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142 Riverside Avenue
Mastic Beach NY 11951 US

$699,999

Active Listing ID 1009138
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4 bed
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3.00 Bath (3 Full)
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Lot: 0.55 Acres
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Single Family Residence

$699,999

Active Listing ID 1009138
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142 Riverside Avenue Discover classic Colonial elegance combined with comfortable, modern living in this spacious 4-bedroom, 3-bath 1-attached garage and 1- stand free garage home with a full basement set on more than a half-acre of beautifully landscaped grounds. Inside, enjoy bright, well-proportioned rooms filled with natural light and timeless architectural details. The layout flows easily from formal to casual spaces, making everyday living and hosting effortless. Three full baths add convenience and comfort. Outside is a true private retreat: a resort-style backyard with mature plantings, manicured lawns, and multiple areas for dining, relaxing, and play. Whether you envision summer pool parties, quiet morning coffee, or large outdoor gatherings, this yard delivers. The generous lot also offers room for additions, a garden, or recreational amenities. Don't miss this rare opportunity to own a home that blends traditional charm, adaptable living space, and an exceptional outdoor environment.

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Property Features

  • Facts
  • Lot Size: 0.55 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 3
  • Cooling System: Central Air
  • Floor Covering: Vinyl
  • Heating Fuels: Oil, Baseboard
  • Additional Features
  • Basement
  • Fireplace
  • Patio
  • Pool

School Information

  • School
  • Tangier Smith Elementary School(Elementary)
  • William Paca Middle School(MiddleSchool)
  • William Floyd High School(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 699999
  • unparsedaddress: 142 Riverside Avenue
  • postalcity: Mastic Beach
  • stateorprovince: NY
  • country: US
  • postalcode: 11951
  • bathroomsfull: 3
  • bathroomshalf: 0
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.55
  • lotsizeunits: Acres
  • lotsizearea: 0.55
  • livingarea: 2150
  • livingareaunits: Square Feet
  • latitude: 40.785366
  • longitude: -72.842666
  • listagentfullname: George Gabriel
  • listagentemail: ggabriel@cbamhomes.com
  • listagentkey: 3yd-MLSLINY-170749
  • listagentmlsid: 170749
  • listagentpreferredphone: 6318893396
  • listofficekey: 3yd-MLSLINY-BRMN27
  • listofficemlsid: BRMN27
  • 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: 1974
  • listingcontractdate: 2026-06-04
  • listagenturl: http://www.cbamhomes.com
  • countyorparish: Suffolk County
  • parcelnumber: 0200-939-00-09-00-017-001
  • elementaryschool: Tangier Smith Elementary School
  • highschool: William Floyd High School
  • elementaryschooldistrict: William Floyd
  • middleorjuniorschooldistrict: William Floyd
  • highschooldistrict: William Floyd
  • appliances: Dishwasher, Dryer, Microwave, Range, Refrigerator, Stainless Steel Appliance(s), Gas Water Heater
  • cooling: Central Air
  • constructionmaterials: Frame
  • flooring: Vinyl
  • heating: Oil, Baseboard
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 2
  • parkingtotal: 0
  • parkingfeatures: Open, Driveway, Off Street, Garage
  • waterfrontyn: False
  • franchiseaffiliation: Coldwell Banker Real Estate
  • interiorfeatures: Entrance Foyer, His and Hers Closets, Washer/Dryer Hookup
  • architecturalstyle: Colonial
  • rooms: Dining Room, Bedroom 1, Bedroom 4, Kitchen, Living Room, Bathroom 3, Bedroom 3, Bathroom 2, Basement, Bathroom 1, Bedroom 2
  • patioandporchfeatures: Deck
  • basement: Finished
  • dock: False
  • poolprivateyn: True
  • spayn: False
  • fencing: Fenced
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: False
  • internetconsumercommentyn: False
  • location: -72.84267, 40.785366
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Coldwell Banker American Homes", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"ggabriel@cbamhomes.com", "ListBrokerageCity":"East Meadow", "ListBrokerageCountry":"US", "ListBrokerageEmail":"leads0822@leadparser.deltagroup.com", "ListBrokerageLogoUrl":"http://brokerlogos.listhub.net/MLSLINY/c5ababc31c90dea1011c91901ba23ee5/20210818200407414.png", "ListBrokerageName":"Coldwell Banker American Homes", "ListBrokeragePhone":"(800) 270-6318", "ListBrokeragePostalCode":"11554", "ListBrokerageStateOrProvince":null, "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"1856 Hempstead Turnpike", "ListBrokerageWebsiteUrl":"http://www.cbamhomes.com", "ListOfficeAddress1":"2395 Ocean Ave Ste 1 ", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"BRMN27", "ListOfficeCity":"Ronkonkoma", "ListOfficeCountry":"US", "ListOfficeEmail":"ronkonkoma@cbamhomes.com", "ListOfficePostalCode":"11779", "ListOfficeStateOrProvince":"NY", "ListPriceCurrencyType":"USD", "ListingTitle":"SINGLE_FAMILY - Colonial - Mastic Beach, NY", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/142-Riverside-Ave_Mastic-Beach_NY_11951_M91058-32053?f=listhub&s=MLSLINY&m=1009138&c=rexren", "MLSModificationTimestamp":"2026-06-05 09:03:46", "Neighborhoods":[], "PostalCode":null, "RoomCount":9, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":11058, "TaxDescription":null, "TaxYear":"2026"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 6/5/2026 9:13:45 AM GMT
Source Updated Date: 6/8/2026 1:00:21 AM GMT

Courtesy of: George Gabriel, Coldwell Banker American Homes, ggabriel@cbamhomes.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.