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MLS ID KEY993715Last updated Oct 12, 2026

Single Family

21 Chauncey Place

Active · Oyster Bay · Nassau County, NY 11797

Bedrooms
5 Beds
Bathrooms
6 Baths
Year built
1995
Est. monthly taxes
$3,612.5
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About this home

Welcome to this exceptional custom-built Colonial nestled in the highly sought-after Swan Lake development of Woodbury, located within the award-winning Syosset School District. Boasting approximately 6,000 square feet of thoughtfully designed living space, this magnificent residence offers 12 spacious rooms, including 5 generously sized bedrooms—each featuring its own walk-in closet—and 6 full bathrooms. Crafted with superior quality and attention to detail, this home features stunning marble and granite finishes throughout, creating a timeless and elegant atmosphere. The expansive layout offers seamless flow, ideal for both everyday living and entertaining on a grand scale. The fully finished basement with outside entrance provides versatile additional living space, perfect for recreation, guests, or extended family. Step outside to a beautifully level and private backyard, where luxury meets lifestyle. The outdoor kitchen area is a true showpiece, complete with a pizza oven imported directly from Italy—perfect for entertaining and creating unforgettable experiences. This one-of-a-kind residence is more than just a home—it’s a true oasis offering sophistication, comfort, and exceptional craftsmanship in one of Woodbury’s premier locations.

Listing snapshot

Days on site
59 days
Listed on MLS
May 3, 2026
Full baths
5
Half baths
1
Annual property tax (MLS)
$43,350
Tax year
2025
Association / maintenance fees (MLS)
$250 / Annually
Fees include (MLS)
Common Area Maintenance, Grounds Care, Other
Area source (MLS)
Other
Listing brokerage
Signature Premier Properties
MLS ID
KEY993715
Last updated
Oct 12, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1995
Garage
Yes
Garage spaces
1
Parking
Carport, Driveway, Garage, Garage Door Opener, Private
Water source
Public
Sewer
Cesspool
Utilities
Cable Available, Cable Connected, Electricity Available, Electricity Connected, Natural Gas Available, Natural Gas Connected, Phone Available, Phone Connected, Trash Collection Private, Underground Utilities, Water Available, Water Connected

Interior features

Basement
Finished, Full, Walk-Out Access
Heating
Ducts, Forced Air, Hot Water, Natural Gas, Radiant Floor
Cooling
Air Purification System, Central Air, Electric
Interior
First Floor Bedroom, First Floor Full Bath, Beamed Ceilings, Bidet, Cathedral Ceiling(s), Central Vacuum, Chandelier, Chefs Kitchen, Crown Molding, Formal Dining, Granite Counters, High Ceilings, Kitchen Island, Marble Counters, Open Kitchen
Appliances
Convection Oven, Cooktop, Dishwasher, Exhaust Fan, Gas Cooktop, Gas Oven, Gas Range, Refrigerator, Stainless Steel Appliance(s), Gas Water Heater

Exterior features

Architectural style
Estate
Construction materials
Stucco
Private pool
No

Schools (MLS)

Elementary school
Berry Hill 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 11797Show interactive map
21 Chauncey Place

Oyster Bay · Nassau County, NY 11797

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.