142 Riverside Avenue, Mastic Beach, NY 11951

• 4 beds |
• 3 baths |
• 2,150 sqft

Property Description

Discover classic Colonial elegance combined with comfortable, modern living in this spacious 4-bedroom, 3-bath 1-attached garage and 1- stand free garage home with a full basement set on more than a half-acre of beautifully landscaped grounds. Inside, enjoy bright, well-proportioned rooms filled with natural light and timeless architectural details. The layout flows easily from formal to casual spaces, making everyday living and hosting effortless. Three full baths add convenience and comfort. Outside is a true private retreat: a resort-style backyard with mature plantings, manicured lawns, and multiple areas for dining, relaxing, and play. Whether you envision summer pool parties, quiet morning coffee, or large outdoor gatherings, this yard delivers. The generous lot also offers room for additions, a garden, or recreational amenities. Don’t miss this rare opportunity to own a home that blends traditional charm, adaptable living space, and an exceptional outdoor environment.

Listing Status:

Active

Data Last Updated:

June 10, 2026 at 2:21PM

Listing Office:

Coldwell Banker American Homes : 631-588-9090

MLS ID:

1009138

Interior

• General: Entrance FoyerHis and Hers ClosetsWasher/Dryer Hookup
• Appliances: DishwasherDryerMicrowaveRangeRefrigeratorStainless Steel Appliance(s)Gas Water Heater
• Basement: Finished
• Flooring: Vinyl
• A/C: Central Air
• Heating: BaseboardOil
• Fireplace: Fireplace

Exterior

• Style: Colonial
• Other Structures: Deck
• Pool: Above Ground
• Parking: DrivewayGarageGarage Door OpenerOff Street

Construction

• General: Bi-Level

Location

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

Lot

• Zoning: 0200-939-00-09-00-017-001
• Fencing: Back YardFenced

Utilities

• Utilities: Cable Connected
• Water: Public
• Sewer: Cesspool

Financial

• Source: onekey2