the location.
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

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.

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.

Apartment Occupancy Rates: Renter Attraction vs Renter Retention
Written by: Robin Stewart
There’s a tenet in marketing about client or customer attraction and retention. Studies and data have consistently shown it costs less to keep a current customer than to attract a new one.

How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide
Written by: Robin Stewart
Evaluating rental properties for clients draws many parallels to house-hunting. Whether an apartment, loft, townhouse, or other rental, finding the right place means finding “home” for your client.