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3 bedroom homes for sale in Mountainside, NJ

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Mountainside, NJ Real Estate Market Overview

There are no 3-bedroom homes for sale in Mountainside, NJ. The following market insights reflect all property types in the Mountainside, NJ real estate market. The number of homes in Mountainside, NJ decreased by 10% between May 2025 and June 2025. The median list price of listings available in June 2025 was $999,000, while the average time on the real estate market was 0 days. Mountainside, NJ housing market in June 2025 saw over 10 listings sold above listed price, more than 2 sold at listed price and over 1 sold below.
From Rocket Homes Real Estate and based on county public records data

What is it like to live in Mountainside, NJ

Mountainside is located in Union County, New Jersey. There are roughly 6,747 residents, living in 2,485 households. The average temperature for Mountainside this time of the year is low of 64F and high of 85F. On average, Mountainside gets about 5.04 inches of precipitation in July. Most residents are home owners (91%), have a post secondary degree (52%) and are married, no kids (37%).

Data provided by Home Junction

Housing market reports in Union County

Homes for sale near Mountainside, NJ

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*Based on Rocket Mortgage data in comparison to public data records.

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