• buy
  • rent
  • sell
  • agents
new developmentWORLD OF ELLIMAN
The latest in luxury property, lifestyle & culture, curated just for you.

company

  • about us
  • leadership
  • offices
  • press & news
  • elliman cares
  • join as an agent
  • careers
  • INTERNATIONAL PARTNERSHIP
  • THE ISLES GROUP
  • investors

resources

  • WORLD OF ELLIMAN
  • elliman insider
  • magazines
  • market reports
  • research reports
  • The wealth report
  • Elliman Exclusives
  • Featured Cities
  • guides to buying & selling

brand portfolio

  • new development
  • commercial
  • relocation
  • property management
  • sports & entertainment
  • farm & ranch
  • building broker specialists
  • title services
  • master trust & probate

  • California
  • Colorado
  • Connecticut
  • Florida
  • Massachusetts
  • Mid-Atlantic
  • Nevada
  • New Jersey
  • New York
  • New York City
  • Texas
  • Vermont
  • SITE MAP
  • TERMS
  • PRIVACY
  • COOKIE PREFERENCES
  • DO NOT SELL OR SHARE MY PERSONAL INFORMATION
  • NYS Housing Discrimination Disclosure Notice & Form
  • NYS Standard Operating Procedure
  • NYS Tenants' Rights to Reasonable Accommodations for persons with disabilities
  • California Consumer Privacy Act Notice
  • Texas Consumer Protection Notice
  • Texas Real Estate Commission Information About Brokerage Services
  • text of new york city human rights law
  • new york city commission on human rights
  • nyc source of income discrimination information
  • nyc source of income discrimination tenant faqs

THE SOURCE OF THE DISPLAYED DATA IS EITHER THE PROPERTY OWNER OR PUBLIC RECORD PROVIDED BY NON-GOVERNMENTAL THIRD PARTIES. IT IS BELIEVED TO BE RELIABLE BUT NOT GUARANTEED. FOR COLORADO VIEWERS, INFORMATION ABOUT NON-COMMERCIAL PROPERTIES IS PROVIDED EXCLUSIVELY FOR YOUR PERSONAL, NON-COMMERCIAL USE.

575 MADISON AVENUE, NEW YORK, NY 10022. 212.891.7000 © 2025 DOUGLAS ELLIMAN REAL ESTATE. EQUAL EMPLOYMENT OPPORTUNITY PROVIDER. ALL MATERIAL PRESENTED HEREIN IS INTENDED FOR INFORMATION PURPOSES ONLY. WHILE THIS INFORMATION IS BELIEVED TO BE CORRECT, IT IS REPRESENTED SUBJECT TO ERRORS, OMISSIONS, CHANGES, OR WITHDRAWAL WITHOUT NOTICE. ALL PROPERTY INFORMATION, INCLUDING, BUT NOT LIMITED TO SQUARE FOOTAGE, ROOM COUNT, NUMBER OF BEDROOMS, AND THE SCHOOL DISTRICT IN PROPERTY LISTINGS SHOULD BE VERIFIED BY YOUR OWN ATTORNEY, ARCHITECT, OR ZONING EXPERT. EQUAL HOUSING OPPORTUNITY.LISTING DATA REFRESHED ON MAY 22 2025 AT 9:24 AM.

DOUGLAS ELLIMAN IS A LICENSED REAL ESTATE BROKER IN CALIFORNIA WITH LICENSE # 01947727, COLORADO WITH LICENSE # EC100053892, CONNECTICUT WITH LICENSE # REB.0314827, THE DISTRICT OF COLUMBIA WITH LICENSE # REO40000160, FLORIDA WITH LICENSE # CQ1020232, MARYLAND WITH LICENSE # 645270, MASSACHUSETTS WITH LICENSE # 422764, NEVADA WITH LICENSE # 1454643, NEW JERSEY WITH LICENSE # 0572105, NEW YORK WITH LICENSE # 10991211812, TEXAS WITH LICENSE # 9008706, AND VIRGINIA WITH LICENSE # 0226035659.

POWERED BY PURLIN.AI

4 County Line Rd

mendham, NJ 07945-2801

$3,800,000

  • 5 BR
    6 BA, 4 HALF BA
    APPROX. 9,282 SF

INTERESTED? LET'S CONNECT

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.

Details

9,282 Sq Ft

4.98 Private Acres Exterior Space

Single Family Home

$54,120 Annual Tax

Built in 1989

MLS/Listing ID 3958961

Amenities & Features

Wine Refrigerator

Style - Colonial

Cooling - Central Air

Barbecue

Patio

Dining Room Fireplace

Great Room Fireplace

Wood Burning Fireplace

Lot - Open Lot

Pool - Heated

Pool - Outdoor

Washer

Refrigerator

Dryer

Dishwasher

Metal

Listing Courtesy of COLDWELL BANKER REALTY, FLOR THOMAS

GSMLS

Source of Data: GARDEN STATE MLS

Interested in 4 County Line Rd?