Jared Mark
Licensed Real Estate Salesperson
REALTOR®
Niskayuna, NY
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51 Lake Avenue, Mill Neck, NY 11765

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Property Description

A Rare Mill Neck Estate with Timeless Grandeur & Harbor ViewsSet atop 5.37 lush and private acres with water views of Oyster Bay Harbor, this magnificent three-story Colonial offers more than 7,000 square feet of historic elegance, gracious living, and exceptional entertaining spaces. Built in 1888, the six-bedroom, 7 -bath (5,2) residence embodies the classic grandeur and architectural character of a bygone era, beautifully complemented by an extraordinary floor plan. From the moment you enter, the home's remarkable craftsmanship is on full display. High ceilings, exquisite custom woodwork, graciously scaled rooms, and historic architectural detailing create an atmosphere of sophistication and warmth. Nine fireplaces are thoughtfully positioned throughout the residence, adding character and an inviting sense of intimacy to the expansive interiors. The home's covered porches span both the first and second floors, providing idyllic spaces to relax, entertain, and take in the surrounding landscape and harbor and pond views. The property's elevated setting and mature grounds offer a rare combination of privacy, natural beauty, and proximity to the water. Exceptional outbuildings further distinguish this remarkable estate. A detached four-car garage features guest quarters above, while a separate detached two-car garage provides additional parking and storage. The expansive grounds include a private in-ground pool and offer the potential for a horse property, creating an extraordinary opportunity to enjoy a refined country lifestyle. Rich in history, character, and possibility, this exceptional Mill Neck estate is a rare offering-an iconic property with the scale, privacy, architectural detail, and water views to create an unforgettable Long Island retreat.

51 Lake Avenue | MLS# 1050480

This single family home located at 51 Lake Avenue, Mill Neck, NY 11765 is currently listed for sale with an asking price of $1,995,000. This property was built in 1888 and has 6 bedrooms and 5 full and 2 partial baths with 7268 sq. ft. Lake Avenue is located within the Oyster Bay-East Norwich school district. Search Mill Neck real estate on jared-mark.coldwellbankerprime.com today.

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Property Features

Property Type: Residential - Single Family
Basement: Yes
Basement: Full
Cooling: Central Air
Fireplaces: 9
Garage: 4
Heating: Hot Water, Oil, Steam
Home Style: Colonial
Lot Size: 5.37 Acres
Taxes: $54,183
Year Built: 1888

Amenities

First Floor Bedroom
Balcony
Dog Run

Feature Descriptions

Appliances: Refrigerator
Attic: Full, Stairs
Days on Site: 8
Exterior: Frame, Wood Siding
Fireplace Y/N: Yes
Flooring: Carpet, Wood
GarageY/N: Yes
HorseY/N: Yes
On Market Date: 2026-09-16
Other Structures: Garage(s)
Parcel Number: 2425-24-D-00-0012-0
Parking Features: Garage
Pool Features: In Ground
Rental Term: Monthly
Rooms Total: 13
Sewer: Cesspool
Special View Info: Water
Swimming Pool: Yes
Utilities: Water 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

Estimate Your Payment

Estimated Payment

$ 9,537.13 per month $4,440.01 Principal & Interest $4,515.25 Property Tax $581.88 Homeowner's Insurance

Change Payment Information

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years/fixed
yearly
yearly (est.)
(Payments are an estimate and may vary by lender)

Demographics

Listed By / Shown By

Listing By

Agency Name: Douglas Elliman Real Estate
Agency Contact: 516-759-0400

Shown By

Agent Name: Jared Mark
Agent Phone: (518) 466-8973 Cell
Agency Title: Coldwell Banker Prime Properties

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 09/24/2026. The listing information on this page last changed on 09/24/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Thu 09/24/2026 1:10:51 AM EST) or Global MLS (last updated Thu 09/24/2026 1:07:29 AM EST) or New York State Alliance MLS (last updated Thu 09/24/2026 1:07:02 AM EST) or Hudson Valley Catskill Region MLS (last updated Thu 09/24/2026 12:11:17 AM EST) or Berkshire MLS (last updated Wed 09/23/2026 8:13:19 PM EST) or OneKey MLS (last updated Thu 09/24/2026 1:03:25 AM EST). Real estate listings held by brokerage firms other than Coldwell Banker Prime Properties may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

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