Mountainside Boro Real Estate

340 Central Ave

$979,000

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Most Expensive

1445 Deer Path

$1,550,000

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Least Expensive

Mountainside Boro Listings Summary

Mountainside Boro - Town vs. County Stats

Avg Price in Mountainside Boro: $1,041,300 / County Avg $786,500

132%

Avg Taxes in Mountainside Boro: $12,800 / County Avg $159,900

Avg Sq. Ft. in Mountainside Boro: 2,378 / County Avg 2,964

80%

Avg Price per/sqft in Mountainside Boro:$438 / County Avg $265

165%

Avg Year Built in Mountainside Boro: 1966 / County Avg 1954

101%

Avg Days on Website in Mountainside Boro: 20 / County Avg 52

38%

Mountainside Boro Real Estate Market Health

New Listings

Reductions

Foreclosures

Short Sales

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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. and Weichert, Realtors® - Roxbury. 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. This information is being provided for Consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties Consumers may be interested in purchasing The dissemination of listings on the 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. Show More...