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$585,000

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 2 Full Baths
  • 1 Partial Bath
  • 1,272 Sq. Ft.
  • Updated 6 days ago
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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.

Full Property Details for 17 Riverside Ave

General

  • Price: $585,000
  • Taxes: $10,102
  • Status: Active
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 955567
  • Updated: 2/13/2026
  • Added to Site: 30 day(s) ago

Interior

  • Number of Rooms: 12
  • Interior Features: Cathedral Ceiling(s), Ceiling Fan(s), Eat-in Kitchen, Formal Dining, High Ceilings, Open Floorplan, Recessed Lighting, Tray Ceiling(s)
  • Fireplace: Yes
  • Appliances: Dishwasher, Dryer, Electric Range, Refrigerator, Stainless Steel Appliance(s)

Rooms

Bathrooms

  • Total Bathrooms: 3
  • Full Bathrooms: 2
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 4

Parking

  • Parking Features: Driveway

Location

  • County: Suffolk County

School Information

  • High School District: William Floyd
  • Elementary School: Nathaniel Woodhull Elementary School
  • Middle School: William Floyd Middle School
  • High School: William Floyd High School

Heating & Cooling

  • Cooling Type: Wall/Window Unit(s)
  • Heating Type: Baseboard
  • Heating Zones: 3

Utilities

  • Sewer: Cesspool
  • Water: Public
  • Utility Description: Cable Connected, Electricity Connected, Water Connected

Structural Information

  • Architectural Style: Raised Ranch
  • Detached/Attached: Detached
  • Construction: Shingle Siding
  • Building Size: 1272
  • Square Feet: 1,272
  • Sq. Ft. Source: Other
  • Year Built: 1982

Lot Features

  • Lot Size (Acres): 0.25
  • Lot Size (Sq. Ft.): 10,890

Water Features

  • Water Front View: Bulkhead

Financial Considerations

  • Tax Amount: $10,102.69

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 0200-940-00-05-00-023-000

Listed by Handsome Real Estate Inc

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Listing agent

— 17 Riverside Ave —

  • Handsome Real Estate Inc

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NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Schools serving 17 Riverside Ave

School District:William Floyd Union Free School District
NameGradesDistance
Nathaniel Woodhull Elementary School
6 Francis Landau Place, Shirley, NY 11967
K-51.2 mi
William Floyd Middle School
630 Moriches-Middle Island Road, Moriches, NY 11955
6-81.8 mi
William Floyd High School
240 Mastic Beach Road, Mastic Beach, NY 11951
9-121.1 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 17 Riverside Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
1/26/2026
Listed
$585,000
80%
MLS
7/24/2014
Sold
$325,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 17 Riverside Ave

Year
Property Taxes
Change
Tax Assessment
Change
2020
100%
$2,390
—
2022
100%
$2,390
—
2021
-100%
$2,390
—
2020
$10,877
2%
$2,390
—
2018
$10,648
2%
$2,390
—
2017
$10,457
8%
$2,390
—
2016
$9,719
2%
$2,390
—
2015
$9,485
3%
$2,390
—
2015
$9,203
40%
$2,390
—
2014
$6,594
3%
$2,390
—
2013
$6,388
—
$2,390
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Listed by Handsome Real Estate Inc

17 Riverside Avenue, Mastic Beach, NY 11951 (MLS# 955567) is a Single Family property with 4 bedrooms, 2 full bathrooms and 1 partial bathroom. 17 Riverside Avenue is currently listed for $585,000 and was received on January 26, 2026. Want to learn more about 17 Riverside Avenue? Do you have questions about finding other Single Family real estate for sale in Mastic Beach? You can browse all Mastic Beach real estate or contact a Coldwell Banker agent to request more information.

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