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Open: Sun 1pm-3pm
Active
$3,248,000
7beds
7,100sqft

237 Mountainside Rd, Mendham Twp., NJ 07945

7beds
7,100sqft
Single family residence
Built in 2026
3.60 Acres
3 Attached garage spaces
$457 price/sqft

What's special

Four additional en-suite bedroomsSpacious laundry roomGrand foyerSpa-inspired bathImpressive great roomBreakfast area

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.

46 days
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2,286
|
110
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Source: GSMLS,MLS#: 4045766MLS Logo
Travel times

Family Room

Kitchen

Primary Bedroom

Zillow last checked:

Listing updated:

Listed by:

Jacqueline Haynes 973-227-7000,

Century 21 The Crossing

Source: GSMLS,MLS#: 4045766MLS Logo

Facts & features

Interior

Bedrooms & bathrooms
  • Bedrooms: 7
  • Bathrooms: 8
  • Full bathrooms: 7
  • 1/2 bathrooms: 1
Primary bedroom
  • Description: Full Bath, Walk-In Closet
Bedroom 1
  • Level: Second
  • Area: 754
  • Dimensions: 26 x 29
Bedroom 2
  • Level: Second
  • Area: 221
  • Dimensions: 17 x 13
Bedroom 3
  • Level: Second
  • Area: 336
  • Dimensions: 21 x 16
Bedroom 4
  • Level: Second
  • Area: 322
  • Dimensions: 14 x 23
Bedroom 5
  • Area: 238
  • Dimensions: 14 x 17
Primary bathroom
  • Features: Stall Shower And Tub
Dining room
  • Features: Formal Dining Room
  • Level: First
  • Area: 238
  • Dimensions: 14 x 17
Family room
  • Level: First
  • Area: 323
  • Dimensions: 17 x 19
Kitchen
  • Features: Kitchen Island, Eat-in Kitchen, Pantry, See Remarks, Separate Dining Area
  • Level: First
  • Area: 285
  • Dimensions: 15 x 19
Living room
  • Level: First
  • Area: 238
  • Dimensions: 14 x 17
Basement
  • Features: 1Bedroom, Leisure, RecRoom
Heating
  • 3 Units, Forced Air, Natural Gas
Cooling
  • 3 Units, Central Air
Appliances
  • Included: Dishwasher, Dryer, Kitchen Exhaust Fan, Microwave, Range/Oven-Gas, Refrigerator, Washer, Gas Water Heater
  • Laundry: Laundry Room, Level 2
Features
  • Breakfast, Bedroom
  • Flooring: Wood
  • Basement: Yes,Finished,Full
  • Number of fireplaces: 1
  • Fireplace features: Family Room, Gas
Interior area
  • Total structure area: 7,100
  • Total interior livable area: 7,100 sqft

Property

Parking
  • Total spaces: 3
  • Parking features: 1 Car Width, Asphalt, Attached Garage
  • Attached garage spaces: 3
Features
  • Patio & porch: Open Porch(es), Patio
Lot
  • Size: 3.6 Acres
  • Dimensions: 3.607
  • Features: Level
Details
  • Zoning description: res

Construction

Type & style
  • Home type: SingleFamily
  • Architectural style: Colonial
  • Property subtype: Single Family Residence
Materials
  • Composition Siding
  • Roof: Asphalt Shingle
Condition
  • Under Construction
  • New construction: Yes
  • Year built: 2026

Utilities & green energy

  • Gas: Gas-Natural
  • Sewer: Septic 5+ Bedroom Town Verified
  • Water: Public
  • Utilities for property: Electricity Connected, Natural Gas Connected, Cable Available, Garbage Extra Charge

Community & HOA

Location
  • Region: Mendham

Financial & listing details

  • Price per square foot: $457/sqft
  • Annual tax amount: $7,284
  • Date on market: 8/8/2026
  • Ownership type: Fee Simple
  • Electric utility on property: Yes

Price history

DateEventPrice
8/8/2026Listed for sale$3,248,000$457/sqft
Source: GSMLS #4045766 Report a problem

Public tax history

Tax history is unavailable.

Monthly payment

Est. payment
$22,819/mo
Principal & interest
$17947
Property taxes
$4872
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Estimated market value

Not available

Estimated sales range

Not available

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Climate risks

Explore flood, wildfire, and other predictive climate risk information for this property on First Street®️.

Neighborhood: 07945

Nearby schools

Mendham Twp Elementary School
Grades PK-42.3 miles
9/10
GreatSchools® Rating
Test Score Rating
10/10
Student Progress Rating
6/10
Mendham Twp Middle School
Grades 5-83.5 miles
9/10
GreatSchools® Rating
Test Score Rating
10/10
Student Progress Rating
8/10
West Morris Mendham High School
Grades 9-121.5 miles
10/10
GreatSchools® Rating
Test Score Rating
9/10
College Readiness Rating
10/10

Open house

  • Sun, Sep 27

    1:00 PM - 3:00 PM

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