Mountainside, NJ Real Estate & Homes For Sale
19 homes
- NEWOPEN SAT, 1-3PM3D VIEW0.39 ACRESCorcoran Sawyer Smith
- NEWOPEN SAT, 12-3PM0.37 ACRESColdwell Banker Realty
- 0.36 ACRESWeichert Realtors
- OPEN SAT, 2-4PM0.55 ACRESKl Sotheby's Int'l. Realty
- 3D VIEW0.3 ACRESColdwell Banker Realty
- Keller Williams Realty
- Exp Realty, Llc
- Keller Williams Mid-Town Direct
- Weichert Realtors
- Keller Williams City Views Realty
- New And Modern Group
Real Estate & Homes For Sale Near Mountainside, NJ
We found 30 more homes matching your filters just outside Mountainside
- NEW CONSTRUCTIONBUILDABLE PLAN$775,000+4 Beds3 Baths4,000 sqftAbercrombie: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - NEW CONSTRUCTIONBUILDABLE PLAN$850,000+5 Beds4 Baths4,500 sqftLeyton: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - OPEN SAT, 2-4PM0.42 ACRESProminent Properties Sir
- OPEN SAT, 1-4PM0.34 ACRESColdwell Banker Realty
- OPEN SUN, 2-4PM3D VIEWKeller Williams Realty
- $850,000+4 Beds4.5 Baths4,400 sqftRochelle: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - Keller Williams Ocean Living
- Howard Hanna Rand Realty
- Keller Williams Realty
- Coldwell Banker Realty
- Weichert Realtors
- Lois Schneider Realtor
- $825,000+5 Beds4 Baths4,300 sqftAllaire: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901
1 More Home
We found 1 more home that matches your search in other listings.
Mountainside, NJ Real Estate Trends
Learn about the Mountainside, NJ housing market through trends and averages.Affordability of Living in Mountainside, NJ
| Month | Median home value |
|---|---|
| June 2025 | $1.04M |
| July 2025 | $1.04M |
| August 2025 | $1.04M |
| September 2025 | $1.04M |
| October 2025 | $1.04M |
| November 2025 | $1.05M |
| December 2025 | $1.05M |
| January 2026 | $1.05M |
| February 2026 | $1.06M |
| March 2026 | $1.07M |
| April 2026 | $1.07M |
| May 2026 | $1.07M |
Trends and affordability stats are provided by third party data sources.
Average Home Value in Mountainside, NJ, by Home Size
Currently, there are 3 new listings in Mountainside, NJ and 19 homes for sale.
| Home Size | Home Value* |
|---|---|
| 3 bedrooms (9 homes) | $990,203 |
| 4 bedrooms (5 homes) | $1,138,646 |
What Locals Say about Mountainside

The data relating to real estate for sale on this website comes in part from the IDX Program of Garden State Multiple Listing Service, L.L.C. Real estate listings held by other brokerage firms are marked as IDX Listing.
Information deemed reliable but not guaranteed. Copyright © 2026 Garden State Multiple Listing Service, L.L.C. All rights reserved.
Notice: The dissemination of listings on this website does not constitute the consent required by N.J.A.C. 11:5.6.1 (n) for the advertisement of listings exclusively for sale by another broker. Any such consent must be obtained in writing from the listing broker.
Information deemed reliable but not guaranteed. Copyright © 2026 Garden State Multiple Listing Service, L.L.C. All rights reserved.
Notice: The dissemination of listings on this website does not constitute the consent required by N.J.A.C. 11:5.6.1 (n) for the advertisement of listings exclusively for sale by another broker. Any such consent must be obtained in writing from the listing broker.