4 County Line Rd

Mendham Boro, NJ
$ 3,900,000 Beds 5 Baths 8 Sq 9,282
Monthly Estimate* How much can I afford?

Do not approach the home without an appointment. Showings will begin Thursday 3/10.This beautiful custom Colonial home sits on a private road in Mendham Borough that borders Mendham and Bernardsville. This is a home for entertaining and impressing with extensive custom finishes, built-in cabinetry, and woodwork throughout. The primary suite has several luxury features- an oversized dressing room, a second large walk-in closet, and sitting room. The property backs up to Horseshoe Bend Rd, which can be accessed through the back gate for taking long walks. Other features include 3 gas-fueled wood-burning fireplaces, all high-end appliances, a large great room with full bar, two wine cellars, and a full finished walkout basement. In addition, there is a guest suite removed from the owners area which provides a wet bar, a full bath with steam shower, and a large walk-in closet. The finished attic was designed as a workout space with framed mirrored walls. the custom terrace looks over the pool area and gardens.

Single Family

  • Price
  • $ 3,900,000
  • City
  • Mendham Boro
  • Bedrooms
  • 5
  • Full Bathrooms
  • 6
  • County
  • Half Bathrooms
  • 4
  • Area
  • Mendham Boro
  • Lot Size
  • 4.98 Acres
  • Zip
  • 07945
  • Sqr Footage
  • 9,282
  • Year Built
  • 1989
  • Taxes
  • $ 51524
  • Style
  • Custom Home, Colonial
  • MLS#
  • 3767033
Data Source: Garden State MLS (GSMLS)



Accessibility No
Appliances Central Vacuum, Dishwasher, Dryer, Freezer-Freestanding, Generator-Built-In, Microwave Oven, Range/Oven-Gas, Refrigerator, Self Cleaning Oven, Wall Oven(s) - Electric, Washer, Water Filter, Water Softener-Own
Architectural Style Custom Home, Colonial
Basement Finished, French Drain, Full, Walkout
Community Living No
Cooling Ceiling Fan, Central Air, Multi-Zone Cooling
Drive Additional Parking, Blacktop, Paver Block
Exterior Features Barbeque, Patio, Storage Shed, Thermal Windows/Doors, Underground Lawn Sprinkler
Garage Built-In, Finished, DoorOpnr, InEntrnc
Garage Spaces, Detached Garage 4
Heating Forced Hot Air, Multi-Zone
Interior Features BarWet, CeilBeam, CeilCath, Drapes, CeilHigh, Intercom, Shades, SoakTub, StallShw, StallTub, Steam, WndwTret
Other Level Rooms Additional Bathroom, Additional Bedroom
Pool Features Heated, In-Ground Pool, Outdoor Pool
Pool Y/N Yes
Primary Style Custom Home
Roof Metal, Wood Shingle
Sewer Septic 5+ Bedroom Town Verified
Sub Property Type Single Family
Tax Annual Amount 51524
Town # 2319
Township Mendham Boro
Utilities Electric, Gas-Natural
Water Heater Gas

Interior Features

Den Dimensions 16x18
Den Level First
Dining Room Level First
Family Room Level Second
Fireplace Features Bedroom 1, Dining Room, Gas Fireplace, Great Room, Wood Burning
Flooring Wood
Fuel Type Gas-Natural
In-Law Suite Yes
In-Law Suite Description Bedroom 1, Full Bath, Other
Kitchen Dimensions 29x12
Kitchen Features Breakfast Bar, Center Island, Pantry, Separate Dining Area
Kitchen Level First
Level 1 Rooms Breakfst, DiningRm, GarEnter, GreatRm, Kitchen, LivingRm, MudRoom, Office, PowderRm, SittngRm
Level 2 Rooms 4 Or More Bedrooms, Family Room, Laundry Room, Powder Room
Level 3 Rooms Attic, Exercise Room, Storage Room
Living Room Level First
Master Bath Features Stall Shower And Tub
Other Room 1 Level First
Other Room 2 Level First
Other Room 3 Level First
Other Room 4 Level First
Roombed1dimensions 19x28
Roombed1features Dressing Room, Fireplace, Full Bath, Sitting Room, Walk-In Closet
Roombed1level Second
Roombed2dimensions 15x14
Roombed2level Second
Roombed3dimensions 13x21
Roombed3level Second
Roombed4dimensions 13x21
Roombed4level Second
Roomdiningdimensions 16x6
Roomdiningfeatures Formal Dining Room
Roomlivingdimensions 15x19
Roomother1description SittngRm
Roomother1dimensions 14x10
Roomother2description Office
Roomother2dimensions 16x17
Roomother3description Foyer
Roomother3dimensions 11x10
Roomother4description Breakfast
Roomother4dimensions 11x17
Total Fireplaces 3

Exterior Features

Exterior Description Stone, Wood Shingle
Lot Dimensions 4.980 AC
Lot Features Open Lot, Private Road, Wooded Lot
Water Source Well


  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator


Per Month

Based on the average sale price from the Bedminster, NJ office

  • Monthly Principal & interest $2,268
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
Agent Photo

Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 5.875% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.


Elementary School Hilltop Elementary School
Middle School MT.View Middle School
High School W.M.Mendham High School

Price History

3/3/2022 Listed $3,900,000

Property vs Zip Code Average in 07945

AVG $1.52M
AVG $24,643
AVG 135
Year Built
AVG 1967


4 County Line Rd Mendham Boro, NJ is a Single Family Home for sale at $3900000 with 9282 sqft and a lot size of 4.98 Acres Acre(s). 4 County Line Rd Mendham Boro has 5 bedrooms, 6 baths and was built in 1989. The property's zip code is 07945 which is in Mendham Boro, NJ

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 5.875% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided 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.