4 Mason Hill Road · Warren, NJ 07059

The Residence

4 Mason Hill Road, Warren, NJ — front facade of The Somerset, a Colonial estate at 4 Mason Hill Road
4 Mason Hill Road, Warren, NJ — carriage house and motor court at The Somerset estate

Curb Appeal

An Architectural Statement

Set behind gates at the end of a private cul-de-sac on 7.09 acres, The Somerset makes an immediate impression. Designed by Jeffrey A. Beer, A.I.A. and completed in 2020, the Colonial facade balances scale and restraint, with soaring rooflines and a sense of arrival built for a residence unlike anything else on the market.

  • StyleColonial
  • Year Built2020
  • Lot Size7.09 Acres
  • ArchitectJeffrey A. Beer, A.I.A.
chef's kitchen with center island at The Somerset
great room with fireplace and soaring ceilings at The Somerset

Heart of the Home

Kitchen & Great Room

The great room rises to soaring ceilings and walls of glass, anchored by a fireplace and opening directly into a chef's kitchen built for both everyday living and grand-scale entertaining. Every finish reflects the same uncompromising detail found throughout the residence.

  • Great Room24'0" × 29'6"
  • Kitchen19'0" × 20'8"
  • Kitchen Gallery20'0" × 6'3"
  • Breakfast Nook14'0"
formal living and entertaining spaces at The Somerset

Principal Entertaining

Formal Living & Dining

From the grand foyer, soaring ceilings and walls of glass set the tone for the formal living spaces beyond. A library, a lounge, and a formal dining area create a sequence of principal rooms suited to both intimate evenings and grand gatherings.

  • Library18'2" × 14'6"
  • Dining Area20'8" × 16'0"
  • Lounge16'0" × 15'0"
  • Gallery22'8" × 44'0"
main-level primary bedroom suite at The Somerset
spa-inspired primary bathroom at The Somerset
custom primary walk-in closet at The Somerset

Primary Suite

A Main-Level Sanctuary

The primary suite occupies its own wing of the main level — an oasis of tranquility meticulously customized with the finest finishes. A spa-inspired bath and a custom walk-in closet complete a retreat designed for everyday luxury.

  • Primary Bedroom22'6" × 16'0"
  • Primary Bath10'2" × 21'6"
  • LevelMain Floor
stone terrace and outdoor living space at The Somerset
aerial view of the estate grounds at The Somerset

Outdoor Living

Outdoor Living
Redefined

A stone terrace extends the living space outward, framed by 7.09 acres of grounds. Dual outdoor kitchens make this an entertainer's setting from morning through evening, while the surrounding privacy is rare even by Warren's standards.

  • Terrace24'7" × 24'0"
  • Lot Size7.09 Acres
  • FeaturesDual Outdoor Kitchens

Lower Level

A Complete Lifestyle Floor

Shooting Lane

A private, custom-built 75-foot firing lane (75' × 9') — an amenity found on virtually no other residence in the region.

Home Theater

A cinematic theater (20' × 28'9") built for premiere nights in, with room for the whole family and guests.

Recreation Room

A sprawling recreation room (18'0" × 18'1") designed for entertaining at any scale.

Exercise Room

An expansive fitness studio (44'0" × 22'6") with space for a full range of equipment.

Indoor Pool & Spa

A dedicated indoor pool and spa for year-round leisure and wellness, sheltered from the seasons.

4-Car Garage & Wine Cellar

Direct lower-level access to a 4-car garage (54'0" × 22'4"), plus a private wine cellar and technical rooms.

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