OneKey® MLS
  • Buy
  • Rent
  • Commercial
  • Find an Agent
  • NYS Fair Housing Notice
  • Language
    Price range
    $
    $
    Bedrooms
    Bathrooms
    Home type
    Square feet
    Lot size
    Heating
    Cooling
    Parking spots
    Garage
    Basement
    Year built
    Max HOA
    Down payment assistanceDown payment assistance
    Tours
    View
    More amenities
    1 home
      1 home available
      21 Innis Avenue, Ronkonkoma, NY 11779
      NEW 3 hrs agoOpen Sat 11:00 AM-12:30 PM
      21 Innis Avenue, Ronkonkoma, NY 11779
      $649,900
      4beds
      3bath
      1,622sqft
      0.14acres
      House for Sale

      21 Innis Avenue, Ronkonkoma, NY 11779

      Listing by: Oasis Realty Group LLC
      1 - 1 of 1 results
      Copyright © 2026 OneKey® MLS LLC
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
      Equal opportunity
      Membio
      OneKey® MLS
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      21 Innis Avenue, Ronkonkoma, NY 11779
      NEW 3 hrs ago
      Open Sat 11:00 AM-12:30 PM
      $649,900
      4beds
      3full,half bath
      1,622sqft
      0.14acres

      21 Innis Avenue, Ronkonkoma, NY 11779

      City/Town:Ronkonkoma   Post Office: Ronkonkoma     

      House for Sale by Nicholas J. SekelaOasis Realty Group LLC.

      Data checked -. Listing last updated 2 hours ago.
      1. Overview
      2. Details
      3. More 

      Don’t miss the opportunity to own this move-in-ready four-bedroom colonial located in the heart of Ronkonkoma. Enter inside to discover a bright and spacious living room and dining room, perfect for everyday living and entertaining. The sun-drenched kitchen features quartz countertops and stainless steel appliances, while the main level also offers a versatile office/bedroom and an additional generously sized bedroom. Upstairs, three well-appointed bedrooms provide comfortable living space for all. Enjoy the convenience of a full bathroom on each level, plus a fully finished basement offering exceptional bonus space for recreation or relaxing with loved ones. Conveniently located nearby the Long Island Railroad, Ronkonkoma Hub, Long Island Expressway, shopping, and more... this home checks every box!

      Internet Serviceability
      Details
        Property type
      Residential
        Year built
      1944
        Heating
      Oil
        Cooling
      None
        Total rooms
      7
        Garage
      No
        City/Town
      Ronkonkoma
        Post Office
      Ronkonkoma
        Parking spots
      -
      954005
      MLS ID
      Active
      Status
      01/21/2026
      On Market Date
        Laundry features
        Flooring
        Fireplace
      No
        Pets allowed
        Architectural Style
      Colonial
        Basement
      Finished
        View
      Interior features
      First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Quartz/Quartzite Counters
      Exterior features
      Lot features
      Appliances included
      Stainless Steel Appliance(s)
      Construction materials
      Frame
      Monthly taxes
      $830
      Yearly taxes
      $9,964.61
      Community Features
      -
      School district
      Sachem
      Schools
      Hiawatha School, Samoset Middle School, Sachem High School North
      Senior community
      No
      Common Charges
      -
      Maintenance
      -
      Additional Fees
      -
      Open Houses
      In-Person
      Sat, Jan 24
      11:00 AM - 12:30 PM
      Eastern Time
      Virtual
      No upcoming virtual open houses
      Contact Agent
      Nicholas J. Sekela
      Nicholas J. Sekela
      Associate Real Estate Broker, Oasis Realty Group LLC
      Direct Number 
       
      Location
      For Sale Nearby
      No nearby homes are For Sale Nearby.
      Recently Sold
      No nearby homes have been Recently Sold.
      21 Innis Avenue, Ronkonkoma, NY 11779, is a 4 bedroom, 3 bathroom, 1622 sqft. Single Family Residence built in 1944. This property is currently available for sale and was listed on OneKey® MLS on 1-21-2026. The MLS# for this Single Family Residence is MLS# 954005.
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
      Copyright ©2026