Mountainside, NJ is where families come to put down roots — quiet, upscale borough bordering the Watchung Reservation, spacious lots, excellent schools, and a family-focused community. Whether you’re relocating from NYC, Hoboken, Jersey City, out of state, or across town — or you’re a Mountainside homeowner looking to sell — Ryan Horvath is the luxury realtor Mountainside families trust. A Summit resident since 2015 and Prominent Properties Sotheby’s International Realty agent, Ryan is also a former licensed general contractor in NJ — bringing a builder’s eye to every showing, not as a contractor for hire, but as your agent who knows construction inside and out. Mountainside’s median sale price is $810,000 with homes averaging just 24 days on market.
Data sourced from the Garden State MLS (GSMLS), March 2025 through February 2026.
In a market where homes move in 24 days and median prices are up +4.9% year-over-year, having the right agent isn’t optional — it’s the difference between leaving money on the table and maximizing your return. As a former licensed general contractor in NJ, Ryan brings a builder’s eye to every listing — not as a contractor for hire, but as your agent who knows construction inside and out. That means he knows exactly how to present and price your home at its highest value. Whether you’re upsizing within Mountainside, downsizing, or moving to another one of Ryan’s markets, he’ll position your property to attract the strongest offers.
And the relationship doesn’t end at closing. Ryan has a deep roster of trusted subcontractors and will continue to help coordinate fixes and renovations after you move in — putting the best team on the field so your home gets the work it deserves.
Mountainside attracts families from everywhere — whether you’re relocating from NYC, Hoboken, Jersey City, another state, or even across town. What draws them is the combination: quiet, upscale borough bordering the Watchung Reservation, spacious lots, excellent schools, and a family-focused community. No matter where you’re coming from, Ryan’s background as a former licensed general contractor in NJ gives you an edge most agents can’t offer. He brings a builder’s eye to every showing — not as a contractor for hire, but as your agent who knows construction inside and out. That means he evaluates construction quality, estimates renovation costs, and identifies structural issues before you make an offer.
Mountainside is served by NJ Transit bus routes; nearest rail at Westfield or Cranford stations, providing access to New York. The commute offers a direct or connecting ride to Penn Station.
Commute Details: Train line: NJ Transit bus routes; nearest rail at Westfield or Cranford stations · Station: Nearest rail at Westfield Station (Raritan Valley Line) · Travel time: 55-70 minutes to NYC via connecting rail · Monthly pass: approximately $350 · Parking: varies by transit option.
Mountainside is part of the Mountainside Public Schools (K-8); Governor Livingston HS (Berkeley Heights), small, highly regarded K-8 district with personalized attention. The district includes Governor Livingston High School (Berkeley Heights) and highly rated elementary and middle schools including Beechwood School (K-8), Deerfield School (K-8).
Mountainside is one of Union County’s most exclusive small boroughs — just 7,000 residents enjoy spacious properties, quiet streets, and direct access to the Watchung Reservation. The borough’s two schools provide personalized K-8 education before students attend Governor Livingston High School in Berkeley Heights. Echo Lake Park and the Trailside Nature & Science Center are community treasures. Mountainside’s location provides easy access to Routes 22 and 78.
The community is deeply family-oriented — youth sports programs are a cornerstone of Mountainside life. As a football and baseball coach for Summit youth sports, Ryan Horvath is embedded in this community.
Many of Mountainside’s most desirable homes were built between 1940 and 1970. While architecturally appealing, these homes often require renovation assessment that most realtors aren’t equipped to provide. As a former licensed general contractor in New Jersey, Ryan evaluates construction quality, identifies structural concerns, and estimates renovation costs during every showing — not as a contractor for hire, but as your agent who knows construction inside and out. For sellers, this means a better understanding of how to present and price your home. For buyers, it means a better chance of catching costly surprises before you close.
And the relationship doesn’t end at closing. Ryan has a deep roster of trusted subcontractors and will continue to help coordinate fixes and renovations after you move in — putting the best team on the field so your home gets the work it deserves.
Ryan Horvath is a luxury realtor serving Mountainside NJ with Prominent Properties Sotheby’s International Realty. He works with both buyers and sellers in Mountainside and across Northern New Jersey. Ryan is also a former licensed general contractor, giving him a unique ability to evaluate homes beyond what typical agents offer.
As of early 2026, the median sale price in Mountainside is approximately $810,000, with prices up +4.9% year-over-year. Homes are selling in an average of 24 days.
Mountainside offers quiet, upscale borough bordering the Watchung Reservation, spacious lots, excellent schools, and a family-focused community. The Mountainside Public Schools (K-8); Governor Livingston HS (Berkeley Heights) is small, highly regarded K-8 district with personalized attention, making it an excellent choice for families.
Whether you’re buying, selling, or just curious — I’m happy to chat. No commitment, no pressure.