12 Mountain Street Ronkonkoma, NY $ 550,000
12 Mountain Street
$ 550,000
Recently Listed
Open House 10/17 11am - 1pm
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12 Mountain Street

Ronkonkoma, NY, 11779
$ 550,000
Bedrooms3 Baths2.0 Sq 1,222

Monthly Estimate*

$ 3,799

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Single Family Home for sale in Ronkonkoma, NY

for $550,000 with 3 bedrooms and 2 full baths. This 1,222 square foot home was built in 1965 on a lot size of 0.25.

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 conditioning 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 three years ago. Conveniently situated just minutes from the Ronkonkoma Long Island Rail Road station, this property offers access to regional transportation. With its combination of recent updates, functional features, and convenient location, this ranch presents an opportunity to enjoy all that the property has to offer.

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Open House

10/17/2026 11:00 AM - 1:00 PM
10/18/2026 11:00 AM - 1:00 PM
12 Mountain Street Ronkonkoma, NY
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 550,000

Bedrooms

3

Full Bath

2

Property Type

Single Family

Taxes

$ 12,829

Style

Ranch

Lot Size

0.25

Year Built

1965

Town/City

Ronkonkoma

County/Region

Suffolk

MLS | Web ID

1061438

Features
Interior
Interior Amenities First Floor Bedroom First Floor Full Bath Ceiling Fan(s) Recessed Lighting Washer/Dryer Hookup
Basement Finished Full
Flooring Carpet Hardwood
Basement Features Finished Full
Basement (Y/N) Y
Fireplace Y/N N
Half Baths 0
Total Bedrooms 3
Total Baths 2
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General
Sewer Cesspool
Heating Baseboard Forced Air Oil
Cooling Wall/Window Unit(s)
Utilities Cable Available Cable Connected Electricity Available Electricity Connected Water Available Water Connected
Appliances Dishwasher Electric Oven Microwave Refrigerator
Garage Spaces 1
Architectural Style Ranch
Construction Materials Frame
Year Built 1965
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 0200-598-00-02-00-018-000
County Suffolk County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 9
Full Baths 2
High School Centereach High School
City Brookhaven
Senior Community Y/N N
High School District Middle Country
Carport Y/N N
Elementary School Holbrook Road School
Property Attached Y/N N
Tax Annual Amount 12829.42
Middle/Junior High School Dawnwood Middle School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Middle Country
Elementary School District Middle Country
Tax Assessed Value 2700
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Exterior
Fencing Fenced Full Perimeter Vinyl
Parking Features Driveway Garage Driveway Garage
Water Source Public
Total Parking 7
Inclusions Washer Dryer
Parking Spaces 7
Spa N
Building Area Total 1222
Waterfront Y/N N
Horse Y/N N
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Internal Only
Street Number 1 12
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* Excluded Features
List By
Andrew Fraczak

Listing Agent

Oversouth Llc

Broker

631-902-0020

Contact

Affordability Calculator

$4,868
Per Month
78%
22%
0%
Monthly Principal & Interest
$3,799
Monthly Property Taxes
$1,069
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4101066 Elementary School
4098699 Middle School
Centereach High School High School
Pricing History
DatePricePrice ChangeDescription
10/12/2026$550,000 Listed Price

Map


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12 Mountain Street, Ronkonkoma, NY, 11779 is a Single Family Home for sale at $550,000 with 1,222 sqft and a lot size of 0.25. 12 Mountain Street has 3 bedrooms, 2.0 baths, and was built in 1965. The property's zip code is 11779 which is in Ronkonkoma, NY