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$1,995,000
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Property Description
A Rare Mill Neck Estate with Timeless Grandeur & Harbor Views Set 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.
Full Property Details
Full Property Details for 51 Lake Ave
General
- Price: $1,995,000
- Taxes: $54,183
- Status: Active
- Type: Single Family
- Source: Long_Island
- MLS ID: 1050480
- Updated: 9/18/2026
- Added to Site: 26 day(s) ago
Interior
- Number of Rooms: 13
- Interior Features: First Floor Bedroom
- Fireplace: Yes
- Number of Fireplaces: 9
- Appliances: Refrigerator
- Flooring: Carpet, Wood
Rooms
Bathrooms
- Total Bathrooms: 7
- Full Bathrooms: 5
- Half Bathrooms: 2
Bedrooms
- Total Bedrooms: 6
Additional Information
- Pool: Yes
- Private Pool: Yes
- Pool Description: In-Ground
Exterior
- Exterior Features: Balcony, Dog Run
Parking
- Garage: Yes
- Garage Spaces: 4
- Parking Features: Garage
Location
- County: Nassau County
School Information
- High School District: Oyster Bay-East Norwich
- Elementary School: Theodore Roosevelt School
- Middle School: Oyster Bay High School
- High School: Oyster Bay High School
Heating & Cooling
- Central air: Yes
- Cooling Type: Central Air
- Heating Type: Hot Water, Oil, Steam
Utilities
- Sewer: Cesspool
- Water: Public
- Utility Description: Water Connected
Structural Information
- Architectural Style: Colonial
- Detached/Attached: Detached
- Construction: Frame, Wood Siding
- Basement: Yes
- Basement Desc.: Full Basement
- Sq. Ft. Source: Appraiser
- Year Built: 1888
Additional Structures
- Other Structures: Garage(s)
Lot Features
- Property View: Water
- Lot Size (Acres): 5.37
- Lot Size (Sq. Ft.): 233,917
Water Features
- Water View: Yes
Financial Considerations
- Tax Amount: $54,183
Disclosures and Reports
- Special Conditions: None
- Property ID: 2425-24-D-00-0012-0
- Block: D
- Lot Number: 12
Listed by Douglas Elliman Real Estate
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Schools
Schools serving 51 Lake Ave
School District:Oyster Bay-East Norwich Central School District
| Name | Grades | Distance |
|---|---|---|
Theodore Roosevelt School, Oyster Bay, NY 150 West Main Street, Oyster Bay, NY 11771 | PK-2 | 0.3 mi |
Vernon School 880 Oyster Bay Road, East Norwich, NY 11732 | 3-6 | 1.6 mi |
Oyster Bay High School 150 East Main Street, Oyster Bay, NY 11771 | 7-12 | 0.9 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 51 Lake Ave
Date
Details
Price
Change
Source
9/16/2026
Listed
$1,995,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 51 Lake Ave
Year
Property Taxes
Change
Tax Assessment
Change
2025
$43,945
574%
$2,768
—
2024
$6,524
-84%
$2,768
—
2023
$41,399
2%
$2,768
—
2022
$40,776
-24%
$2,768
-19%
2021
$53,462
5%
$3,399
-41%
2020
$50,900
7%
$5,720
—
2018
$47,604
-6%
$5,720
—
2019
$50,900
16%
$5,720
—
2016
$43,821
8%
$5,720
—
2016
$40,733
4%
$5,720
—
2015
$39,212
5%
$5,720
-16%
2014
$37,211
—
$6,794
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 51 Lake Ave
51 Lake Avenue, Mill Neck, NY 11765 (MLS# 1050480) is a Single Family property with 6 bedrooms, 5 full bathrooms and 2 partial bathrooms. 51 Lake Avenue is currently listed for $1,995,000 and was received on September 16, 2026. Want to learn more about 51 Lake Avenue? Do you have questions about finding other Single Family real estate for sale in Mill Neck? You can browse all Mill Neck real estate or contact a Coldwell Banker agent to request more information.
