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Somerset
4 MASON HILL ROAD
$7,495,000
↓ $855K (10.2%)
● House - For Sale

4 MASON HILL ROAD

Warren Twp., NJ 07059
bedrooms
5 Beds
bathrooms
6 Baths, 3 Half Baths
$43,197
Est. Monthly

About This Property

An architectural masterpiece by Jeffrey A. Beer A.I.A., this extraordinary estate is a bold statement in design and innovation. Conceived as both a sanctuary and a showcase, it blends state-of-the-art engineering with artisanal craftsmanship to redefine modern luxury living. From the moment you enter the grand foyer, soaring ceilings and walls of glass create an atmosphere of drama and elegance. Every room showcases uncompromising detail, from a chef's kitchen blending function and artistry to expansive spaces for both intimate and grand gatherings. Exceptional amenities set this residence apart, including a 75-foot custom firing lane, elevator to all levels, and an indoor pool and spa for year-round leisure. A cinematic theater, sprawling recreation rooms and dual outdoor kitchens with patios make this an entertainer's dream. Smart home systems manage lighting, climate, security, audio and automated window treatments with precision to ensure comfort and control at every turn. The private quarters are equally impressive. Four upstairs bedrooms each offer en suite baths to provide a perfect blend of luxury and privacy, while the main level primary suite is an oasis of tranquility, meticulously customized with the finest finishes. Every detail, from materials to proportions, reveals the vision of a master architect. More than a home, this residence is a living work of art that embodies bold design and timeless character, unlike anything else on the market.
Unit Size
-
Days on Market
-
Land Size
7.09 acres
Price per sqft
-
Property Type
House
Property Taxes
$6,395
HOA Dues
-
Year Built
-

Listed By

Anthony Lopez Jr.
Olymp US Realty Group, LLC

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Last updated: 2 months ago (GSMLS #4031547)

Price History

Date / Event Date Event Price
Aug 21, 2026 Price Decreased $7,495,000
↓ $855K (10.2%)
Price Decreased
Jul 18, 2026 Relisted $8,350,000
Relisted
Jul 1, 2026 In contract -
In contract
Jun 1, 2026 Listed by SERHANT NEW JERSEY LLC $8,350,000
Listed by SERHANT NEW JERSEY LLC
Sep 24, 2025 Listed by SERHANT NEW JERSEY LLC $8,950,000
Listed by SERHANT NEW JERSEY LLC
An architectural masterpiece by Jeffrey A. Beer A.I.A., this extraordinary estate is a bold statement in design and innovation. Conceived as both a sanctuary and a showcase, it blends state-of-the-art engineering with artisanal craftsmanship to redefine modern luxury living. From the moment you enter the grand foyer, soaring ceilings and walls of glass create an atmosphere of drama and elegance. Every room showcases uncompromising detail, from a chef's kitchen blending function and artistry to expansive spaces for both intimate and grand gatherings. Exceptional amenities set this residence apart, including a 75-foot custom firing lane, elevator to all levels, and an indoor pool and spa for year-round leisure. A cinematic theater, sprawling recreation rooms and dual outdoor kitchens with patios make this an entertainer's dream. Smart home systems manage lighting, climate, security, audio and automated window treatments with precision to ensure comfort and control at every turn. The private quarters are equally impressive. Four upstairs bedrooms each offer en suite baths to provide a perfect blend of luxury and privacy, while the main level primary suite is an oasis of tranquility, meticulously customized with the finest finishes. Every detail, from materials to proportions, reveals the vision of a master architect. More than a home, this residence is a living work of art that embodies bold design and timeless character, unlike anything else on the market.

Property Highlights

Elevator
Garage
Air Conditioning
Fireplace
Parking Details
Has Garage
Parking Features: Garage Door Opener, Oversized
Garage Spaces: 4
Interior Details
Half Bathrooms: 3
Full Bathrooms: 6
Interior Features: Elevator, BarWet, CeilBeam, CODetect, CeilHigh, SecurSys, Shades, SmokeDet, StereoSy, WlkInCls, WndwTret
Appliances: Dishwasher, Dryer, Free-Standing Freezer, Instant Hot Water, Exhaust Fan, Microwave, Refrigerator, Washer, Wine Refrigerator, Carbon Monoxide Detector, Generator-Built-In, Sump Pump
Flooring Type: Wood
Rooms: 26
Has Fireplace
Fireplace Features: Gas, Living Room, Bedroom, Bedroom 1
Fireplaces: 2
Basement: Finished, Walk-Out Access
Exterior Details
Architectural Style: Colonial
Year Built: 2020
Window Features: Skylight(s)
Construction Materials: Stone, Stucco
Patio and Porch Features: Patio
Pool Features: Heated, Indoor
Pool is Private
Lot Features: Cul-De-Sac
Lot Size Area: 308840.4
Lot Size Units: Square Feet
Lot Size Acres: 7.09
Lot Size Square Feet: 308840.4
Water Source: Public, Water Charge Extra
Financial Details
Tax Assessed Value: $5,448,200
Tax Annual Amount: $76,737
Utilities Details
Cooling Type: Central Air, Zoned
Heating Type: Zoned, Radiant - Hot Water
Sewer : Public Sewer, Sewer Charge Extra

Building Info

Overview

    General

  • Bedroom Count: 0
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 0
  • Building Style: 0
  • Exterior Walls Type: 0
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 308,840
  • Total Building Area: 0
  • Building Area: 0

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 0
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Land Acres: 0000007090
  • Standard Land Use Code: 1001
  • County Land Use Code: 2

Neighborhood

  • School District Name: Watchung Hills Regional School District
  • Census Tract: 052203

Zoning

  • Zoning: CR

Geography

  • Assessors Map Reference: TAX MAP 58
  • Account Number: 55780
  • District: 20
  • Parcel: 20 00059-0000-00017- 04
  • Block: 59
  • Lot: 17.04
  • Municipality: WARREN TWP
  • Latitude: 40.6084
  • Longitude: -74.524

    Address

  • Full Address: 4 Mason Hill Rd
  • Address - House Number: 4
  • Address - Street Name: Mason Hill
  • Address - Suffix Type: Rd
  • State: NJ
  • City Name: Warren
  • Carrier Code: R006
  • 4-Digit Zip Code: 6944
  • Zip Code: 07059

Valuation

    Tax

  • Tax Year: 2023
  • Tax Amount: $8,405,106

    Market Valuation

  • Market Total Value: $4,277,964
  • Market Land Value: $721,543
  • Market Improvement Value: $3,556,421

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $4,337,000
  • Assessed Land Value: $731,500
  • Assessed Improvements Value: $3,605,500

    Sales

  • Current Sale Contract Date: Jun 04, 2002
  • Current Sale Recording Date: Jun 07, 2002
  • Current Sale Price:
  • Current Sale Document Type: 27
  • Previous Sale Recording Date: Nov 06, 1997
  • Previous Sale Contract Date: Nov 06, 1997
  • Previous Sale Amount: $225,000
  • Previous Sale Document Type: 27
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Somerset


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Frequently Asked Questions

When was property at 4 Mason Hill Road built and last sold?
The property at 4 Mason Hill Road was built in and last sold on Jun 4, 2002 for $460,000.
How much is this home worth?
The estimated value of the home located at 4 Mason Hill Road is $7,569,950.
What are some comparable homes to 4 Mason Hill Road?
There are currently no comparable homes to 4 Mason Hill Road.