137 Riverside Avenue, Mastic Beach, NY 11951

• 3 beds |
• 1 bath |
• 1,161 sqft

Property Description

This beautifully maintained 3 Bedroom Ranch offers the perfect blend of comfort, charm, and convenience with easy one-level living on a generous property in the William Floyd School District. Featuring hardwood floors and a bright, airy layout ideal for entertaining, this home includes a welcoming living room and a spacious eat-in kitchen with a large dining area—perfect for gatherings and everyday living. Enjoy peace of mind with major updates already completed, including a new heating system, new roof, updated siding, and windows, providing both efficiency and lasting value. Step outside to your private backyard retreat where the property extends down to a peaceful creek, offering a rare natural setting and a serene backdrop for relaxing, entertaining, or enjoying the outdoors. A fantastic opportunity to own a move-in ready home with valuable upgrades, conveniently located close to beaches, parks, shopping, and transportation. Call today for a private showing

Listing Status:

Active

Data Last Updated:

February 18, 2026 at 7:20AM

Listing Office:

Signature Homes of New York : 631-909-7200

MLS ID:

959543

Interior

• General: First Floor BedroomFirst Floor Full BathEat-in KitchenPrimary Bathroom
• Appliances: DishwasherDryerElectric OvenRefrigeratorWasher
• Laundry: Electric Dryer HookupWasher Hookup
• Flooring: Hardwood
• A/C: None
• Heating: Oil

Exterior

• Style: Ranch
• Parking: DrivewayGarage

Location

• Originating MLS: onekey2
• School District: William Floyd
• County: Suffolk County

Lot

• Zoning: 0200-939-00-07-00-016-000

Utilities

• Utilities: Cable AvailableElectricity ConnectedPhone AvailableTrash Collection PublicWater Connected
• Water: Public
• Sewer: Cesspool

Financial

• Source: onekey2