Mountainside, NJ Real Estate & Homes For Sale
9 homes
- NEWOPEN SAT, 1-4PMColdwell Banker Realty Alp
- OPEN SUN, 1-4PM0.42 ACRESKeller Williams Realty
- FOR SALE BY OWNER0.57 ACRES
- 0.41 ACRESProminent Properties Sir
- NEW CONSTRUCTION0.35 ACRESYour Town 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 - 9 HRS AGOColdwell Banker Realty
- NEW CONSTRUCTIONBUILDABLE PLAN$950,000+5 Beds5.5 Baths5,500 sqftAberdeen: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - NEWOPEN SUN, 1-3:30PM0.25 ACRESColdwell Banker Realty
- NEW CONSTRUCTIONBUILDABLE PLAN$900,000+5 Beds4.5 Baths5,000 sqftAdalyn: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - 3D VIEW0.34 ACRESChristie's Int. Real Estate Group
- OPEN SAT, 1-3PM0.36 ACRESYour Town Realty
- OPEN SAT, 1-3PM0.28 ACRESColdwell Banker Realty
- Bhhs Fox & Roach
- Coldwell Banker Realty
- $1,050,000+5 Beds5.5 Baths6,000 sqftCapri: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - Compass New Jersey, Llc
- $875,000+5 Beds5 Baths4,700 sqftAlma: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - West Of Hudson Real Estate
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 |
|---|---|
| May 2025 | $1.02M |
| June 2025 | $1.02M |
| July 2025 | $1.02M |
| August 2025 | $1.02M |
| September 2025 | $1.02M |
| October 2025 | $1.02M |
| November 2025 | $1.03M |
| December 2025 | $1.03M |
| January 2026 | $1.03M |
| February 2026 | $1.04M |
| March 2026 | $1.05M |
| April 2026 | $1.05M |
Trends and affordability stats are provided by third party data sources.
Average Home Value in Mountainside, NJ, by Home Size
Currently, there are 2 new listings in Mountainside, NJ and 9 homes for sale.
| Home Size | Home Value* |
|---|---|
| 3 bedrooms (2 homes) | $977,117 |
| 4 bedrooms (3 homes) | $1,116,702 |
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.