Last Sold Price
4 beds3,330 sqft$428/sqft
1 County Line Rd, Mendham, NJ 07945

Description

Absolutely exquisite Williamsburg Custom Colonial designed true-to-form by noted local architect William G. Halsey III to precisely embody that genteel charm & timeless historical character. Proudly sited on a private drive in a coveted & commuter-friendly Mendham Borough estate neighborhood bordering Bernardsville. 9 rooms encompassing 3,300 sq ft including 4 bedrooms, 2 full baths, powder room, 4 fireplaces, heartwarming kitchen, fabulous family room, formal living room, tasteful dining room, superb...Absolutely exquisite Williamsburg Custom Colonial designed true-to-form by noted local architect William G. Halsey III to precisely embody that genteel charm & timeless historical character. Proudly sited on a private drive in a coveted & commuter-friendly Mendham Borough estate neighborhood bordering Bernardsville. 9 rooms encompassing 3,300 sq ft including 4 bedrooms, 2 full baths, powder room, 4 fireplaces, heartwarming kitchen, fabulous family room, formal living room, tasteful dining room, superb study, and perfect primary bedroom suite, plus a sprawling, partially finished lower level with fireplace & walkout, stunning rear porch with magical views, and 2-car detached garage with loft. Brimming with special design flourishes, expert craftsmanship, and unwavering attention to detail. Breathtaking storybook setting on 5.79 total acres including 2.25 acres in Bernardsville. Public water, whole-house generator, Verizon FIOS and farm assessed.
LISTING CLOSED: 05/23/2022 12:00 AM

  1. Listed by EILEEN SCOTT • WEICHERT REALTORS

Property Details for 1 County Line Road

Status
MLS #
3768909
Days on Market
9
Taxes
$16,211 / year
HOA Fees
-
Condo/Co-op Fees
-
Property Type
MLS Type
Residential
Year Built
1985
Lot Size
5.79 AC / 252,212 SF
Style
Colonial
Directions
Rt 24 to Mendham Road to County Line- first house on Rt down private Road
Days On Market
9
Primary Style
Colonial
Section/Subdiv/Development
Estate location

Recent comparable sales

Median sold price

$1,260,000

Avg days on market

36

Sale-to-list ratio

109.1%

Mendham, NJ

9 comparable properties found

1

$970,000

Sold 06/26/26

4
Bedrooms
3,132
Square Feet
1
Acres
2

$1,585,000

Sold 03/27/26

4
Bedrooms
Unavailable
Square Feet
5.93
Acres
3

$1,500,000

Sold 11/15/24

4
Bedrooms
3,560
Square Feet
2.02
Acres
4

$1,500,000

Sold 09/19/25

4
Bedrooms
2,912
Square Feet
1.07
Acres
5

$1,150,000

Sold 02/19/26

4
Bedrooms
3,054
Square Feet
5.03
Acres
6

$1,177,000

Sold 05/14/26

4
Bedrooms
2,361
Square Feet
0.63
Acres
7

$1,310,000

Sold 02/13/26

4
Bedrooms
Unavailable
Square Feet
0.86
Acres
8

$1,350,000

Sold 02/14/25

4
Bedrooms
3,729
Square Feet
2.24
Acres
9

$1,210,000

Sold 02/06/26

4
Bedrooms
3,017
Square Feet
1.28
Acres

Location

Add your commute

Building Information for 1 County Line Road

Stories-Year Built1985Building Size-Lot Size5.79 AC / 252,212 SF

Payment Calculator

$8,594 per month

30 year fixed, 6.55% Interest

Principal and Interest

$7,243

Property Taxes

$1,351

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 1 County Line Road

Summary
Location and General Information
  • Zoning: residential
  • Middle/Jr High School: MT.View
  • Grade School: Hilltop
  • High School: Mendham
  • Active Days on Market: 9
  • Renovated Year: 2014
  • County #: Morris
  • Town Name: Mendham Boro
  • Community Living: No
  • Block Identifier: 2401
  • Listing Type: Exclusive Right to Sell
  • Color of Building: white
  • Town #: 2319.0
  • Street # Display: 1.0
  • In-Law Suite: No
  • County Or Parish: Morris
  • Street Name: County Line Rd
  • Zip Code: 07945-2801
Taxes and HOA Information
  • Assess Amt Bldg Tax: *
  • Block ID Tax: *
  • County Code Tax: *
  • County Tax: *
  • Tax Amount: $16,211
  • Street name Tax: *
  • Zip Code Tax: *
  • Street # Tax: *
  • City Code Tax: *
  • City Tax: *
  • Assessment Total: 692200.0
  • Tax ID For Property: 2318-02401-0000-00002-0000-
  • Tax Id Tax: *
  • Tax Rate Amount: $2
  • Tax Rate Tax: *
  • Tax Rate Year: 2021
  • Tax Year: 2021
  • Tax Year Tax: *
  • Lot ID Tax: *
Parking
  • Parking/Driveway Description: 1 Car Width, Circular, Gravel
  • # Garage Spaces: 2
  • Garage Description: Additional 1/2 Car Garage, Detached Garage
Property
Lot Information
  • Appliances: CarbMDet, CookElec, Dishwshr, Dryer, GenBltIn, Refrig, OvnWElec, Washer
  • Approx Sq Ft: 3330.0
  • Lot Description: Level Lot, Private Road, Wooded Lot
  • Lot Identifier: 2
  • Approximate Lot Size: 5.79
  • Total Acres: 5.79
  • Construction Date/Year Built: 1985
  • Construction Date/Year Built Des: Renovated
Property and Assessments
  • Assessment Bldg: 359200.0
  • Assessment Land: 333000.0
  • Farm Assessment: Yes
Utilities
  • Cooling: 2 Units, Central Air
  • Services: Cable TV Available, Fiber Optic, Garbage Extra Charge
  • Utilities: Electric, Gas-Natural
  • Water: Public Water
  • Water Heater: Gas
  • Handicap Modified: No
  • Heating: 1 Unit, Baseboard - Hotwater
  • Fuel Type: Gas-Natural
  • Sewer: Septic 4 Bedroom Town Verified
Interior and Exterior Features
Exterior Features
  • Pool: No
  • Exterior Description: Wood
  • Exterior Features: Open Porch(es), Patio
Interior Features
  • Interior Features: CODetect, FireExtg, CeilHigh, SmokeDet, StallShw, TubShowr, WlkInCls
  • Flooring: Tile, Wood
  • Roof Description: Asphalt Shingle
  • Basement: Yes
  • Basement Description: Full, Walkout
  • Primary Bath Features: Stall Shower
  • # Baths: 2.1
  • # Full Baths: 2
  • # Half Baths: 1
  • Bedroom 1 Level: Second
  • Bedroom 1 Dim: 17x14
  • Bedroom 2 Level: Second
  • Bedroom 2 Dim: 17x11
  • Bedroom 3 Level: Second
  • Bedroom 3 Dim: 17x11
  • Bedroom 4 Level: Second
  • Bedroom 4 Dim: 14x11
  • # Bedrooms: 4
  • Dining Room Dim: 17x14
  • Easement Desc: utility
  • Easement: Yes
  • Family Room Dim: 17x21
  • Fireplace Desc: Family Room, Library, Living Room, Rec Room, Wood Burning
  • # Fireplaces: 4
  • Kitchen Dim: 15x19
  • Kitchen Area: Center Island, Eat-In Kitchen, Separate Dining Area
  • Kitchen Level: First
  • Basement Level Rooms: Rec Room, Utility Room, Walkout
  • Den Dim: 17x13
  • Den Level: First
  • Living Room Dim: 17x17
  • Dining Area: Formal Dining Room
  • Dining Room Level: First
  • Family Room Level: First
  • Other Room 1 Dim: 8x9
  • Other Room 2 Dim: 9x31
  • Living Room Level: First
  • Level 1 Rooms: Den, Dining Room, Family Room, Foyer, Kitchen, Laundry Room, Living Room, Powder Room
  • Level 2 Rooms: 4 Or More Bedrooms, Bath Main, Bath(s) Other
  • Level 3 Rooms: Attic
  • Master Bedroom Desc: Full Bath
  • # Rooms: 9
  • Other Room 3: MudRoom
  • Other Room 1 Level: First
  • Other Room 4: Foyer
  • Other Room 2 Level: First
Rental
Rental Information
  • Home Warranty: false

Property History for 1 County Line Road

DateEvent & SourcePriceAppreciation
May 23, 2022

Sold

GSMLS #3768909

$1,425,000
Mar 14, 2022

Listed (Active)

GSMLS #3768909

$1,250,000
DateEvent & SourcePrice
05/23/2022

Sold

GSMLS #3768909

$1,425,000
03/14/2022

Listed (Active)

GSMLS #3768909

$1,250,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 1 County Line Road

Taxable ValueLand$332,500Additions$359,200Total$691,700
Tax Record2024$17,016 ($1,418 / month)
Home Facts
Total Finished SqFt3,331 SqFtAbove Grade Finished SqFt3,331 SqFtLot Size21,780 SqFtStyleFarmsYear Built1985Year Renovated1985Zoning5-ACCountyMORRISAPN18-02401-0000-00002

Schools near 1 County Line Road

This home is within West Morris Regional High School District.
Rating
School
Type
Grades
Distance
Public - PK to 4
Public - 5 to 8
Public - 9 to 12
Public - 9 to 12
Rating
School
Distance
Hilltop School
PublicPK to 4

Mountain View Middle School
Public5 to 8

West Morris Mendham High School
Public9 to 12

West Morris Central High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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Nearby home values

AddressSold priceBedsBathsSqftLot (Sqft)
This home: 1 County Line Road, Mendham, NJ 07945
$1,425,000
4
3,330
252,212
7,447
43,560
$1,121,275
4
$4,675,000
6
202,554
$6,100,000
7
635,104
$1,810,000
3,544
227,383

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of WEICHERT REALTORS, EILEEN SCOTT

The data relating to the real estate for sale on this website comes in part from the Internet Data Exchange Program of the NJMLS. Real estate listings held by brokerage firms other than (insert office name) aremarked with the Internet Data Exchange logo and information about them includes the name of the listing brokers. Some properties listed with the participating brokers do not appear on this website at the request of the seller. Listings of brokers that do not participate in Internet Data Exchange do not appear on this website. All information deemed reliable but not guaranteed. Last date updated: 08/24/2026 11:36 AM. Source: New Jersey Multiple Listing Service, Inc. © 2026 New Jersey Multiple Listing Service, Inc. All rights. The data relating to the real estate for sale and sold listing information on this website comes from the New Jersey Multiple Listing Service, Inc. Virtual Office Website (VOW) program. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. Sold listings may have been listed and/or sold by a real estate brokerage other than (insert office name). All information deemed reliable but not guaranteed. NLMLS makes no representation or warranty regarding the accuracy of the data. This data and information is protected under federal copyright laws which prohibit the unauthorized copying or alternation of all or any part of copyrighted materials, including certain compilations of data and information. Copyright violators may be subject to severe fines and penalties under federal law. Source: New Jersey Multiple Listing Service Inc. Last date updated: 08/24/2026 11:36 AM © 2026 New Jersey Multiple Listing Service Inc. All rights reserved.