Mountainside Property Data
Union County, New Jersey
2,178
Properties
$987k
Avg Price
2,552
Avg Sq Ft
Stable MarketBalanced supply and demand
Union County, New Jersey
Our database includes 2,178 properties in Mountainside.
Properties in Mountainside average $986,996, reflecting a competitive market.
The price per square foot of $387 reflects strong property valuations in this area.
Home prices in Mountainside are 36% higher than the Union County average.
Showing 151-200 of 3,009 properties
The average home price in Mountainside, NJ is $986,996, based on analysis of 2,178 properties in our database.
Our database includes 2,178 properties in Mountainside, NJ, providing comprehensive market coverage.
The average price per square foot in Mountainside, NJ is $387. This is calculated from an average home price of $986,996 and average size of 2,552 square feet.
Homes in Mountainside, NJ average 2,552 square feet, with an average price of $986,996.
Mountainside, NJ is one of many cities in Union County, NJ with property data available. Browse other cities in the county to compare market conditions and pricing.
Get instant access to comprehensive county assessors-based property data with your free API key
Need Bulk Data?
Email us at hello@realie.ai
© 2026 Realie, Inc. All rights reserved.
