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3992 William StreetSeaford, NY 11783

For Sale

$699,000

Smart Buyer Rebate $4,975

Welcome to 3992 William Street, a charming expanded Cape nestled in the heart of Seaford. This warm and inviting 4-bedroom, 2-full-bath home is filled with tremendous natural daylight and offers a spacious, comfortable layout perfect for everyday living and entertaining. The first floor features a large formal dining room highlighted by a cozy wood-burning fireplace, creating the perfect setting for gatherings and holiday meals. The spacious eat-in kitchen offers plenty of room for cooking and includes space for a breakfast table, ideal for casual mornings. A bright, sunny living room provides ample space to relax or host guests. This thoughtfully expanded Cape also includes a bonus room and separate office space, ideal for today’s work-from-home lifestyle, guest space, or additional living area. Large sliding glass doors lead to a beautifully landscaped backyard and garden, offering a peaceful outdoor retreat with space for entertaining, outdoor dining, and summer barbecues. This property includes an unfinished basement offering additional storage.
Located on Long Island’s desirable South Shore, this home combines charm, natural light, and functional living space in a sought-after neighborhood close to parks, shopping, dining, and convenient transportation.

Listed by Sandra Murray

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Signature Premier Properties

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516-785-0100

Listed by Kaylin M. Scanlon

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Signature Premier Properties

Last updated March 15, 2026

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Source: OneKey #969549

Listing Facts

  • TypeSingle-family
  • NeighborhoodSeaford
  • Bedrooms5
  • Bathrooms2
  • Days on Prevu6
  • Taxes$13,725.68/year
  • Size1,496 sqft
  • Price per sqft$467

Amenities

  • Dishwasher
  • Washer/Dryer

Location

Mortgage Calculator

Listing History

03/10/2026
Listed by Signature Premier Properties
$699,000

Property Details for 3992 William Street

Exterior

Construction

  • Year Built: 1930
  • Architectural Style: Exp Cape
  • Construction Materials: Vinyl Siding

Features

  • Fencing: Fenced, Full

Measurements

  • Building Area Total: 1,496
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.13
  • Lot Size Square Feet: 5,750

Financial

Taxes

  • Parcel Number: 2089-52-151-00-0072-0
  • Tax Annual Amount: $13,725.68
  • Tax Assessed Value: $529.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Gas Cooktop, Gas Oven, Refrigerator, Washer, Gas Water Heater
  • Fireplace Features: Wood Burning
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Interior Features: First Floor Full Bath, Ceiling Fan(s), Eat-in Kitchen, Formal Dining, Granite Counters, Natural Woodwork, Pantry

Measurements

  • Living Area: 1,496
  • Living Area Source: Public Records

Rooms

  • Basement: Full, Storage Space, Unfinished
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 5
  • Rooms Total: 8

Parking

Parking

  • Parking Features: Driveway, On Street

Schools

Elementary School

  • Elementary School: Seaford Manor School
  • Elementary School District: Seaford

High School

  • High School: Seaford Senior High School
  • High School District: Seaford

Middle or Junior School

  • Middle Or Junior School: Seaford Middle School
  • Middle Or Junior School District: Seaford

Utilities

Equipment

  • Cooling: Wall/Window Unit(s)
  • Heating: Natural Gas
  • Laundry Features: In Basement
  • Sewer: Public Sewer
  • Utilities: Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Water Connected
  • Water Source: Public

Frequently Asked Questions

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

There are 5 bedrooms and 2 bathrooms in this single-family home at 3992 William Street.

What schools are nearby to 3992 William Street?

Nearby schools include the Seaford Manor School Elementary School, Seaford Middle School, and Seaford Senior High School.

What are the annual taxes for 3992 William Street?

Annual taxes for this single-family home are estimated at $13,725.

How does 3992 William Street compare to other single-family homes in Seaford?

This single-family home is listed 15% below the average price for single-family homes in Seaford and has been on the market for 72 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 1,496 sqft.

3992 William Street is a 5-bedroom, 2-bath single-family home for sale in Seaford NY 11783. On Prevu for 6 days at $699,000. This residence features 1,496 square feet of living space, located in Seaford. The median listing price for single-family homes in this area is $824,500. Nearby schools include Seaford Manor School Elementary School, Seaford Middle School, and Seaford Senior High School. Property amenities include dishwasher and washer/dryer. Browse more single-family home listings in Nassau County.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. 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. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

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.