Mountainside, NJ Real Estate & Homes For Sale
12 homes
- NEW - 2 DAYS AGOFOR SALE BY OWNER0.34 ACRES
- 0.58 ACRESYour Home Sold Guaranteed Realty
- AUCTION
- Keller Williams Realty
- Weichert Realtors
Real Estate & Homes For Sale Near Mountainside, NJ
We found 30 more homes matching your filters just outside Mountainside
- NEW - 1 DAY AGOSerhant New Jersey Llc
- NEWOPEN SAT, 1-3PMKeller Williams Mid-Town Direct
- NEW CONSTRUCTION0.28 ACRESSignature Realty Nj
- NEW CONSTRUCTIONWeichert Realtors
- Daunno Realty Services Llc
- Keller Williams Mid-Town Direct
- Signature Realty Nj
- $825,000+5 Beds3.5 Baths4,100 sqftCarlton: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - Bhhs Fox & Roach
- Daunno Realty Services Llc
- Keller Williams City Life Realty
- $1,000,000+5 Beds5.5 Baths5,500 sqftAberdeen: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - $950,000+5 Beds4.5 Baths5,000 sqftAdalyn: Build On Your Own Lot Plan in Kensington: Design Center,
Summit, NJ 07901 - Prominent Properties Sir
- Corcoran Sawyer Smith
3 More Homes
We found 3 more homes that match 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 |
|---|---|
| October 2025 | $1.02M |
| November 2025 | $1.02M |
| December 2025 | $1.02M |
| January 2026 | $1.02M |
| February 2026 | $1.03M |
| March 2026 | $1.04M |
| April 2026 | $1.04M |
| May 2026 | $1.04M |
| June 2026 | $1.04M |
| July 2026 | $1.04M |
| August 2026 | $1.05M |
| September 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 is 1 new listing in Mountainside, NJ and 12 homes for sale.
| Home Size | Home Value* |
|---|---|
| 3 bedrooms (7 homes) | $978,178 |
| 4 bedrooms (2 homes) | $1,127,547 |
What Locals Say about Mountainside
Browse Mountainside, NJ homes by type

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.