Mountainside, NJ - single-family homes for sale

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. 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. This information is being provided for Consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties Consumers may be interested in purchasing. Date Last Updated June 5, 2026 NJ_GSMLS Member Broker: Donald Hansen

The data relating to the real estate for sale on this web site comes in part from the Internet Data Exchange Program of the NJMLS. Real estate listings held by brokerage firms other than CENTURY 21 Alliance Realty are marked with the Internet Data Exchange logo and information about them includes the name of the listing brokers. Some properties listed with the participating brokers do not appear on this website at the request of the seller. Listings of brokers that do not participate in Internet Data Exchange do not appear on this website. All information deemed reliable but not guaranteed. Last date updated: April 29, 2026. Source: New Jersey Multiple Listing Service, Inc. 2026 New Jersey Multiple Listing Service, Inc. All rights reserved. NJ_MLS Member Broker: Douglas E Ramos