237 Mountainside Rd | Mendham Twp.

$3,248,000 | 7 Beds | 8 Baths (7 Full, 1 Half) | 7,100 Sq. Ft.

A rare opportunity to own a newly constructed luxury estate where timeless architecture meets modern living. Set on 3.607 private acres in a coveted Mendham setting, this exceptional 7-bedroom, 7 full and 1 half bath residence offers over 7,000 sq ft of beautifully finished living space. A grand foyer welcomes you to elegant formal living and dining rooms, while the chef's kitchen with an oversized center island opens to the breakfast area and impressive great room, creating an ideal space for everyday living and entertaining. The 1st floor also includes a private en-suite bedroom, suited for guests, extended stays or a home office. Upstairs, the primary suite offers dual walk-in closets and a spa-inspired bath, along with four additional en-suite bedrooms. Each bedroom has its own walk-in closet as well as a full bath. There is a spacious laundry room and an open gallery which overlooks the foyer. The finished lower level provides exceptional flexibility with a recreation room, additional bedroom, full bath and abundant storage, offering endless possibilities for a home theater, fitness studio or guest accommodations. A generous sized 3-car garage, with access to the lower level along with exceptional craftsmanship and quality finishes throughout complete this remarkable home. Brand new, never occupied and move-in ready, this residence combines the elegance and character of a traditionally inspired estate with the comfort, efficiency and peace of mind of new construction. GSMLS 4045766

Directions to property: From route 24, take Mountain Avenue by the Black Horse Pub to a left on Mountainside Rd. Property is

MLS Listing ID: 
GSMLS 4045766
Listing Status
Status of the Listing.
Listing Status: 
Active
Listing Status (Local): 
Active
Listing Status Accepting Offers: 
1
Community Information
Elementary: 
Mendham
Middle: 
Mendham
High: 
W.M.Mendha
Building Details
Details about the building on a property.
Architectural Style: 
Colonial
Year Built: 
2026
New Construction: 
1
Living Area: 
7,100
Basement: 
Finished, Full
Interior: 
Bar-Dry, Carbon Monoxide Detector, High Ceilings, Smoke Detector, Walk-In Closet
Fireplaces: 
Yes
Construction
Roof: 
Asphalt Shingle
Exterior: 
Composition Siding
Exterior Features: 
Open Porch(es), Patio
DisabilityFeatures: 
No
Energy Information: 
Electric, Gas-Natural
Porch: 
No
Deck: 
No
Room Details
Details about the rooms in the building.
Total Rooms: 
15
Total Bedrooms: 
7
Total Bathrooms: 
8
Total Full-Bathrooms: 
7
Total Half-Bathrooms: 
1
Master Bedroom 
Dimensions: 
26x29 
Level: 
Second
Second Bedroom 
Dimensions: 
17x13 
Level: 
Second
Third Bedroom 
Dimensions: 
21x16 
Level: 
Second
Fourth Bedroom 
Dimensions: 
14x23 
Level: 
Second
Dining Room 
Dimensions: 
14x17 
Level: 
First
Family Room 
Dimensions: 
17x19 
Level: 
First
Kitchen 
Dimensions: 
15x19 
Level: 
First
Living Room 
Dimensions: 
14x17 
Level: 
First
Other One 
Dimensions: 
11x21 
Level: 
First
Other Two 
Dimensions: 
14x17 
Level: 
Second
Other Three 
Dimensions: 
14x17 
Level: 
First
Other Four 
Dimensions: 
9x10 
Level: 
Second
Master Bathroom 
Level: 
Second
Utilities
Information about utilities available on the property.
Heating System: 
3 Units, Forced Hot Air
Heating System Fuel: 
Gas-Natural
Cooling System: 
3 Units, Central Air
Water Heating System: 
Gas
Water Source: 
Public Water
Sewer: 
Septic 5+ Bedroom Town Verified
Lot/Land Details
Details about the lots and land features included on the property.
Acres: 
3.6
Lot Size (Dimensions): 
3.607
Waterfront: 
0
Lot Features
Driveway: 
1 Car Width, Blacktop
Parking Type: 
1 Car Width, Blacktop
Total Parking Spaces: 
0
Garage: 
Attached Garage
Pool: 
No
Fence: 
No
Public Record
Lot Number: 
47.01
Annual Tax: 
$7,284.00
Property Zoning: 
res
Listing Dates
Dates involved in the transaction.
Listing Entry Date/Time: 
8/8/2026
Contract Details
Details about the listing contract.
Possession: 
POT
Listing Participants
Participants (agents, offices, etc.) in the transaction.
Listing Office Name: 
CENTURY 21 THE CROSSING