12 Mountain Street, Ronkonkoma, NY 11779

Ronkonkoma
Local realty services provided by:Bon Anno Realty ERA Powered
12 Mountain Street,Ronkonkoma, NY 11779
$550,000
  • 3 Beds
  • 2 Baths
  • 1,222 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sun, Oct 18
    11:00 am - 01:00 pm
Listed by: andrew fraczak
Office: oversouth llc.
MLS#:1061438
Source:OneKey MLS

Price summary

  • Price:$550,000
  • Price per sq. ft.:$450.08

About this home

Welcome to this inviting 3-bedroom, 2-bath ranch in Ronkonkoma, offering a thoughtful combination of recent improvements, everyday comfort, and practical living spaces. The beautifully renovated kitchen, updated within the past two years, serves as a welcoming centerpiece of the home, offering a refreshed space for relaxing, cooking and gathering. The convenient ranch-style layout is complemented by a full basement, providing additional space and flexibility with a separate entrance . Notable improvements include a roof replaced in 2019, a 200-amp electrical panel, and an oil burner and hot water tank approximately five years old. Four-zone oil-fired baseboard heating and ductless air units installed approximately six years ago provide options for year-round temperature control. Outside, a five-zone in-ground sprinkler system services both the front and rear yards. Additional features include kitchen appliances approximately six years old and a washer and dryer replaced approximately...

Contact an agent

contact an agent

Yes, I would like more information. Please use and/or share my information with an ERA®  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 an ERA®  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 (BHGRE® , CENTURY 21® , Coldwell Banker® , Corcoran® , Sotheby's International Realty® ). I acknowledge that I have read and agree to theTerms of useandPrivacy notice

Home facts

  • Year built:1965
  • Listing ID #:1061438
  • Added:6 day(s) ago
  • Updated:October 18, 2026 at 11:41 PM

Rooms and interior

  • Bedrooms:3
  • Total bathrooms:2
  • Full bathrooms:2
  • Rooms Total:9
  • Flooring:Hardwood
  • Kitchen Description:Dishwasher, Microwave, Refrigerator
  • Bedroom Description:First Floor Bedroom
  • Basement:Yes
  • Basement Description:Finished, Full
  • Living area:1,222 sq. ft.

Heating and cooling

  • Heating:Baseboard, Forced Air, Oil

Structure and exterior

  • Year built:1965
  • Building area:1,222 sq. ft.
  • Lot area:0.25 Acres
  • Architectural Style:Ranch
  • Construction Materials:Frame
  • Levels:1 Story

Schools

  • High school:Centereach High School
  • Middle school:Dawnwood Middle School
  • Elementary school:Holbrook Road School

Utilities

  • Water:Public, Water Available
  • Sewer:Cesspool

Finances and disclosures

  • Price:$550,000
  • Price per sq. ft.:$450.08
  • Tax amount:$12,829 (2026)

Features and amenities

  • Appliances:Dishwasher, Microwave, Refrigerator
  • Laundry features:Washer/Dryer Hookup

Parking

  • Total parking spaces:7
  • Parking description:Driveway, Garage
  • Garage:Yes
  • Garage spaces:1
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 12 Mountain Street