For Sale
Single family home for sale at 12 Mountain St, Ronkonkoma, NY 11779 | MLS# 1061438 | Listing updated on 2026-11-01
Photo 1 of Single family home for sale at 12 Mountain St, Ronkonkoma, NY 11779 | MLS# 1061438 | Listing updated on 2026-11-01
Photo 2 of Single family home for sale at 12 Mountain St, Ronkonkoma, NY 11779 | MLS# 1061438 | Listing updated on 2026-11-01
Photo 3 of Single family home for sale at 12 Mountain St, Ronkonkoma, NY 11779 | MLS# 1061438 | Listing updated on 2026-11-01
Photo 4 of Single family home for sale at 12 Mountain St, Ronkonkoma, NY 11779 | MLS# 1061438 | Listing updated on 2026-11-01
30+
Beds Icon

Street View

$600,000

Monthly Est:$2,986

  • Beds Icon3 Beds
  • Beds Icon
    2 Baths
  • Beds Icon1,800sqft

12 Mountain St, Ronkonkoma, NY 11779

$2,986/moEst:

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  • Single Family Residence

  • Built in 1965

  • $-- HOA

  • 10,890 sqft lot

  • $333/sq.ft

Description

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 finished basement with a separate walk-out entrance, providing additional space and flexibility. 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.

  • Houzeo last checked: 1 hour ago
  • Listing updated: November 1, 2026 at 6:11 pm
  • Listing Provided by: Andrew Fraczak (631) 902-0020 | OverSouth LLC (631) 770-0030
  • Source: OneKey MLS-NY as distributed by MLS GRID | MLS#: 1061438 OneKey MLS-NY as distributed by MLS GRID

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Suffolk County

  • City

    Ronkonkoma

  • Neighborhood

    --

  • Year Built

    1965

  • HOA Fees

    -

  • Finished Area

    1,800 sqft

  • Lot Size

    10,890 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    OneKey MLS

  • MLS Number

    1061438

  • MLS Status

    Active

  • Days on Market

    23

  • Cumulative Days on Market

    18

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 3

    Bathrooms: 2

  • Bedroom 1

    Level: First

  • Bedroom 2

    Level: First

  • Primary Bedroom

    Level: First

  • Bathroom 1

    Level: First

  • Living Room

    Level: First

  • Dining Room

    Level: First

  • Kitchen

    Level: First

  • Basement

    Level: Basement

  • Bathroom 2

    Level: Basement

Interior

  • Cooling

    Ductless, Wall/window Unit(s)

  • Heating

    Baseboard, Oil

  • Flooring

    Carpet, Hardwood

  • Appliances

    Dishwasher, Electric Oven, Microwave, Refrigerator

  • Sewer

    Cesspool

  • Interior Features

    First Floor Bedroom, First Floor Full Bath, Ceiling Fan(s), Recessed Lighting, Washer/dryer Hookup

Construction

  • Year Built

    Year Built: 1965

  • Home type

    Single Family Residence

  • Architectural Style

    Ranch

  • Construction Materials

    Frame

Utilities & Energy

  • Utilities

    Cable Available, Cable Connected, Electricity Available, Electricity Connected, Water Available, Water Connected

  • Water Source

    Public

  • Laundry Features

    Electric Dryer Hookup, In Basement, Washer Hookup

  • Basement

    Finished, Full, Walk Out Access

  • Parking Features

    Driveway, Garage

Price History

DateEventPrice

10/22/2026

Source: mls_logoOneKey MLS-NY #KEY1061438

Listed for Sale

$600,000 +9.09%

$333/sqft

10/20/2026

Source: mls_logoOneKey MLS-NY #KEY1061438

Listing Removed

$550,000

$306/sqft

10/12/2026

Source: mls_logoOneKey MLS-NY #KEY1061438

Listed for Sale

$550,000

$306/sqft

Nearby Homes

Based on information from OneKey MLS® through Nov 05, 2026, 12:46PM as submitted to and distributed by MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. IDX information is provided exclusively for consumers’ personal non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. The use of the MLS GRID Data may be subject to an end-user license agreement prescribed by the Member Participant’s applicable MLS, if any, and as amended from time to time. © 2026 OneKey MLS. All rights reserved.

Advertising Broker: Derek Greene | The Greene Realty Group

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