Union County, New Jersey

What is your Mountainside property worth to a builder?

If you own land, a teardown, or an oversized lot in Mountainside, it may be worth far more to a builder than a traditional sale would ever bring. The Builders Resource Center knows exactly who is buying in Mountainside and what they will pay.

Read our guide: What Your Land Is Worth to a Builder →

Why Builders Want Mountainside

A market builders compete in.

Quiet, wooded, and bordering the Watchung Reservation, Mountainside offers the larger lots builders look for, minutes from Westfield and Summit.

That demand is exactly why an ordinary-looking Mountainside property can be worth a premium to the right builder. We track who is actively buying, what they are paying, and what your town's zoning allows, so you get an honest read on your property's real development value.

Mountainside Market Report

What homes actually sold for in Mountainside.

Every single-family sale recorded with the State of New Jersey in Mountainside over the last 12 months, July 2025 through June 2026. Real deed records, not estimates.

55homes sold68 sales the year before
$980Kmedian sale priceup 0.5% from $975K the year before
2new homes soldmedian $1.61M
0sales over $2Molder homes: median $427 per sq ft

2 newly built homes sold here in the last year, so builders are active but selective. Ask what your property is worth to a builder →

Tonye Ikiere

Your Mountainside agent

Tonye Ikiere, REALTOR-Associate, Builders Resource Center. Follows these numbers every month and can tell you what they mean for your home.

Meet Tonye Call or text (732) 913-9250

Source: NJ Division of Taxation deed records (SR1A): usable single-family sales from $100K to $20M recorded July 2025 through June 2026. New homes = built the year of the sale or the year before. Updated September 2026.

More on Mountainside

Go deeper on Mountainside.

What We Do in Mountainside

Three ways we get you more.

01

Land & Teardowns

Older or dated homes and oversized lots in Mountainside often sell for more as a builder's canvas than as a traditional listing. You sell as-is, no repairs or staging.

02

Subdivisions

If your Mountainside lot can be divided, that potential can multiply its value. We know what the town will realistically approve and what builders will pay for it.

03

New Construction

We sell new construction in this market every week, so we price your land against what the finished home will actually command in Mountainside.

Now on the Market

Homes for sale in Mountainside.

The newest homes for sale in Mountainside, live from the MLS and updated all day.

Looking for something specific? Search every listing in Mountainside and nearby towns by price, size and features, or set the status to Sold to see recent closings.

Free & Confidential

What is your Mountainside property worth?

Your information stays private. We never share owner details with builders until you tell us to.

Areas We Serve

We buy land and build across New Jersey.

Beyond Mountainside, the Builders Resource Center works with landowners in:

Essex County
Bloomfield · Caldwell · Cedar Grove · Essex Fells · Fairfield · Glen Ridge · Livingston · Maplewood · Montclair · North Caldwell · Nutley · Roseland · Short Hills & Millburn · South Orange · Verona · West Caldwell · West Orange
Morris County
Boonton Township · Chatham · Chester · Denville · East Hanover · Florham Park · Hanover Township · Harding · Kinnelon · Long Hill · Madison · Mendham · Montville · Morris Plains · Morris Township · Morristown · Mountain Lakes · Parsippany · Randolph
Union County
Berkeley Heights · Clark · Cranford · Fanwood · Garwood · Kenilworth · New Providence · Rahway · Roselle Park · Scotch Plains · Springfield · Summit · Union · Westfield
Somerset County
Basking Ridge · Bedminster · Bernardsville · Bridgewater · Far Hills · Green Brook · Hillsborough · Montgomery · Peapack-Gladstone · Warren · Watchung
Bergen County
Allendale · Alpine · Closter · Cresskill · Demarest · Englewood · Englewood Cliffs · Franklin Lakes · Glen Rock · Harrington Park · Haworth · Ho-Ho-Kus · Mahwah · Montvale · New Milford · Norwood · Old Tappan · Oradell · Paramus · Ridgewood · River Vale · Saddle River · Tenafly · Upper Saddle River · Washington Township · Westwood · Woodcliff Lake · Wyckoff