3 days on Rocket
#3958951, Listing Office: KL SOTHEBY'S INT'L. REALTY
$3,800,000 List price
4 County Line Rd Mendham Boro, NJ 07945
5 beds
6 full, 4 partial
9,282 sqft
5.0 acres
$409 / sqft
House
Property details
About 4 County Line Rd
Surrounded by nature, this 22-room custom built estate with 5 bedrooms, 6 full and 4 half baths is a welcoming oasis. From first glimpse, a discerning buyer will be impressed with the architectural features and attention to detail in this elegant home. This magnificent estate boasts a gracious foyer with curved staircase, copious custom millwork and cabinetry, French doors, and beautiful windows with transoms. A stunning main suite with sitting and dressing rooms, walk-in closet, handsome great room with bar, three fireplaces, and superb kitchen with 2 islands are some of the many outstanding quality features. A mirrored workout area on the third level and walk-out lower level with game room, recreation room, baths and 2 wine cellars are added amenities. While relaxing on the spacious stone terrace, enjoy the views of the beautiful perennial gardens, freeform pool and spa. A 4-car finished garage with custom built-ins and amazing detailed woodwork completes this 4.98-acre private estate. Take advantage of this rare opportunity to live in luxury in this highly sought after location. Peter Dorne, Architect and builder for expansions and renovations.
Highlights
Home typeSingle Family Residence
HeatingForced Air, Zoned, Natural Gas
StatusActive
CoolingCeiling Fan(s), Central Air
Size9,282 sqft
BasementYes
Lot size4.98 Acres
Year built1989
ParkingAdditional Parking, Blacktop, Paver Block, Attached,Built-In,Finished,DoorOpnr,InEntrnc,SeeRem
MLS #3958961
Attached garage4 spaces
FireplaceBedroom 1, Dining Room, Gas Fireplace, Great Room, Wood Burning
Private poolYes
Summary
- Partial Bathrooms: 4
- Full Bathrooms: 6
- Appliances: Central Vacuum, Dishwasher, Dryer, Microwave, Gas Range, Gas Oven, Refrigerator, Other, Washer, Wine Cooler
- Basement: Yes
- Flooring Type: Stone, Tile, Wood
- Interior: BarWet, CeilBeam, Blinds, CODetect, CedrClst, CeilHigh, SmokeDet, SoakTub, StallShw, StallTub, WlkInCls
- Fireplace: Bedroom 1, Dining Room, Gas Fireplace, Great Room, Wood Burning
- Total Bedroom Count: 5
- Garage Space: 4 spaces
- Attached Garage: Yes
- Private Pool: Yes
- Parking: Additional Parking, Blacktop, Paver Block, Attached,Built-In,Finished,DoorOpnr,InEntrnc,SeeRem
- Exterior: Barbeque, Patio, Storage Shed, Thermal Windows/Doors, Underground Lawn Sprinkler
- Architectural Style: Colonial, Custom Home
- Heating: Forced Air, Zoned, Natural Gas
- Cooling: Ceiling Fan(s), Central Air
- List Price: $3,800,000
- Price/SqFt: $409
- Lot: Level, Open Lot, Private
- Directions: From RT 24 (Main St. in Mendham) to Hilltop Rd., becomes Bernardsville Rd. to left on County Line Rd. (private Rd.), house on left.
- Year Built: 1989
- Living Area: 9,282 SqFt
- Lot Size: 4.98 Acres
- MLS Number: 3958961
- Office Name: COLDWELL BANKER REALTY
- Office Phone: (973) 214-7553
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Last updated on: 4/29/2025, 1:55:47 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
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Price information
Property sales
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Tax history
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Nearby schools
4
Hilltop School
Public District PK-4
1.6 mi
•12 Hilltop Rd
7
Marion T. Bedwell Elementary School
Public District PK-4
1.8 mi
•141 Seney Dr
9
Mendham Township Elementary School
Public District PK-4
2.9 mi
•18 West Main Street
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $148,684. Most Mendham Boro, NJ residents have annual incomes $200k+. The majority of families are married, no kids. The most common level of education of people living in this area is post secondary degree.
How much money do the neighbors make?
7%
<35k
22%
35k-100k
29%
100k-200k
42%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
Doctorate
What types of families live nearby?
22%
Single, No Kids
3%
Single, with Kids
39%
Married, No Kids
36%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
15%
<11 yrs old
12%
12-17 yrs old
10%
18-34 yrs old
47%
35-64 yrs old
16%
65+ yrs old
What do the neighbors do for fun?
Skiing/snowboarding
PGA/LPGA
College Football
Where do the neighbors shop?
BJs Wholesale Club
Stein Mart
Best Buy
Where do the neighbors go to eat?
Panera
Cracker Barrel
Bob Evans
What do the neighbors drive?
Infiniti
Lexus
Lincoln
What do the neighbors listen to?
Adult Hits
Oldies
News/Talk/Information
All data provided by Home Junction and Claritas
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Frequently asked questions
About 4 County Line Rd
The listing price of 4 County Line Rd property is $3,800,000.
The property 4 County Line Rd is a house located in Mendham Boro, New Jersey, 07945.
Active Listing: 4 County Line Rd is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 4 County Line Rd are: Hilltop School (GreatSchools Rating 4/10), Marion T. Bedwell Elementary School (GreatSchools Rating 7/10), Mendham Township Elementary School (GreatSchools Rating 9/10), Bernardsville Middle School (GreatSchools Rating 7/10), Mountain View School (GreatSchools Rating 10/10), Mendham Township Middle School (GreatSchools Rating 10/10), West Morris Mendham High School (GreatSchools Rating 8/10), Bernards High School (GreatSchools Rating 6/10), Ridge High School (GreatSchools Rating 8/10).
The property at 4 County Line Rd has 5 bedrooms and 6 full and 4 half bathrooms.
The property 4 County Line Rd is 9,282 SqFt (source: MLS/tax record).
The year of construction for 4 County Line Rd is 1989.
This home is located at 4 County Line Rd in Mendham Boro, NJ and zip code 07945. This 9,282 square foot home, which was built in 1989, sits on a 4.98 acre lot. Features: 5 bedrooms, 10 bathrooms. It has been listed on Rocket Homes since April 25, 2025 and is currently priced at $3,800,000.
In March 2025 more than 4 listings in Mendham Boro, NJ were sold above the asking price. During the same period more than 0 listings were sold at asking price, while more than 2 were sold below. The inventory of homes for sale in Mendham Boro, NJ between February and March 2025 increased by 79.2%.
From Rocket Homes Real Estate and based on county public records data.