• Buy
  • Rent
  • Sell
  • Agents
New DevelopmentWorld of Elliman
The latest in luxury property, lifestyle & culture, curated just for you.

Company

  • About Us
  • Leadership
  • Offices
  • Press & News
  • Elliman Cares
  • Join as an Agent
  • Careers
  • Elliman Global
  • Investors

Resources

  • World of Elliman
  • Elliman Insider
  • Magazines
  • Market Reports
  • Research Reports
  • Elliman Private Listings
  • New Elliman Exclusives
  • Featured Cities
  • Guides to Buying & Selling

Brand Portfolio

  • New Development
  • Commercial
  • Relocation
  • Sports & Entertainment
  • Farm & Ranch
  • Building Broker Specialists
  • Title Services
  • Estate, Trust & Probate

  • California
  • Colorado
  • Connecticut
  • Florida
  • Massachusetts
  • Mid-Atlantic
  • Nevada
  • New Jersey
  • New York
  • New York City
  • Texas
  • Vermont
  • Site Map
  • Terms
  • Privacy
  • Cookie Preferences
  • Do Not Sell or Share My Personal Information
  • NYS Housing Discrimination Disclosure Notice & Form
  • NYS Standard Operating Procedure
  • NYS Tenants' Rights to Reasonable Accommodations for persons with disabilities
  • California Consumer Privacy Act Notice
  • Texas Consumer Protection Notice
  • Texas Real Estate Commission Information About Brokerage Services
  • Text of NYC Human Rights Law
  • New York City Commission on Human Rights
  • NYC Source of Income Discrimination Information
  • NYC Source of Income Discrimination Tenant FAQs

THE SOURCE OF THE DISPLAYED DATA IS EITHER THE PROPERTY OWNER OR PUBLIC RECORD PROVIDED BY NON-GOVERNMENTAL THIRD PARTIES. IT IS BELIEVED TO BE RELIABLE BUT NOT GUARANTEED. FOR COLORADO VIEWERS, INFORMATION ABOUT NON-COMMERCIAL PROPERTIES IS PROVIDED EXCLUSIVELY FOR YOUR PERSONAL, NON-COMMERCIAL USE.

575 MADISON AVENUE, NEW YORK, NY 10022. 212.891.7000 © 2026 DOUGLAS ELLIMAN REAL ESTATE. EQUAL EMPLOYMENT OPPORTUNITY PROVIDER. ALL MATERIAL PRESENTED HEREIN IS INTENDED FOR INFORMATION PURPOSES ONLY. WHILE THIS INFORMATION IS BELIEVED TO BE CORRECT, IT IS REPRESENTED SUBJECT TO ERRORS, OMISSIONS, CHANGES, OR WITHDRAWAL WITHOUT NOTICE. ALL PROPERTY INFORMATION, INCLUDING, BUT NOT LIMITED TO SQUARE FOOTAGE, ROOM COUNT, NUMBER OF BEDROOMS, AND THE SCHOOL DISTRICT IN PROPERTY LISTINGS SHOULD BE VERIFIED BY YOUR OWN ATTORNEY, ARCHITECT, OR ZONING EXPERT. EQUAL HOUSING OPPORTUNITY. LISTING DATA REFRESHED ON APR 18 2026 AT 5:09 AM.

DOUGLAS ELLIMAN IS A LICENSED REAL ESTATE BROKER IN CALIFORNIA WITH LICENSE # 01947727, COLORADO WITH LICENSE # EC100053892, CONNECTICUT WITH LICENSE # REB.0314827, THE DISTRICT OF COLUMBIA WITH LICENSE # REO40000160, FLORIDA WITH LICENSE # CQ1020232, MARYLAND WITH LICENSE # 645270, MASSACHUSETTS WITH LICENSE # 422764, NEVADA WITH LICENSE # 1454643, NEW JERSEY WITH LICENSE # 0572105, NEW YORK WITH LICENSE # 10991211812, TEXAS WITH LICENSE # 9008706, AND VIRGINIA WITH LICENSE # 0226035659.

SCAMMERS ARE IMPERSONATING REAL ESTATE AGENTS AND USING ACTIVE LISTINGS TO REQUEST FAKE DEPOSITS. SHOULD YOU HAVE A QUESTION ABOUT THE LEGITIMACY OF A DOUGLAS ELLIMAN AGENT OR LISTING, PLEASE CONTACT THE AGENT DIRECTLY VIA THE “AGENTS” LINK IN THE TOP MENU. DOUGLAS ELLIMAN WILL NEVER ASK FOR ANY PAYMENT TO RESERVE, HOLD, OR VIEW A PROPERTY. THESE CHARGES ARE PROHIBITED UNDER NEW YORK LAW. IF YOU RECEIVE A SUSPICIOUS REQUEST FOR MONEY, DO NOT SEND FUNDS. REPORT IT TO THE NYS DEPARTMENT OF STATE AND NOTIFY DOUGLAS ELLIMAN. YOU CAN READ THE NEW YORK STATE DEPARTMENT OF STATE'S CONSUMER ALERT HERE.

POWERED BY PURLIN.AI

3 William St

east northport, NY 11731

$779,000

  • 5 BR
    3 BA, 1 HALF BA
    approx. 2,600 SF
  • logodouglas elliman exclusive

Interested? Let's Connect

Welcome to this charming and beautifully maintained Colonial that perfectly blends classic character with modern updates. This spacious four bedroom, two and one half bath home offers a warm and inviting layout ideal for today's lifestyle. The heart of the home is the recently renovated chef's kitchen, thoughtfully designed with quality finishes, ample workspace, and a seamless flow for both everyday living and entertaining. Sun filled living spaces add to the homes timeless appeal, creating a comfortable and welcoming atmosphere throughout. A feature is the legal accessory apartment, complete with one bedroom, a full bath, kitchen and living room-perfect for extended family, guests or additional income potential. Outside enjoy a flat, level yard that is easy to maintain while still offering space to relax or entertain. A two and one half car detached garage provides added convenience and storage. With its undeniable charm, thoughtful updates, and low taxes, this property is a rare find that offers both value and versatility.

OPEN HOUSE

04/18 1:00PM - 3:00PMAdd to Calendar

OPEN HOUSE

04/19 1:00PM - 3:00PMAdd to Calendar

Details

2,600 Sq Ft

5,227 Sq Ft Lot Size

single family home

$10,918 Annual Tax

Built in 1954

MLS/Listing ID 983832

Amenities & Features

ENERGY STAR Qualified Appliances

Dryer

Exhaust Fan

Freezer

Gas Oven

Covered

Deck

Gas Range

Gas Water Heater

Microwave

Refrigerator

Washer

Wine Refrigerator

Parking - Detached

Parking - Driveway

Lot - Garden

Lot - Level

Breakfast Bar

Entrance Foyer

In-Law Floorplan

Open Floor Plan

Recessed Lighting

Smart Thermostat

Storage

Heating - Electric

Heating - Forced Air

Heating - Natural Gas

Block

Hardwood

Tile

Cooling - Central Air

Construction - Frame

Style - Colonial

Dishwasher

Lot - Back Yard

Chef's Kitchen

Stainless Steel Appliance(s)

Estimate my mortgage

TOTAL MONTHLY COST

$0

  • PRINCIPAL & INTEREST

    $0

  • PROPERTY TAXES

    $0

  • Common Charges

    $0

HOME PRICE
DOWN PAYMENT
TERM
INTEREST

Interested In 3 William St?