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$1,350,000

Listing Price

5beds

3baths

2,422sqft

7,360sqft lot

21 Williams Ave, Syosset, NY 11791

Member Features

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  • Full foreclosure details

  • Home value, equity and ownership info

  • Find homes priced below market

  • Get full access with a FREE Account

Already a member?

For Sale

Off Market

Single Family

Home type

452.44

Price / sqft

1955

Year built

Home Details

Welcome to the highly sought-after Syosset School District! This stunning turnkey Colonial home, with a fully gut-renovated interior using high-quality materials, boasts a modern look with engineered wood floors throughout. Situated on a spacious 7,360 square foot corner lot, this home features 5 generously sized bedrooms and 3 full baths. As you step inside, youll be immediately impressed by the beautifully updated flooring and the abundance of natural light that floods the living areas. The first floor includes a spacious living room, a family room, and a bedroom with an en-suite bathroom. The updated eat-in kitchen is a chefs delight, featuring custom cabinetry, energy-efficient appliances, and a sliding door that provides easy access to the backyard, perfect for outdoor entertainment and relaxation. Upstairs, youll find the master suite with a full custom bath and a walk-in closet, along with 3 additional bedrooms and 1 full bath. The upgraded bathrooms feature smart toilets, adding a touch of modern convenience. The full basement provides extra space and a storage area. Other highlights of this magnificent home include recently updated within the last few years central air conditioning and boiler, roofing and siding, a 2-car garage, and an attic above the garage that can be used as an extra storage room. The property is conveniently located near shopping and schools, convenience to all.

Interior Details

Square Feet
  • 2422

Bedrooms
  • 5

Bathrooms
  • 3

Heating
  • Has Heating:

    Yes

  • Heating Type:

    Central

Cooling
  • Has Cooling:

    Yes

  • Cooling Type:

    Central

Fuel
  • Has Fuel:

    Yes

  • Fuel Type:

    Oil

Basement
  • Has Basement:

    No

  • Basement Type:

    Full

Flooring
  • Has Flooring:

    No

  • Flooring Type:

    N/A

Fireplace
  • Has Fireplace:

    Yes

  • Fireplace Type:

    N/A

Property Details

Lot Size
  • 7360

Water
  • Yes

Sewer
  • Yes

Parking
  • Type:

    Garage, Attached

  • Location:

    N/A

  • Status:

    N/A

  • Number of Spaces:

    2

Deck
  • N/A

Patio
  • N/A

Fence
  • N/A

Pool
  • N/A

Porch
  • N/A

Stoop
  • N/A

Breezeway
  • N/A

Construction Details

Number of Stories
  • 2

Style
  • Colonial

Exterior
  • Frame

Foundation
  • N/A

Roof
  • N/A

Roofing Material
  • Other (not Classified)

Tax History

Year

Amount

Land

Improvement

Percent Change

Assessment

2019

$16,517

$352

$440

--%

$792

2019

$16,517

$708

$313

--%

$1,021

2018

$16,588

$708

$381

--%

$1,089

2016

$16,893

$708

$449

--%

$1,157

2016

$16,893

$708

$564

--%

$1,272

2014

$14,924

$708

$701

--%

$1,409

2014

$14,924

$708

$644

--%

$1,352

2012

$15,157

$708

$689

--%

$1,397

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Average Home Price in 11791

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4 Beds

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5 Beds

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Sold 10/12/2026

$1,588,000

4 Beds

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Sold 10/18/2026

$1,499,999

-- Beds

3.5 Baths

2,730 Sqft

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Sold 10/18/2026

$1,529,000

5 Beds

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6,500 Lot (sqft)

Sold 09/29/2026

$1,303,524

-- Beds

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Sold NaN/NaN/NaN

percent-home-icon

Calculators

Mortgage

Mortgage Calculator

Calculate your monthly mortgage payments.
Household Income
70,000
$
Home price
1,350,000
$
Down payment
270,000
$
Mortgage Rate
6.5
%
Loan Term
Property Tax Rate
1.1
%
Homeowner's Insurance (Annual)
8,100
$
HOA (Monthly)
0
$
PMI
0
$
$8,739
Your Payment
Total Monthly Payment:$8,739
Percent of Income:150%
Affordable:No

Details for 21 WILLIAMS AVE

Property Debt

Foreclosure Contact Details