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3875 Hallock LaneMattituck, NY 11952

For Sale

$7,500,000

Smart Buyer Rebate $75,000

Welcome to Lion’s Gate on the Sound, a premier waterfront estate set on over 3 private, gated acres along the Long Island Sound in Mattituck. This move-in-ready sanctuary blends timeless architecture with modern luxury, offering unmatched privacy and sweeping coastal views. A newly resurfaced driveway leads through electronic gates to beautifully lit grounds featuring a restored gazebo, lush lawns, and thoughtful landscaping. Inside, the home shines with freshly refinished hardwood floors, custom details, and a reimagined primary suite with spa-like finishes. Smart-home automation, new TVs, and elegant upgrades enhance everyday living. The finished lower level offers a professional gym, billiard room, and custom bar, while the upgraded garage with epoxy floors and smart tech is ideal for car enthusiasts. Outdoors, enjoy a new dining pavilion, full irrigation, and multiple vantage points for stunning sunsets over the Sound. Perfectly located near vineyards, farm stands, and charming village life, Lion’s Gate on the Sound is more than a home, it’s a legacy estate of luxury, seclusion, and natural beauty. Pool permit pending.

Listed by Kristy B. Naddell

·

Douglas Elliman Real Estate

·

631-354-8100

Last updated October 16, 2025

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Source: OneKey #907439

Listing Facts

  • TypeSingle-family
  • NeighborhoodMattituck
  • Bedrooms5
  • Bathrooms8
  • Days on Prevu104
  • Taxes$42,666/year
  • Size8,505 sqft
  • Price per sqft$882

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

10/17/2025
Price Decreased
$7,500,000
09/02/2025
Listed by Douglas Elliman Real Estate
$8,500,000

Property Details for 3875 Hallock Lane

Exterior

Construction

  • Year Built: 2002
  • Architectural Style: Estate
  • Construction Materials: Frame
  • Exterior Features: Balcony

Features

  • Patio And Porch Features: Patio, Porch
  • View: Panoramic, Water
  • Waterfront Features: Beach Access, Beach Front, Sound, Water Access, Waterfront
  • Waterfront: Yes

Measurements

  • Building Area Units: Square Feet
  • Lot Size Acres: 3.30
  • Lot Size Square Feet: 143,748

Financial

Taxes

  • Parcel Number: 1000-112-00-01-00-008-004
  • Tax Annual Amount: $42,666.00
  • Tax Assessed Value: $26,200.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer, Indirect Water Heater
  • Fireplace: Yes
  • Fireplaces Total: 4
  • Flooring: Hardwood
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Eat-in Kitchen, Entrance Foyer, Formal Dining, Pantry, Primary Bathroom, Master Downstairs, Quartz/Quartzite Counters, Walk-In Closet(s)

Measurements

  • Living Area: 8,505
  • Living Area Source: Other

Rooms

  • Basement: Finished, Full
  • Has Basement: Yes
  • Bathrooms Full: 7
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 8
  • Bedrooms Total: 5
  • Rooms Total: 20

Parking

Parking

  • Garage Spaces: 3
  • Garage: Yes
  • Parking Features: Attached, Private

Schools

Elementary School

  • Elementary School: Mattituck-Cutchogue Elementary Sch
  • Elementary School District: Mattituck-Cutchogue

High School

  • High School: Mattituck Junior-Senior High School
  • High School District: Mattituck-Cutchogue

Middle or Junior School

  • Middle Or Junior School: Mattituck Junior-Senior High School
  • Middle Or Junior School District: Mattituck-Cutchogue

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air, Propane
  • Sewer: Cesspool
  • Utilities: Electricity Connected
  • Water Source: Well

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 8 bathrooms in this single-family home at 3875 Hallock Lane.

What schools are nearby to 3875 Hallock Lane?

Nearby schools include the Mattituck-Cutchogue Elementary Sch, Mattituck Junior-Senior High School, and Mattituck Junior-Senior High School.

Does this single-family home have parking?

Yes, there are 3 parking spaces available for 3875 Hallock Lane.

What are the annual taxes for 3875 Hallock Lane?

Annual taxes for this single-family home are estimated at $42,666.

How does 3875 Hallock Lane compare to other single-family homes in Mattituck?

This single-family home is listed 292% above the average price for single-family homes in Mattituck and has been on the market for 32 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 8,505 sqft.

3875 Hallock Lane is a 5-bedroom, 8-bath single-family home for sale in Mattituck NY 11952. Available on Prevu for 104 days at $7,500,000. This includes a recent price decrease of $1,000,000. This home features 8,505 square feet of living space, located in Mattituck. The median listing price for single-family homes in this area is $1,225,000. Nearby schools include Mattituck-Cutchogue Elementary Sch, Mattituck Junior-Senior High School, and Mattituck Junior-Senior High School. The home offers private outdoor space, dishwasher, air conditioning, parking, and washer/dryer. Browse more single-family home listings in Suffolk County.

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Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.