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MLS ID KEY1061821Last updated Oct 18, 2026

Single Family

55 Belmont Circle

Active · Oyster Bay · Nassau County, NY 11791

Bedrooms
6 Beds
Bathrooms
6 Baths
Year built
2019
Est. monthly taxes
$2,083.33
Property gallery0 / 46
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About this home

Exceptional Brick Colonial built in 2019 designed with exceptional attention to detail and custom millwork. Offering six bedrooms, five full bathrooms, and one powder room, approximately 3000 square feet plus additional approximate 1200 square feet of finished basement with outside entrance. First floor features a gracious bright and spacious entry foyer with radiant heated floors, beautifully appointed formal living and formal dining room with decorative ceiling, family room with wood-burning fireplace and coffered ceiling, gourmet eat-in kitchen featuring premium Viking appliances, gas cooking, and luxurious marble countertops and backsplash. First-floor bedroom with a full bathroom, powder room, and attached one-car garage complete the main level. The second floor features an oversized primary suite with spacious walk-in closets with custom closet systems, cathedral ceiling, and a spa-inspired marble bathroom, radiant heated floors and a freestanding soaking tub. An additional junior ensuite with an oversized bathroom, two additional generously sized bedrooms, hall bathroom, and laundry. The impressive lower level boasts nine-foot ceilings, an additional bedroom, full bathroom, ample storage, and a convenient outside entrance. A custom temperature-controlled wine cellar and specially vented cigar room create the ultimate setting for sophisticated entertaining. Whole house generator, reverse osmosis water filtration system, ring cameras, gas heat, central air, and hardwood floors. Outdoors is professionally landscaped surrounded by mature evergreens and enhanced by elegant landscape uplighting. A custom masonry outdoor kitchen with stainless steel appliances and fire-pit. Custom backyard shed to match the aesthetic of the home. Syosset schools. Won't Last!!

Listing snapshot

Days on site
12 days
Listed on MLS
Oct 16, 2026
Full baths
5
Half baths
1
Annual property tax (MLS)
$25,000
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
Douglas Elliman Real Estate
MLS ID
KEY1061821
Last updated
Oct 18, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
2019
Garage
Yes
Garage spaces
1
Parking
Driveway, Garage
Water source
Public
Sewer
Public Sewer
Utilities
Electricity Connected, Natural Gas Connected, Sewer Connected

Interior features

Basement
Finished, Full, See Remarks, Storage Space, Walk-Out Access
Heating
Forced Air, Natural Gas, Radiant, Radiant Floor
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath, Built-in Features, Chandelier, Chefs Kitchen, Crown Molding, Double Vanity, Eat-in Kitchen, Entrance Foyer, Formal Dining, High Ceilings, His and Hers Closets, Kitchen Island, Marble Counters, Open Floorplan, Open Kitchen, Primary Bathroom, Recessed Lighting, Smart Thermostat, Soaking Tub
Appliances
Stainless Steel Appliance(s)
Fireplace
Yes

Exterior features

Architectural style
Colonial
Construction materials
Brick, Frame, Vinyl Siding
Private pool
No

Schools (MLS)

Elementary school
South Grove Elementary School
Elementary school district
Syosset
Middle school
South Woods Middle School
Middle school district
Syosset
High school
Syosset Senior High School
High school district
Syosset

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

Oyster Bay · Nassau County, NY 11791Show interactive map
55 Belmont Circle

Oyster Bay · Nassau County, NY 11791

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.