13 Riverside Avenue, Mastic Beach, NY 11951
Local realty services provided by:Better Homes and Gardens Real Estate Green Team
13 Riverside Avenue,Mastic Beach, NY 11951
$549,000
- 3 Beds
- 3 Baths
- 2,340 sq. ft.
- Single family
- Active
Upcoming open houses
- Sat, Mar 2812:00 pm - 02:00 pm
Listed by: tina jahrsdoerfer, toni j. flohr
Office: exp realty
MLS#:955402
Source:OneKey MLS
Price summary
- Price:$549,000
- Price per sq. ft.:$234.62
About this home
Waterfront living with endless potential on Poospatuck Creek, offering direct access to the Forge River and beyond. This split-level home is all about location, views, and opportunity. The upper level features an open floor plan designed to capture the water from every angle, with three sliding glass doors that open to a sprawling upper deck, perfect for entertaining, relaxing, and soaking in the scenery.
Enjoy 100 feet of bulkhead and your own private dock, ideal for boating, kayaking, paddle boarding, or simply enjoying life on the water. Wake up to stunning sunrises and wind down with peaceful sunsets reflected across the creek. This setting delivers true waterfront serenity.
The home offers two additional rooms with flexible use, ideal for a home office, gym, game room, or creative space. Buyers may also choose to add wardrobes to use these rooms as additional sleeping areas.
The lower level includes exterior entrances, creating excellent potential for a guest suite or accessory apartment with proper permits. Whether you envision multigenerational living, rental income, or flexible work-from-home space, the layout supports a variety of possibilities
This home offers a fantastic opportunity for buyers ready to bring their vision and create a custom waterfront retreat tailored to their style. With an unbeatable waterfront setting, this is a rare chance to own property with direct access to the Forge River and the Great South Bay....
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Home facts
- Year built:1972
- Listing ID #:955402
- Added:59 day(s) ago
- Updated:March 28, 2026 at 06:40 PM
Rooms and interior
- Bedrooms:3
- Total bathrooms:3
- Full bathrooms:3
- Rooms Total:10
- Dining Description:Eat-In Kitchen
- Kitchen Description:Eat-in Kitchen
- Bedroom Description:First Floor Bedroom
- Living area:2,340 sq. ft.
Heating and cooling
- Heating:Baseboard, Hot Water, Oil
Structure and exterior
- Year built:1972
- Building area:2,340 sq. ft.
- Lot area:0.25 Acres
- Architectural Style:Split Level
- Construction Materials:Vinyl Siding
Schools
- High school:William Floyd High School
- Middle school:William Paca Middle School
- Elementary school:Tangier Smith Elementary School
Utilities
- Water:Public
- Sewer:Cesspool
Finances and disclosures
- Price:$549,000
- Price per sq. ft.:$234.62
- Tax amount:$12,175 (2025)
Features and amenities
- Laundry features:Washer/Dryer Hookup
- Amenities:Open Floorplan
Parking
- Parking description:Driveway, Garage
- Garage:Yes
- Garage spaces:1
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