13 Riverside Avenue, Mastic Beach, NY 11951

Local realty services provided by:Better Homes and Gardens Real Estate Dream Properties
13 Riverside Avenue,Mastic Beach, NY 11951
$549,000
  • 3 Beds
  • 3 Baths
  • 2,340 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sat, Jan 31
    11:00 am - 01:00 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

Contact an agent

contact an agent

Yes, I would like more information. Please use and/or share my information with a BHGRE®  affiliated agent to contact me about my real estate needs. By clicking Send message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a BHGRE®  affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (CENTURY 21® , Coldwell Banker® , Corcoran® , ERA® , Sotheby's International Realty® ). I acknowledge that I have read and agree to theTerms of useandPrivacy notice

Home facts

  • Year built:1972
  • Listing ID #:955402
  • Added:2 day(s) ago
  • Updated:January 30, 2026 at 11:43 AM

Rooms and interior

  • Bedrooms:3
  • Total bathrooms:3
  • Full bathrooms:3
  • 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

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)
Copyright 2026 OneKey MLS. All rights reserved. Listings courtesy of OneKey MLS as distributed by MLS GRID <lastMLSCheckTimestamp>. OneKey MLS provides content displayed here (“provided content”) on an “as is” basis and makes no representations or warranties regarding the provided content, including, but not limited to those of non-infringement, timeliness, accuracy, or completeness. Individuals and companies using information presented are responsible for verification and validation of information they utilize and present to their customers and clients. OneKey MLS will not be liable for any damage or loss resulting from use of the provided content or the products available through Portals, IDX, VOW, and/or Syndication. Recipients of this information shall not resell, redistribute, reproduce, modify, or otherwise copy any portion thereof without the expressed written consent of OneKey MLS.

New listings near 13 Riverside Avenue