27 Hillside Ave | Millburn Twp.

$5,990,000 | 6 Beds | 8 Baths (6 Full, 2 Half) | 12,000 Sq. Ft.

Set on nearly an acre along one of Short Hills' most coveted streets, this Georgian Colonial estate blends timeless architecture with refined modern luxury. A dramatic double-height foyer with a grand split staircase, coffered ceilings, and marble floors sets an elegant tone. Formal living and banquet dining rooms house two of six fireplaces that flow seamlessly for effortless entertaining. A butler's pantry leads to the chef's kitchen with a leathered marble island, Nestos marble surfaces, and top-tier Wolf, Sub-Zero, and Viking appliances, opening to a sunlit breakfast area with garden views. The family room, anchored by a stone fireplace, features walls of glass overlooking the terrace and pool. A well-designed mudroom connects to the heated three-car garage and includes a spacious laundry room, built-ins, and a secondary staircase. Upstairs, the primary suite offers a sitting room, tray ceiling bedroom, spa-like bath, and custom dressing room. Four additional en-suite bedrooms are accessed via a gracious gallery hall with a gas fireplace. The lower level features a fitness studio, pool changing rooms, steam shower, powder room, and kitchenette. In addition, to a movie theater, wine cellar, game room, and guest suite. Outdoors, a heated saltwater pool, gazebo, and manicured grounds complete this exceptional offering near downtown Millburn and the Short Hills train. Showings begin Wednesday April 29th. GSMLS 4023575

Directions to property: Old Short Hills Road or Hobart Avenue to Hillside

MLS Listing ID: 
GSMLS 4023575
Listing Status
Status of the Listing.
Listing Status: 
Active
Listing Status (Local): 
Active
Listing Status Accepting Offers: 
1
Community Information
Elementary: 
HARTSHORN
Middle: 
MILLBURN
High: 
MILLBURN
Subdivision: 
Hartshorn
Building Details
Details about the building on a property.
Architectural Style: 
Colonial
Year Built: 
2001
New Construction: 
0
Living Area: 
12,000
Basement: 
Finished, Full, Walkout
Interior: 
Bar-Wet, Blinds, Carbon Monoxide Detector, Cedar Closets, Drapes, Fire Alarm Sys, High Ceilings, Security System, Smoke Detector, Walk-In Closet
Fireplaces: 
Yes
Construction
Roof: 
Slate
Exterior: 
Brick
Exterior Features: 
Barbeque, Hot Tub, Patio, Privacy Fence, Underground Lawn Sprinkler
DisabilityFeatures: 
No
Energy Information: 
Electric, Gas-Natural
Porch: 
No
Deck: 
No
Room Details
Details about the rooms in the building.
Total Rooms: 
16
Total Bedrooms: 
6
Total Bathrooms: 
8
Total Full-Bathrooms: 
6
Total Half-Bathrooms: 
2
Master Bedroom 
Dimensions: 
25x17 
Level: 
Second
Second Bedroom 
Dimensions: 
16x18 
Level: 
Second
Third Bedroom 
Dimensions: 
17x16 
Level: 
Second
Fourth Bedroom 
Dimensions: 
14x14 
Level: 
Second
Dining Room 
Dimensions: 
18x24 
Level: 
First
Family Room 
Dimensions: 
25x23 
Level: 
First
Kitchen 
Dimensions: 
16x21 
Level: 
First
Living Room 
Dimensions: 
16x24 
Level: 
First
Den 
Dimensions: 
16x21 
Level: 
First
Other One 
Dimensions: 
14x15 
Level: 
First
Other Two 
Dimensions: 
16x16 
Level: 
Second
Other Three 
Dimensions: 
14x17 
Level: 
Second
Other Four 
Dimensions: 
17x23 
Level: 
Basement
Master Bathroom 
Level: 
Second
Utilities
Information about utilities available on the property.
Heating System: 
4+ Units, Forced Hot Air, Multi-Zone, Radiant - Hot Water
Heating System Fuel: 
Gas-Natural
Cooling System: 
4+ Units, Central Air, Multi-Zone Cooling
Water Heating System: 
Gas
Water Source: 
Public Water
Sewer: 
Public Sewer, Sewer Charge Extra
Lot/Land Details
Details about the lots and land features included on the property.
Acres: 
0.92
Lot Size (Dimensions): 
145 X 275
Waterfront: 
0
Lot Features
Driveway: 
1 Car Width, Blacktop, Circular, Paver Block
Parking Type: 
1 Car Width, Blacktop, Circular, Paver Block
Total Parking Spaces: 
0
Garage: 
Built-In Garage, Garage Door Opener, Oversize Garage
Pool: 
Yes
Fence: 
Yes
Public Record
Parcel Number: 
1612-01505-0000-00004-0000-
Lot Number: 
4
Annual Tax: 
$71,352.00
Listing Dates
Dates involved in the transaction.
Listing Entry Date/Time: 
4/27/2026
Contract Details
Details about the listing contract.
Exclusions: 
personal furniture and art
Possession: 
tba
Listing Participants
Participants (agents, offices, etc.) in the transaction.
Listing Office Name: 
PROMINENT PROPERTIES SIR