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21 Innis Avenue, Ronkonkoma, NY 11779

Local realty services provided by:CENTURY 21 Alliance Realty Group
21 Innis Avenue,Ronkonkoma, NY 11779
$649,900
  • 4 Beds
  • 3 Baths
  • 1,622 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sat, Jan 24
    11:00 am - 12:30 pm
Listed by: nicholas j. sekela
Office: oasis realty group llc.
MLS#:954005
Source:OneKey MLS

Price summary

  • Price:$649,900
  • Price per sq. ft.:$400.68

About this home

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!

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Home facts

  • Year built:1944
  • Listing ID #:954005
  • Added:3 day(s) ago
  • Updated:January 24, 2026 at 06:39 PM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:3
  • Full bathrooms:3
  • Living area:1,622 sq. ft.

Heating and cooling

  • Heating:Oil

Structure and exterior

  • Year built:1944
  • Building area:1,622 sq. ft.
  • Lot area:0.14 Acres

Schools

  • High school:Sachem High School North
  • Middle school:Samoset Middle School
  • Elementary school:Hiawatha School

Utilities

  • Water:Public
  • Sewer:Cesspool

Finances and disclosures

  • Price:$649,900
  • Price per sq. ft.:$400.68
  • Tax amount:$9,965 (2025)
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