Buying in Mountainside, NJ: What the Market Actually Looks Like in 2026
Mountainside, NJ is Union County's most exclusive single-family market. Explore 2026 home prices, school district det...

YOUR UNION COUNTY REAL ESTATE EXPERT
REALTOR® · Better Homes and Gardens Real Estate Elite
Licensed Real Estate Salesperson · NJ · 181 North Ave East, Cranford NJ
Union County Life's real estate content, listings, and IDX data are presented under the license and control of Viviana Zapata, REALTOR®. All property searches and listing displays on this site are Viviana's displays.
Viviana Zapata, Licensed Real Estate Salesperson. Better Homes and Gardens Real Estate Elite. 181 North Avenue East, Cranford, NJ 07016. Member NJMLS, CJMLS, GSMLS. The data relating to real estate for sale on this website comes in part from the IDX Program of Garden State Multiple Listing Service. Real estate listings held by other brokerage firms are marked as IDX Listing. Information deemed reliable but not guaranteed. IDX information is provided exclusively 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. © 2026 Garden State MLS. All rights reserved.
Elevated, forested, secluded, wealthy
Businesses
22
listed in Mountainside
Articles
2
published stories
County
Union
New Jersey
The borough has around 6,700 residents, making it one of the smallest municipalities in Union County. There's no downtown strip with a dozen restaurants, no train station within walking distance for most residents. What Mountainside has instead is space — real space — backed up against the Watchung Reservation, with wooded lots, winding roads, and houses that sit far enough back from the street that you can actually breathe.
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Mountainside, NJ is Union County's most exclusive single-family market. Explore 2026 home prices, school district det...
Thinking about moving to Mountainside, NJ? Here's what life actually looks like in this small Union County borough —...
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Real Estate
$825,000
3 beds · 2 baths
217 Robin Hood Rd, Mountainside Boro, Union$1,195,000
3 beds · 3 baths
1625 Nottingham Way, Mountainside Boro, Union$1,650,000
Single Family4 beds · 3.1 baths
1003 Charles St, Mountainside Boro, Union
Local Real Estate Guide
Buying or refinancing in Mountainside? Get today's rates from Mike Vrlaku — NMLS #179115
See Current Rates →Town Guide
Trash and recycling schedules vary by street in Mountainside. Visit the Mountainside municipal website or contact Public Works for your specific pickup day. Most Union County municipalities offer online schedule lookup by address.
Mountainside is served by its local public school district within Union County, NJ. The district includes elementary, middle, and high school levels. Visit the New Jersey Department of Education website or the Mountainside municipal site for enrollment information and school assignments by address.
Parking permits in Mountainside are issued through the municipal clerk or parking authority. Requirements and fees vary. Contact Mountainside Borough Hall or Township Hall directly, or visit the municipal website for current permit applications and residential parking zone information.
Mountainside offers a variety of parks and recreational spaces maintained by the municipality and Union County Parks system. Warinanco Park, Echo Lake Park, and Nomahegan Park are among the most popular county parks. Visit ucnj.org/parks for the full county parks directory, or check the Mountainside municipal website for local park listings.
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The Mountainside municipal offices handle permits, licenses, tax payments, and general resident services. Contact information is available on the official Mountainside municipal website. Most Union County municipalities are open Monday through Friday during standard business hours. For after-hours emergencies, contact the local police non-emergency line.