Union County, New Jersey

Moving to Mountainside.

What your budget actually buys in Mountainside, how old the homes are, and what is for sale right now, from state records and the MLS.

Mountainside For Buyers

What your budget buys in Mountainside.

Homes that sold in Mountainside, July 2025 through June 2026, grouped by price. Median size and age are from the tax record.

$980Kmedian price55 sales, last 12 months
1957median year builtof homes that sold
59%built before 1960older homes sold
4%built 2019 or laternew and nearly new
PriceHomes soldMedian sq ftMedian year built
Under $750K101,6301955
$750K to $1M222,1011957
$1M to $1.5M153,1311963
$1.5M to $2M83,5931951

Source: NJ Division of Taxation deed records (SR1A), usable single-family and condo sales. Medians need at least three sales.

Homes for Sale

Search every home for sale in Mountainside.

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Keep Exploring

More on Mountainside.

Selling a home in MountainsideWhat homes sold for, what a builder might pay, and a free price estimate.Mountainside zoning for buildersLot sizes, setbacks and how big a new house can be, zone by zone.
Mountainside market reportEvery home sold, median prices and the agent who knows the town.Land and teardowns in MountainsideWhat builders paid for older homes, and lots for sale now.What can you build on your lot?Enter an address: zoning, lot size and roughly how big a new home could be.