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4 William StreetCopiague, NY 11726

For Sale

$689,000

Smart Buyer Rebate $4,725

Gorgeous fully renovated large expanded cape situated on a quiet mid block but close to everything. Brand new lined in ground pool, central A/C, new kitchen with quartz countertops, baths and a fire place. New heating system, hot water heater and new W/D. Front and back patios makes it an entertainer’s delight. Make this your next home!!!

Listed by Paul A. Kocabay CBR

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Century 21 AA Realty

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516-826-8100

Last updated August 23, 2025

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Source: OneKey #902951

Listing Facts

  • TypeSingle-family
  • NeighborhoodCopiague
  • Bedrooms4
  • Bathrooms2
  • Days on Prevu17
  • Taxes$13,223.33/year
  • Size1,910 sqft
  • Price per sqft$361

Amenities

  • Dishwasher
  • Washer/Dryer
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

08/19/2025
Listed by Century 21 AA Realty
$689,000

Property Details for 4 William Street

Exterior

Construction

  • Property Condition: Updated/Remodeled
  • Window Features: Bay Window(s)
  • Year Built: 1950
  • Architectural Style: Exp Cape
  • Construction Materials: Vinyl Siding

Features

  • Fencing: Front Yard
  • Pool Features: In Ground
  • Pool Private: Yes
  • Road Frontage Type: County Road

Measurements

  • Building Area Total: 1,510
  • Building Area Units: Square Feet
  • Frontage Type: County Road
  • Lot Features: Back Yard, Front Yard, Near Public Transit, Near School, Near Shops
  • Lot Size Acres: 0.24
  • Lot Size Square Feet: 10,560

Financial

Taxes

  • Parcel Number: 0100-180-00-04-00-066-000
  • Tax Annual Amount: $13,223.33
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Electric Oven, Electric Range, Exhaust Fan, Microwave, Refrigerator, Washer, Gas Water Heater
  • Fireplace Features: Living Room
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Carpet, Vinyl
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Eat-in Kitchen, Kitchen Island, Open Kitchen, Quartz/Quartzite Counters, Recessed Lighting

Measurements

  • Living Area: 1,910
  • Living Area Source: Public Records

Rooms

  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 4
  • Rooms Total: 6

Parking

Parking

  • Parking Features: Driveway, Off Street
  • Parking Total: 2

Schools

Elementary School

  • Elementary School: Deauville Gardens East Elementary
  • Elementary School District: Copiague

High School

  • High School: Walter G O'Connell Copiague High Sch
  • High School District: Copiague

Middle or Junior School

  • Middle Or Junior School: Copiague Middle School
  • Middle Or Junior School District: Copiague

Utilities

Equipment

  • Cooling: Central Air, ENERGY STAR Qualified Equipment
  • Heating: Electric
  • Sewer: Cesspool, Septic Tank
  • Utilities: Cable Available
  • Water Source: Public

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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.