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3186 William StreetWantagh, NY 11793

For Sale

$1,199,000

Smart Buyer Rebate $11,990

Welcome to 3186 William Street in the highly desirable Brookside Estates section of Wantagh. This beautifully renovated 4-bedroom, 2-bathroom Hamptons-style Coastal Colonial offers 2,466 square feet of expansive living space across a quarter acre of corner property - the perfect retreat for relaxation, entertaining, and comfort. Beautiful new white oak and red oak floors throughout. The sunlit living room features vaulted ceilings, oversized windows, ceiling fan, a wood-burning fireplace, and sliding doors to the deck. Enjoy the convenience of a first-floor bathroom with a shower and a spacious dining room for gatherings. The updated eat-in kitchen is a chef's dream with sweeping Calcutta Gold quartz countertops and backsplash, plenty of cabinet space, and stainless steel appliances, including a gas range oven, dishwasher, and Monogram glass-door refrigerator. An adjacent breakfast nook area offers extra seating for comfort. The multi-seasonal sunroom provides more natural light and outdoor views. Upstairs features three bedrooms and a fourth bedroom with the possibility of a loft, family room, home office, or play area. Skylights and electric windows throughout. The second floor also features a second full bathroom with a whirlpool jetted tub and steam shower, as well as a moisture-resistant cedar wood sauna for a tranquil indoor spa space. Enjoy the ultimate backyard oasis with a lit deck, 10-foot deep heated in-ground pool with a new diving board, paved patio, arborvitae for privacy, and a terrace for quiet reading and BBQs. Plenty of storage space above the two-car garage and a cabana for pool equipment. Incredible potential with the full, unfinished basement for a gym or additional storage. Additional highlights include in-ground sprinklers with seven zones, new double-hung windows, new garage door, central AC on the second floor, and plenty of closet space throughout. Ideally located near popular restaurants, shopping, parks, major parkways, beaches, and within walking distance of the LIRR. Don't miss out on the rare opportunity to own this elegant, expansive Hamptons-style home in Wantagh. Schedule a private showing at 3186 William Street today!

Listed by Alexander Iaquinta

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Iaquinta Premier Properties

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516-992-2888

Last updated September 13, 2026

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Source: OneKey #1048220

Listing Facts

  • TypeSingle-family
  • NeighborhoodWantagh
  • Bedrooms4
  • Bathrooms2
  • Days on Prevu4
  • Taxes$17,039/year
  • Size2,466 sqft
  • Price per sqft$486

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

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Listing History

09/11/2026
Listed by Iaquinta Premier Properties
$1,199,000
  1. 09/11/2026$1,199,000
    Listed by Iaquinta Premier Properties

Property Details for 3186 William Street

Exterior

Construction

  • Window Features: Bay Window(s), Casement, Oversized Windows, Skylight(s)
  • Year Built: 1918
  • Architectural Style: Colonial
  • Construction Materials: Frame

Features

  • Fencing: Back Yard
  • Other Structures: Cabana
  • Patio And Porch Features: Deck, Patio, Terrace
  • Pool Features: Diving Board, Electric Heat, In Ground
  • Pool Private: Yes

Measurements

  • Building Area Total: 2,466
  • Building Area Units: Square Feet
  • Lot Features: Corner Lot
  • Lot Size Acres: 0.25
  • Lot Size Dimensions: 78,140
  • Lot Size Square Feet: 11,199

Financial

Taxes

  • Parcel Number: 2089-56-217-00-0022-0
  • Tax Annual Amount: $17,039.00
  • Tax Assessed Value: $633.00
  • Tax Year: 2026

Interior

Features

  • Appliances: Dishwasher, Dryer, Gas Range, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
  • Fireplace Features: Living Room, Wood Burning
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Carpet, Combination, Hardwood, Tile
  • Interior Features: First Floor Full Bath, Ceiling Fan(s), Chandelier, Eat-in Kitchen, Formal Dining, High Ceilings, Quartz/Quartzite Counters, Sauna
  • Spa Features: Bath

Measurements

  • Living Area: 2,466
  • Living Area Source: Public Records

Rooms

  • Basement: Full, Storage Space, Unfinished
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 4
  • Rooms Total: 10

Other

Location

  • Subdivision Name: Brookside Estates

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Detached, Driveway, Garage, Private

Schools

Elementary School

  • Elementary School: Forest Lake School
  • Elementary School District: Wantagh

High School

  • High School: Wantagh Senior High School
  • High School District: Wantagh

Middle or Junior School

  • Middle Or Junior School: Wantagh Middle School
  • Middle Or Junior School District: Wantagh

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Natural Gas
  • Laundry Features: In Basement
  • Sewer: Public Sewer
  • Utilities: Electricity Available, Electricity Connected, Natural Gas Available, Natural Gas Connected, Water Available, Water Connected
  • Water Source: Public

Frequently Asked Questions

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

There are 4 bedrooms and 2 bathrooms in this single-family home at 3186 William Street.

What schools are nearby to 3186 William Street?

Nearby schools include the Forest Lake School Elementary School, Wantagh Middle School, and Wantagh Senior High School.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 3186 William Street.

What are the annual taxes for 3186 William Street?

Annual taxes for this single-family home are estimated at $17,039.

How does 3186 William Street compare to other single-family homes in Wantagh?

This single-family home is listed 12% above the average price for single-family homes in Wantagh and has been on the market for 90 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 2,466 sqft.

3186 William Street is a 4-bedroom, 2-bath single-family home for sale in Wantagh NY 11793. Available on Prevu for 4 days at $1,199,000. This home features 2,466 square feet of living space, located in Wantagh. The median listing price for single-family homes in this area is $848,944. Nearby schools include Forest Lake School Elementary School, Wantagh Middle School, and Wantagh Senior High School. Property amenities include private outdoor space, dishwasher, air conditioning, parking, swimming pool, and washer/dryer. View other 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.