Mountainside, NJ rental market

What is the average rent in Mountainside, NJ?

Choose another area

Last updated August 8, 2026

Rental market summary

The average rent for all bedrooms and all property types in Mountainside, NJ is $4,000.

Average rent

$4,000

Month-over-month change

+$500

Year-over-year change

-$215

Available rentals

3

Source: Zillow Rentals data

Rental price range

The price range for all bedrooms and all property types is $3,500 to $9,000.

Loading
Rent frequencies
Rent priceNumber of rental properties
$3,4001
$3,5001
$3,9001
$4,0001
$5,000+1

Average rent price over time

In the last year, rent has decreased by $215 compared to the previous year.

Loading
Average rent price over time
Last year (2025)This year (2026)
Jan$4,500$4,300
May$2,395$3,800
Jun$2,000$3,800
Jul$1,850$3,800
Aug$4,250$3,800
Sep$4,800$3,500
Oct$4,200$3,500
Nov$4,100$4,000
Dec$3,950No data

Market temperature

The Mountainside, NJ rental market temperature is WARM. Market temperature is based on changes in renter demand compared to the national average. For example, a hot market has increasing demand.

warm

Temperature is based on all bedrooms and all property types.

Compare average rent in markets

Rent in Mountainside, NJ is 100% higher than the national average.

Mountainside, NJvs.

$4,000

$2,000

Rent in Mountainside, NJ

We created a seamless online experience for you - from shopping on the largest rental network, to applying, to paying rent.

Explore Rentals

Post a rental listing

Easy-to-use tools let you list your property where millions of renters search each month. Plus, messaging and tenant screening are integrated into our listing platform to help you find and screen applicants faster.

Get startedLearn more

Frequently asked questions

1. What is the average rent in Mountainside, NJ?

The average rent in Mountainside, NJ is $4,000.

2. What is the average rent for a three-bedroom apartment in Mountainside, NJ?

The average rent for a three-bedroom apartment in Mountainside, NJ is $3,500 per month.

3. What is the average rent for a four-bedroom apartment in Mountainside, NJ?

The average rent for a four-bedroom apartment in Mountainside, NJ is $9,000 per month.

4. How much does it cost to rent a house in Mountainside, NJ?

Houses in Mountainside, NJ rent between $3,500 - $9,000 with an average rent of $4,000.

5. How has the rent in Mountainside, NJ changed in the last year?

In the last year, the rent in Mountainside, NJ decreased by $215

6. How much has the rent in Mountainside, NJ increased/decreased in the last month?

In the last month, the rent in Mountainside, NJ increased by $500

7. How many available rentals are there in Mountainside, NJ?

There are currently 3 rentals available in Mountainside, NJ.

8. How do rent prices in Mountainside, NJ compare with the national average?

The average rent in Mountainside, NJ is $4,000 — 100% higher the national average of $2,000.

© 2026 Zillow Group, Inc. and its subsidiaries. All rights reserved.
Privacy NoticeAd Choices