David E. Cornwell
Licensed Real Estate Salesperson
REALTOR®
Walton, NY
Office: (607) 865-7000
(607) 437-8941
Property Description
Come see this spacious 4-bedroom, 2.5-bath waterfront home featuring an open floor plan where you can enjoy breathtaking sunrise views over the water. The property offers a large private bulkhead capable of accommodating up to three boats, making it ideal for boating and waterfront living.This home also includes a well-designed in-law suite, offering flexibility and additional living space. Conveniently located near William Floyd Parkway and Montauk Highway, providing easy access to shopping, dining, and major commuter routes.Enjoy close proximity to local outdoor attractions, including Smith Point County Park, Mastic Beach Conservancy, and the scenic trails and wildlife at Wertheim National Wildlife Refuge. A rare opportunity to own a waterfront home with boating access, nearby beaches, and convenient transportation.
17 Riverside Avenue | MLS# 955567
This single family home located at 17 Riverside Avenue, Mastic Beach, NY 11951 is currently listed for sale with an asking price of $585,000. This property was built in 1982 and has 4 bedrooms and 2 full and 1 partial baths with 1272 sq. ft. Riverside Avenue is located within the William Floyd school district. Search Mastic Beach real estate on david-cornwell.timberlandproperties.com today.
Gallery
Property Features
Property Type: Residential - Single Family
Cooling: Wall/Window Unit(s)
Heating: Baseboard
Home Style: Raised Ranch
Lot Size: 0.25 Acres
Taxes: $10,102
Year Built: 1982
Amenities
Cathedral Ceiling(s)
Ceiling Fan(s)
Eat-in Kitchen
Formal Dining
High Ceilings
Open Floorplan
Recessed Lighting
Tray Ceiling(s)
Feature Descriptions
Appliances: Dishwasher, Dryer, Electric Range, Refrigerator, Stainless Steel Appliance(s)
Attic: Pull Stairs
Building Area Total: 1272
Days on Site: 36
Exterior: Shingle Siding
Fireplace Y/N: Yes
Formal Dining: Yes
Heating Zones: 3
Number Of Kitchens: 2
On Market Date: 2026-01-26
Parcel Number: 0200-940-00-05-00-023-000
Parking Features: Driveway
Rental Term: Monthly
Rooms Total: 12
Sewer: Cesspool
Utilities: Cable Connected, Electricity Connected, Water Connected
Water: Public
Waterfront Features: Bulkhead
Local Schools
High School: William Floyd High School
Middle School: William Floyd Middle School
Elementary School: Nathaniel Woodhull Elementary School
School District: William Floyd
TOUR THIS HOME
17 Riverside Avenue, Mastic Beach, NY 11951
I will get in touch with you shortly.
Estimate Your Payment
Estimated Payment
$ 2,314.41 per month $1,301.96 Principal & Interest $841.83 Property Tax $170.63 Homeowner's InsuranceChange Payment Information
Demographics
Listed By / Shown By
Listing By
Agency Name: Handsome Real Estate Inc
Agency Phone: 631-706-4002
Shown By
Agent Name: David E. Cornwell
Agent Phone: (607) 437-8941
Agency Title: Timberland Properties
SHARE THIS HOME
![]()
![]()
![]()
![]()
17 Riverside Avenue, Mastic Beach, NY 11951
Send an email with a link to
17 Riverside Avenue, Mastic Beach, NY 11951.
Print This Listingx
Select a format below, new window will open and will prompt you to print.
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
All information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal. Neither broker(s), nor agent(s) shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally harmless.
Privacy Policy / DMCA Notice / ADA Accessibility
This site is hosted, designed and copyright
© 1994 - 2026 by
Delta Media Group, Inc. -- Patent Pending --