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393 Mill River Road, Muttontown, NY 11771

$10,750,000
  • 393 Mill River Road, Muttontown, NY 11771 Main Photo

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Active
BEDS9 BATHS8 full 4 partial SQUARE FEET13,058 MLS#945312
STATUSActive PROPERTY TYPEResidential - Single Family SCHOOLOyster Bay-East Norwich

Property Description

Tucked behind a private gated drive and set across over eight pristine acres, this iconic 1916 manor estate has been comprehensively restored and strategically enhanced to meet the expectations of today's most discerning buyer. Historic architecture remains intact, while modern systems, technology, and amenities have been elevated to a truly exceptional level.Grand formal living and dining rooms feature museum-quality moldings and millwork, offering a refined backdrop for both intimate gatherings and large-scale entertaining. The gourmet kitchen is designed for serious cooking and seamless hosting, flowing naturally into the home's main living spaces. A striking paneled library with wood-burning fireplace provides a moody, private retreat, while the showstopping 23' x 44' great room by Smiros & Smiros commands attention with 16-foot ceilings and a dramatic stone fireplace-engineered for memorable entertaining.The primary suite functions as a true private residence within the home, complete with a separate sitting room, coffee bar, and half bath, a spa-caliber marble bathroom with radiant heated floors, and dual dressing rooms. Five additional en-suite bedrooms, including a fully ADA-accessible suite, along with an office overlooking the gardens, complete the second level.Amenities rival those of a private resort, including a paneled elevator, indoor endless lap pool, catering kitchen, dog spa, a fully refreshed gym, and a discreet panic room / walk-in vault offering an elevated level of security.For the automotive collector, the estate delivers rare flexibility: a heated three-car garage with soaring ceiling heights designed to accommodate lifts for up to six vehicles, complemented by two additional single-car garages.The grounds are equally intentional. A new slate roof, heated gunite pool, Har-Tru tennis court with lighting (recently resurfaced and fenced), putting green, English gardens, playhouse, and curated outdoor lighting create a private, park-like setting designed for year-round enjoyment. Extensive masonry restoration, irrigation repair, landscape clearing, and exterior upgrades have been executed at scale.Behind the scenes, the home has undergone substantial systems modernization, including new and serviced HVAC, complete attic insulation, comprehensive electrical upgrades, restored fireplaces, upgraded pool infrastructure, a fully serviced gate and telecom system, and enterprise-grade security with AI-enabled cameras and property-wide WiFi coverage. The interior has been fully refre

393 Mill River Road | MLS# 945312

This single family home located at 393 Mill River Road, Muttontown, NY 11771 is currently listed for sale with an asking price of $10,750,000. This property was built in 1916 and has 9 bedrooms and 8 full and 4 partial baths with 13058 sq. ft. Mill River Road is located within the Oyster Bay-East Norwich school district. Search Muttontown real estate on www.ritabender.com today.

Property Features

Property Type: Residential - Single Family
Basement: Finished, Walk-Out Access
Basement: Yes
Cooling: Central Air
Fireplaces: 7
Garage: 5
Heating: Forced Air, Natural Gas, Radiant
Home Style: Estate
Lot Size: 8.17 Acres
Taxes: $97,836
Year Built: 1916

Amenities

Breakfast Bar
Built-in Features
Cathedral Ceiling(s)
Crown Molding
Eat-in Kitchen
Elevator
Formal Dining
His and Hers Closets
Original Details
Tray Ceiling(s)

Feature Descriptions

Appliances: Gas Range, Wine Refrigerator
Attic: Finished
Building Area Total: 13082
Days on Site: 59
Elevator: Y
Exterior: Brick
Fireplace Y/N: Yes
Flooring: Carpet, Hardwood, Tile
Formal Dining: Yes
GarageY/N: Yes
On Market Date: 2026-01-03
Parcel Number: 2429-24-F-00-0068-0
Parking Features: Attached, Heated Garage
Property Attached Y/N: 1
Rental Term: Monthly
Rooms Total: 22
Security: yes
Security Features: Security Gate, Security System, Video Cameras
Sewer: Cesspool
Spa Y/N: Yes
Swimming Pool: Yes
Utilities: Natural Gas Connected
Water: Public

Local Schools

High School: Oyster Bay High School
Middle School: Oyster Bay High School
Elementary School: Theodore Roosevelt School
School District: Oyster Bay-East Norwich

Listed By / Shown By

Listing By

Agency Name: Nest Seekers LLC
Agency Contact: 516-922-2878

Shown By

Agent Name: TEAM Rita Bender
Agent Phone: Cell: (631) 871-5470
Agency Title: Howard Hanna | Coach Realtors

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Estimated Payment

$ 57,455.08 per month $46,166.66 Principal & Interest $8,153.00 Property Tax $3,135.42 Homeowner's Insurance

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