666 Rosevale Avenue

Lake Ronkonkoma, NY
$ 649,999 Beds 3 Baths 3 Sq 1,300
Monthly Estimate* How much can I afford?

Welcome home to this beautifully maintained 3-bedroom, 3-bath home located in the Smithtown School District, offering a versatile layout, modern updates, and plenty of space inside and out. The updated kitchen features stainless steel appliances, quartz countertops, a tile backsplash, and abundant cabinet and counter space. Just off the kitchen, a screened-in porch provides the perfect spot for relaxing, dining, or entertaining. The main level also features a comfortable den, three spacious bedrooms, and two full bathrooms. Downstairs, the basement features an outside entrance, full bathroom, and generous additional living space, offering endless possibilities. Outside, enjoy a large, flat, fully fenced property along with an oversized detached 2.5-car garage, ideal for vehicles, storage, hobbies, or a workshop. Additional highlights include a brand-new cesspool and 200-amp electric service. With its updated interior, flexible living space, expansive property, and convenient location, this home has so much to offer. Come see all the possibilities and make it your own!

Single Family

  • Price
  • $ 649,999
  • City
  • Lake Ronkonkoma
  • Bedrooms
  • 3
  • Full Bathrooms
  • 3
  • County
  • SUFFOLK
  • Half Bathrooms
  • 0
  • Area
  • Lot Size
  • 0.18 Acres
  • Zip
  • 11779
  • Sqr Footage
  • 1,300
  • Year Built
  • 1963
  • Taxes
  • $ 11504
  • Style
  • Ranch
  • MLS#
  • 1041427
Listed By: Coldwell Banker American Homes
Data Source: Listings courtesy of OneKey® MLS as distributed by MLS GRID

Features

General

Sewer Cesspool
Heating Baseboard,Oil,Steam
Cooling Wall/Window Unit(s)
Utilities Cable Available,Cable Connected,Electricity Available,Electricity Connected,Phone Available,Trash Collection Public,Water Available,Water Connected
Appliances Dishwasher,Microwave,Range,Refrigerator
Garage Spaces 2
Architectural Style Ranch
Construction Materials Frame
Year Built 1963
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 0800-168-01-01-00-058-000
County Suffolk County
Property Type Residential
HOA No
Garage Y/N Yes
Total Rooms 5
Full Baths 3
High School Smithtown High School-East
City Islip
Senior Community Y/N No
High School District Smithtown
Carport Y/N No
Elementary School Tackan Elementary School
Property Attached Y/N No
Tax Annual Amount 11504.82
Middle/Junior High School Great Hollow Middle School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Smithtown
Elementary School District Smithtown
Tax Assessed Value 4085
PostalCity Lake Ronkonkoma
AttributionContact 631-863-9800
Listing Appliances Dishwasher, Microwave, Range, Refrigerator

Interior Features

Interior Amenities First Floor Bedroom,First Floor Full Bath,Eat-in Kitchen,Primary Bathroom,Master Downstairs,Recessed Lighting,Storage
Basement Finished,Full
Flooring Hardwood,Tile
Basement Features Finished, Full
Basement (Y/N) Yes
Fireplace Y/N No
Total Bedrooms 3
Eat-in Kitchen Yes
Total Baths 3
General Features First Floor Bedroom,First Floor Full Bath,Eat-in Kitchen,Primary Bathroom,Master Downstairs,Recessed Lighting,Storage

Exterior Features

Parking Features Detached,Driveway,Garage,Private
Water Source Public
Parking Features Detached, Driveway, Garage, Private
Waterfront Y/N No

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the BALDWIN, NY office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
Agent Photo

Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% 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.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Tackan Elementary School
Middle School Great Hollow Middle School
High School Smithtown High School-East

Price History

9/11/2026 Listed $649,999

Property vs Zip Code Average in 11779

Price
AVG $690K
$650K
Taxes
AVG $10,262
$11,504
Year Built
AVG 1968
1963
Visits
AVG 117
3
Data Provided by Inside Real Estate®

Areas That We Cover

666 Rosevale Avenue Lake Ronkonkoma, NY is a Single Family Home for sale at $649999 with 1300 sqft and a lot size of 0.18 Acres Acre(s). 666 Rosevale Avenue Lake Ronkonkoma has 3 bedrooms, 3 baths and was built in 1963. The property's zip code is 11779 which is in Lake Ronkonkoma, NY

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% 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.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.