3875 Hallock Ln, Mattituck, NY, 11952
About This Home
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.
Getting Around
Car-Dependent
Very Limited Transit
Not Bike FriendlySchools
Construction
Condition
- Year built: 2002
Type & Style
- Home type: SingleFamily
- Property subType: Single Family Residence
Interior
Basement
- Has basement: Yes
- Basement: Yes
Bedrooms & Bathrooms
- Bedrooms: 5
- Bathrooms: 8
- Full bathrooms: 7
- 1/2 bathrooms: 1
Cooling
- Cooling features: Central Air
Features
- Fireplace: Yes
Interior Area
- Total structure area: 8,505
- Total interior livable area: 8,505 sqft
Property
Details
- Parcel number: 1000112000100008004
Features
- Stories: 3
- Pool features: Room for a Pool
- Has view: Yes
- View description: Water
- Has water view: Yes
- Water view: Water
- On waterfront: Yes
- Waterfront features: Waterfront
- Frontage type: Waterfront
Lot
- Lot size: 3.30 Acres
Parking
- Parking features: GarageAttached
- Has garage: Yes
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Coastal Flooding
- Hurricane
- Winter Weather
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters in Suffolk County and New York
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $29,075 | $348,900 |
| Home Insurance * | $2,183 | $26,196 |
| Property Taxes | $7,762 | $93,144 |
| Electricity | $1,405 | $16,866 |
| Total | $40,425 | $485,100 |
Income You'd Need if You Spent...
New York FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-03-11 | Price change | $6,999,000 |
| 2025-10-16 | Price change | $7,500,000 |
| 2025-09-02 | Listed for sale | $8,500,000 |
| 2022-11-01 | Sold | $3,925,000 |
| 2022-09-02 | Pending sale | $3,995,000 |
| 2022-07-27 | Price change | $3,995,000 |
| 2022-05-18 | Listed for sale | $4,500,000 |
| 2020-03-07 | Listing removed | $4,550,000 |
| 2020-02-06 | Price change | $4,550,000 |
| 2019-11-22 | Listed for sale | $4,950,000 |
| 2018-09-08 | Listing removed | $4,995,000 |
| 2018-02-03 | Listed for sale | $4,995,000 |
| 2016-07-14 | Listing removed | $6,995,888 |
| 2016-06-08 | Price change | $6,995,888 |
| 2016-04-25 | Listed for sale | $7,500,000 |
| 2016-02-27 | Listing removed | $7,500,000 |
| 2016-02-03 | Price change | $7,500,000 |
| 2015-10-15 | Listed for sale | $8,800,000 |
| 2015-09-13 | Listing removed | $8,800,000 |
| 2015-07-15 | Listed for sale | $8,800,000 |
| 2010-06-03 | Listing removed | $9,750,000 |
| 2009-09-06 | Listed for sale | $9,750,000 |
| 1997-02-21 | Sold | $250,000 |
For Sale by Agent
View on Zillow