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MLS ID KEY1048220Last updated Oct 21, 2026

Single Family

3186 William Street

Active · Hempstead · Nassau County, NY 11793

Bedrooms
4 Beds
Bathrooms
2 Baths
Year built
1918
Est. monthly taxes
$1,419.92
Property gallery0 / 44
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About this home

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!

Listing snapshot

Days on site
46 days
Listed on MLS
Sep 11, 2026
Full baths
2
Half baths
0
Annual property tax (MLS)
$17,039
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
Iaquinta Premier Properties
MLS ID
KEY1048220
Last updated
Oct 21, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1918
Garage
Yes
Garage spaces
2
Parking
Detached, Driveway, Garage, Private
Water source
Public
Sewer
Public Sewer
Utilities
Electricity Available, Electricity Connected, Natural Gas Available, Natural Gas Connected, Water Available, Water Connected

Interior features

Basement
Full, Storage Space, Unfinished
Heating
Natural Gas
Cooling
Central Air
Interior
First Floor Full Bath, Ceiling Fan(s), Chandelier, Eat-in Kitchen, Formal Dining, High Ceilings, Quartz/Quartzite Counters, Sauna
Appliances
Dishwasher, Dryer, Gas Range, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
Flooring
Carpet, Combination, Hardwood, Tile
Fireplace
Yes
Fireplaces
1

Exterior features

Architectural style
Colonial
Construction materials
Frame
Private pool
Yes

Schools (MLS)

Elementary school
Forest Lake School
Elementary school district
Wantagh
Middle school
Wantagh Middle School
Middle school district
Wantagh
High school
Wantagh Senior High School
High school district
Wantagh

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

Hempstead · Nassau County, NY 11793Show interactive map
3186 William Street

Hempstead · Nassau County, NY 11793

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.