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4 County Line Rd, 
Mendham Boro, NJ 07945

$3,800,000


5

Beds


10

Baths


9,282

Sq Ft


Single Family

Active

973-543-2552

Last updated:

April 28, 2025, 10:06 AM

MLS#

3958961

Source:

NJ GSMLS

Company Logo

About This Home

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.

Home Facts

Single Family

10 Baths

5 Bedrooms

Built in 1989

Price Summary

3,800,000

$409 per Sq. Ft.

MLS #:

3958961

Last Updated:

April 28, 2025, 10:06 AM

Added:

7 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

10

Full Bathrooms:

6

Interior

Living Area:

9,282 Sq. Ft.


Structure

Structure

Architectural Style:

Colonial, Custom Home

Year Built:

1989


Lot

Lot Size (Sq. Ft):

216,928


Finances & Disclosures

Finances

Price:

$3,800,000

Price per Sq. Ft:

$409 per Sq. Ft.

4 County Line Rd
Source:NJ GSMLS
The data relating to real estate for sale on this website comes in part from the IDX Program of Garden State Multiple Listing Service, L.L.C. Real estate listings held by other brokerage firms are marked as IDX Listing. Information deemed reliable but not guaranteed. 2025 Garden State Multiple Listing Service, L.L.C. All rights reserved. Notice: The dissemination of listings on this website does not constitute the consent required by N.J.A.C. 11:5.6.1 (n) for the advertisement of listings exclusively for sale by another broker. Any such consent must be obtained in writing from the listing broker. This information is being 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. Date Last Updated April 28, 2025

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Contact an Agent

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By clicking Contact I agree a Coldwell Banker Agent may contact me by phone or text message including by automated means and prerecorded messages about real estate services, and that I can access real estate services without providing my phone number. I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.