355 Ackerman St, Mountainside Boro, NJ 07092

• 5 beds |
• 3 baths |
• 4,063 sqft

Property Description

Set on nearly half an acre with a private wooded backdrop, steps from Watchung Reservation, this extensively rebuilt custom home offers soaring ceilings, abundant natural light & picturesque views. This approx. 4,063 sq ft home showcases the craftsmanship & attention to detail of Heubach Builders. Natural light pours into the vaulted great room with a gas fireplace & custom built-ins. The designer kitchen features an expansive island, Thermador appliances & premium finishes. Off the dining area, a 364 sq ft TimberTech deck overlooks the yard and mature trees. Privately situated, the primary suite features vaulted ceilings, wooded views, 2 walk in closets and a spa-like bath with separate water closet, and makeup vanity. 3 additional bedrooms and main-level laundry support easy one-floor living, while custom closet systems throughout maximize storage. An expansive lower level offers flexible living space for guests, entertaining, or an in-law suite. This includes a family room with yard access, full bath, 5th bedroom, office or 6th bedroom, 2nd laundry room, finished storage room, and mud room. Finally, a fully finished, natural light filled 20x20 flex space, adds even more versatility. New HVAC, electric, plumbing & Andersen windows. Near parks, shopping & NYC transit. BUYER FINANCING INCENTIVE: Seller-funded 2-1 mortgage rate buydown offers qualified buyers meaningful monthly pymt savings during the first 2 years of homeownership. Images of yard are AI renderings.

Listing Status:

Active

Data Last Updated:

October 26, 2026 at 7:40PM

Listing Office:

KELLER WILLIAMS REALTY : 908-273-2991

MLS ID:

4057460

Interior

• General: BidetCeilHighStallTubStereoSyWlkInCls
• Master Bedroom: 1st FloorFull BathWalk-In Closet
• Master Bath: Stall Shower
• Kitchen: Eat-In Kitchen
• Appliances: DishwasherKitchen Exhaust FanRange/Oven-GasRefrigeratorWall Oven(s) - GasWine Refrigerator
• Dining: Living/Dining Combo
• Flooring: TileWood
• A/C: 4+ UnitsCentral AirDuctless Split ACMulti-Zone Cooling
• Heating: 4+ UnitsForced Hot AirSee RemarksGas-Natural
• Fireplace: Gas FireplaceGreat RoomFireplaces: 1
• Disability Feature: None

Exterior

• General: Composition SidingVinyl SidingDeckOpen Porch(es)Thermal Windows/Doors
• Style: Custom Home

Construction

• Roofing: Asphalt Shingle

Location

• County: Union

Lot

• Driveway: 1 Car Width2 Car WidthBlacktop
• Zoning: 2910-00003-0010-00001-0000-

Utilities

• Utilities: ElectricGas-Natural
• Water: Public Water
• Sewer: Public Sewer