21 Innis Avenue, Ronkonkoma, NY 11779

Local realty services provided by:Better Homes and Gardens Real Estate Choice Realty
21 Innis Avenue,Ronkonkoma, NY 11779
$649,900
  • 4 Beds
  • 3 Baths
  • 1,622 sq. ft.
  • Single family
  • Active
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!

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:1944
  • Listing ID #:954005
  • Added:8 day(s) ago
  • Updated:January 30, 2026 at 11:43 AM

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)
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 21 Innis Avenue