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Median Home Price in Mountainside, NJ

The median home value in Mountainside, NJ is $1,084,298 as of 2026-06-30, up 2.49% from a year earlier.

Median Home Value

$1,084,298

Year-over-Year

+2.49%

Population

7,053

Mountainside ranks #21 of 184 New Jersey cities tracked here by median home value, and sits 76.4% above the state's city median of $614,590. It sits in Union County, where the county-wide median is $641,174.

Crime in Mountainside

Mountainside police recorded a violent crime rate of 14 per 100,000 residents in 2024 — lower than most cities that report to the FBI. Property crime runs at 340 per 100,000.

Reported by the city's own police department to the FBI's Uniform Crime Reporting Program (what this covers).

Common questions about Mountainside

How much does a house cost in Mountainside, NJ?

The median home value in Mountainside is $1,084,298. That's up 2.49% from a year earlier. That is about 76.4% above the typical county in New Jersey.

Is Mountainside expensive compared to the surrounding area?

Homes in Mountainside are more expensive than Union County as a whole, where the median is $641,174 — a difference of about 69.1%.

Is Mountainside a safe place to live?

Mountainside police reported 14 violent crimes per 100,000 residents, covering a population of about 7,053. Crime rates are one input among many — they vary block to block within a city, and this figure is a citywide average.