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43 Casey LaneMount Sinai, NY 11766

For Sale

$1,649,900

Smart Buyer Rebate $16,499

Welcome to this magnificent home in prestigious Mount Sinai. This home features a front porch with lighting and front waterfall. Enter into a two-story foyer through the double glass doors from Italy. This leads into the formal living room, large formal dining room with tray ceilings and into the magnificent new kitchen with an island. The kitchen has granite countertops, Viking stainless steel appliances, six burner stove, two porcelain Kohler sinks with stainless steel faucets, five decorative light fixtures, walk in pantry. From the kitchen to the dinngroom there is a butlers pantry with Viking wine fridge, cabinets with glass doors. There is a hallway leading to an office with tongue and groove and full bath. There is radiant heat in kitchen, office, hall and baths. From the kitchen, look into your large den with fireplace and Crawford ceilings. There are sliders leading to the yard. Climb the beautiful staircase to the master bedroom suite with white carpet, tray ceilings, 2 walk-in closets (one has access to attic) full bath with Jacuzzi, full shower, new vanities and radiant heat. There are 3 additional large bedrooms and a full bath with double sink, stall shower, and linen closet. The laundry room is upstairs with whirlpool washer, and dryer, table with wood counter and cabinets. There is a full finished basement with an outside entrance. The basement offers a theater room with projector & stadium seating, bedroom, full bath also storage room with Control4 smart system & dual 150 amp panels, utility room with 100 gallon hot water heater. Now go relax in your oasis backyard featuring a 20' x 40' deck with an Altima stainless steel grill, Emerson mini fridge & sink. Float away in the 45' x 45’ heated L shaped inground pool with a rock formation waterfall, outdoor Jacuzzi, pool house with full bath & sitting are and full basement for storage , gas fire pit. There are fire torches and lighting under the trees and around the pool. This home has new CAC, raised panel doors, and molding throughout. There is a 3 car garage, IGS, outdoor speakers, circular all brick driveway, Unpack and enjoy your Oasis. You’re around the corner from Heritage Park, a short ride to Port Jefferson Village, the LIRR, Port Jefferson ferry, Cedar Beach, and great restaurants and shopping. The owner will be replacing the roof.

Listed by MaryAnn Adams CBR

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Signature Premier Properties

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631-585-8400

Listed by Janice A. Fanelli CBR

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Signature Premier Properties

Last updated September 05, 2025

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Source: OneKey #872175

Listing Facts

  • TypeSingle-family
  • NeighborhoodMount Sinai
  • Bedrooms4
  • Bathrooms5
  • Days on Prevu93
  • Taxes$25,927.58/year
  • Size4,400 sqft
  • Price per sqft$375

Amenities

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

Location

Mortgage Calculator

Listing History

09/04/2025
Price Decreased
$1,649,900
07/30/2025
Price Decreased
$1,649,990
07/01/2025
Price Decreased
$1,679,990
06/05/2025
Listed by Signature Premier Properties
$1,779,000

Property Details for 43 Casey Lane

Exterior

Construction

  • Window Features: Blinds
  • Year Built: 2001
  • Architectural Style: Victorian
  • Construction Materials: Stone, Vinyl Siding

Features

  • Other Structures: Cabana
  • Pool Features: In Ground, Salt Water
  • Pool Private: Yes

Measurements

  • Building Area Total: 4,335
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.81
  • Lot Size Square Feet: 35,284

Financial

Taxes

  • Parcel Number: 0200-164-00-05-00-021-000
  • Tax Annual Amount: $25,927.58
  • Tax Assessed Value: $6,130.00
  • Tax Year: 2024

Interior

Features

  • Appliances: Dishwasher, Dryer, Electric Oven, Freezer, Gas Range, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer, Oil Water Heater, Wine Refrigerator
  • Fireplace Features: Electric, Family Room
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Carpet, Ceramic Tile, Wood
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Central Vacuum, Chefs Kitchen, Crown Molding, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, His And Hers Closets, Kitchen Island
  • Spa: Yes

Measurements

  • Living Area: 4,400
  • Living Area Source: Public Records

Rooms

  • Basement: Finished, Full
  • Has Basement: Yes
  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 5
  • Bedrooms Total: 4
  • Rooms Total: 9

Other

General

  • Exclusions: Diningroom fixture ,foyer fixture or buyer can purchase

Parking

Parking

  • Garage Spaces: 3
  • Garage: Yes

Schools

Elementary School

  • Elementary School: Mt Sinai Elementary School
  • Elementary School District: Mount Sinai

High School

  • High School: ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
  • High School District: Mount Sinai

Middle or Junior School

  • Middle Or Junior School: Mt Sinai Middle School
  • Middle Or Junior School District: Mount Sinai

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Oil, Propane, Radiant, Radiant Floor
  • Other Equipment: Generator, Pool Equip/Cover
  • Sewer: Cesspool
  • Utilities: Cable Connected, Electricity Connected, Propane, Water Connected
  • Water Source: Public

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 2025, 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.