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333 Ontario Street
Ronkonkoma NY 11779 US

$639,000

Active Listing ID 1033085
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3 bed
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1,150 square feet
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1.00 Bath (1 Full)
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Lot: 0.20 Acres
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Single Family Residence

$639,000

Active Listing ID 1033085
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333 Ontario Street Nestled in the desirable Lake Hills section of Ronkonkoma, this beautifully maintained ranch is the perfect place to call home. From the moment you arrive, you'll notice the pride of ownership that shines throughout every inch of this lovingly cared-for property. Step inside to discover a newly renovated kitchen and bathroom, offering the perfect blend of timeless style and modern finishes. The inviting layout features 3 bedrooms, 1 full bath, and a finished basement that provides valuable additional living space-ideal for a family room, home office, gym, playroom, or entertaining. Outside, escape to your own park-like backyard, a peaceful retreat with plenty of room to relax, garden, host summer barbecues, or simply enjoy the outdoors. Situated mid-block on a quiet street, this home offers the perfect balance of privacy and convenience. Located just minutes from shopping, restaurants, parks, and major expressways, train, commuting and everyday errands are effortless while still enjoying the comfort of an established neighborhood. This home has been lovingly maintained and thoughtfully updated, creating a place filled with warmth, care, and lasting memories. If you've been searching for a move-in-ready ranch with beautiful updates, a fantastic location, and a true sense of home, 333 Ontario Street is ready to welcome you.

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Property Features

  • Facts
  • Lot Size: 0.20 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 1
  • Cooling System: Central Air
  • Heating Fuels: Oil
  • Additional Features
  • Basement
  • Patio

School Information

  • School
  • Cherokee Street Elementary School(Elementary)
  • Ronkonkoma Middle School(MiddleSchool)
  • Connetquot High School(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 639000
  • unparsedaddress: 333 Ontario Street
  • postalcity: Ronkonkoma
  • stateorprovince: NY
  • country: US
  • postalcode: 11779
  • bathroomsfull: 1
  • bathroomshalf: 0
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.2
  • lotsizeunits: Acres
  • lotsizearea: 0.2
  • livingarea: 1150
  • livingareaunits: Square Feet
  • latitude: 40.817095
  • longitude: -73.135403
  • listagentfullname: Mia Kaiser SRES SRS
  • listagentemail: mkaiser@signaturepremier.com
  • listagentkey: 3yd-MLSLINY-218957
  • listagentmlsid: 218957
  • listagentpreferredphone: 6313856024
  • listagentofficephone: 6313856024
  • listofficekey: 3yd-MLSLINY-SPH05
  • listofficemlsid: SPH05
  • disclaimer: Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: MLSLINY
  • yearbuilt: 1969
  • listingcontractdate: 2026-07-30
  • listagentfax: 6313602810
  • listagenturl: http://www.signaturepremier.com
  • countyorparish: Suffolk County
  • parcelnumber: 0500-031-00-04-00-075-000
  • elementaryschool: Cherokee Street Elementary School
  • highschool: Connetquot High School
  • elementaryschooldistrict: Connetquot
  • middleorjuniorschooldistrict: Connetquot
  • highschooldistrict: Connetquot
  • appliances: Stainless Steel Appliance(s)
  • cooling: Central Air
  • constructionmaterials: Frame
  • heating: Oil
  • fireplaceyn: False
  • transactiontype: ForSale
  • storiestotal: 0
  • parkingtotal: 0
  • parkingfeatures: Garage, Driveway
  • waterfrontyn: False
  • franchiseaffiliation: None
  • interiorfeatures: Eat-in Kitchen, Granite Counters, Kitchen Island, Open Floorplan, Open Kitchen
  • architecturalstyle: Ranch
  • rooms: Bedroom 3, Bedroom 1, Basement, Bedroom 2, Bathroom 1
  • patioandporchfeatures: Porch, Patio
  • basement: Finished, Full
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: False
  • internetconsumercommentyn: False
  • location: -73.13541, 40.817097
  • openhouse: { "AppointmentRequiredYN": false, "ListingKey": "3yd-MLSLINY-1033085", "OpenHouseEndTime": "2026-08-09 14:00:00", "OpenHouseId": "7169533", "OpenHouseRemarks": null, "OpenHouseStartTime": "2026-08-09 12:00:00", "OpenHouseType": null, "VirtualOpenHouseURL": null }
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Signature Premier Properties", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"mkaiser@signaturepremier.com", "ListBrokerageCity":"Huntington", "ListBrokerageCountry":"US", "ListBrokerageEmail":"info@signaturepremier.com", "ListBrokerageLogoUrl":"http://brokerlogos.listhub.net/MLSLINY/c5ababc320d9ff0f0120de6bf56100c3/20140107215217613.png", "ListBrokerageName":"Signature Premier Properties", "ListBrokeragePhone":"(631) 673-3700", "ListBrokeragePostalCode":"11743", "ListBrokerageStateOrProvince":null, "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"157 East Main Street", "ListBrokerageWebsiteUrl":"http://www.signaturepremier.com", "ListOfficeAddress1":"7 W Main St ", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"SPH05", "ListOfficeCity":"Smithtown", "ListOfficeCountry":"US", "ListOfficeEmail":"cleface@signaturepremier.com", "ListOfficePostalCode":"11787", "ListOfficeStateOrProvince":"NY", "ListPriceCurrencyType":"USD", "ListingTitle":"SINGLE_FAMILY - Ranch - Ronkonkoma, NY", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/333-Ontario-St_Ronkonkoma_NY_11779_M39129-61395?f=listhub&s=MLSLINY&m=1033085&c=rexren", "MLSModificationTimestamp":"2026-08-09 18:10:41", "Neighborhoods":[{"Description":null, "Name":"Lake Hills"}], "PostalCode":null, "RoomCount":5, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":11236, "TaxDescription":null, "TaxYear":"2026"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 8/11/2026 3:00:58 AM GMT
Source Updated Date: 8/12/2026 12:47:41 PM GMT

Courtesy of: Mia Kaiser SRES SRS, Signature Premier Properties, mkaiser@signaturepremier.com

Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.