21 Hardwell Rd | Millburn Twp.

$3,888,000 | 6 Beds | 6 Baths (4 Full, 2 Half) | 6,500 Sq. Ft.

If you value privacy & the serenity of nature, combined w/the luxury of innovative contemporary design, this handsome & stately 6BR, 4.2 Bath, Center Hall Colonial is for you. Overlooking the So. Mountain Reservation from high above the neighboring homes, this one-of-a-kind residence combines the lifestyle of today, while blending the elegance of the past. Large 3 story addition w/2nd floor deck, connects all 3 levels from a staircase tower, designed by award-winning architect Shelton Mindel & Associates in Manhattan. Entertaining is a dream in this tastefully renovated & expanded home w/heated pool, separate spa area, electronic pool cover, bluestone patios, lighted fountain near firepit, upper deck, delightful screened porch off of the great room & living room, + a whole house Generac generator. Special features: handsome moldings, hardwood floors, 5 gas fireplaces, walls of windows, unique lighting & room for a 5th BR on the 2nd floor. There is a BR/Bath suite off of the kitchen, + a powder room near the library, could be a main level wine room. The yard offers the ideal 'staycation' vibe w/outdoor shower & changing room, the ground level bsmt has room for everyone w/billiards room, playroom, card room, a full bath & half bath, extra Refrig + plenty of storage. The property has beautiful, flowering trees, bushes, extensive outdoor lighting & mature landscaping, all on over.81 of an acre. This hidden & private gem at the end of a quiet cul-de-sac, awaits your visit. GSMLS 4022614

Directions to property: Old Short Hills Rd to Glen Ave or to Farley Road to Hardwell Rd. Driveway is at the end of the cul-d

MLS Listing ID: 
GSMLS 4022614
Listing Status
Status of the Listing.
Listing Status: 
Active
Listing Status (Local): 
Active
Listing Status Accepting Offers: 
1
Community Information
Elementary: 
DEERFIELD
Middle: 
MILLBURN
High: 
MILLBURN
Subdivision: 
Farley
Building Details
Details about the building on a property.
Architectural Style: 
Colonial
Year Built: 
1938
New Construction: 
0
Living Area: 
6,500
Basement: 
Finished, Full, Walkout
Interior: 
Bar-Wet, Carbon Monoxide Detector, Drapes, Security System, Skylight, Track Lighting, Walk-In Closet, Window Treatments
Fireplaces: 
Yes
Construction
Roof: 
Slate
Exterior: 
Brick
Exterior Features: 
Barbeque, Deck, Enclosed Porch(es), Patio, Thermal Windows/Doors, Underground Lawn Sprinkler
DisabilityFeatures: 
No
Energy Information: 
Electric, Gas-Natural
Porch: 
No
Deck: 
Yes
Room Details
Details about the rooms in the building.
Total Rooms: 
15
Total Bedrooms: 
6
Total Bathrooms: 
6
Total Full-Bathrooms: 
4
Total Half-Bathrooms: 
2
Master Bedroom 
Dimensions: 
14x16 
Level: 
Second
Second Bedroom 
Dimensions: 
14x13 
Level: 
Second
Third Bedroom 
Dimensions: 
13x11 
Level: 
Second
Fourth Bedroom 
Dimensions: 
13x11 
Level: 
Second
Dining Room 
Dimensions: 
15x14 
Level: 
First
Family Room 
Dimensions: 
18x14 
Level: 
First
Kitchen 
Dimensions: 
26x9 
Level: 
First
Living Room 
Dimensions: 
26x16 
Level: 
First
Den 
Dimensions: 
13x12 
Other One 
Dimensions: 
15x11 
Level: 
First
Other Two 
Dimensions: 
14x11 
Level: 
First
Other Three 
Dimensions: 
38x22 
Level: 
First
Other Four 
Dimensions: 
29x16 
Level: 
First
In-Law Suite 
Master Bathroom 
Level: 
Second
Utilities
Information about utilities available on the property.
Heating System: 
3 Units, Baseboard - Hotwater, Forced Hot Air
Heating System Fuel: 
Gas-Natural
Cooling System: 
3 Units, Ceiling Fan, Central Air
Water Heating System: 
Gas
Water Source: 
Public Water, Water Charge Extra
Sewer: 
Public Sewer, Sewer Charge Extra
Lot/Land Details
Details about the lots and land features included on the property.
Acres: 
0.81
Lot Size (Dimensions): 
end of cul-de-sac irreg
Waterfront: 
0
Lot Features
Driveway: 
1 Car Width, Blacktop
Parking Type: 
1 Car Width, Blacktop
Total Parking Spaces: 
5
Garage: 
Built-In Garage, Garage Door Opener
Pool: 
Yes
Fence: 
No
Public Record
Parcel Number: 
1612-02503-0000-00031-0000-
Lot Number: 
31
Annual Tax: 
$49,812.00
Property Zoning: 
R-4
Listing Dates
Dates involved in the transaction.
Listing Entry Date/Time: 
4/22/2026
Contract Details
Details about the listing contract.
Exclusions: 
Many items are negotiable. All inclusions will be AS IS.
Possession: 
30-60 days
Listing Participants
Participants (agents, offices, etc.) in the transaction.
Listing Office Name: 
COMPASS NEW JERSEY, LLC