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316 Union Avenue
Mamaroneck NY 10543 US

$1,099,000

Active Listing ID 1015834
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3 bed
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2.00 Bath (2 Full)
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Lot: 0.23 Acres
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Single Family Residence

$1,099,000

Active Listing ID 1015834
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316 Union Avenue Recently upgraded, this turnkey contemporary offers the perfect suburban existence without sacrificing a vibrant, walkable lifestyle. Tucked seamlessly into one of Mamaroneck's most historic and sought-after Westchester neighborhoods, you are just minutes away from the village's best coffee shops, dining, and transit. Inside, the home shifts into a bright, open-concept layout designed for effortless living and hosting. The main floor centers around a spectacular Great Room, where soaring cathedral ceilings and massive windows flood the space with afternoon sun. Here, the living and dining zones flow naturally into a chef's kitchen, all anchored by a striking custom stone fireplace. Right next to the hearth, two sets of sliding glass doors open directly to a spacious rear deck overlooking the extra-large lawn-creating the ultimate indoor-outdoor flow for weekend hangs, summer BBQs, or quiet gardening. Two generously sized main-floor bedrooms and a full bath offer total versatility, making it easy to set up a dedicated work-from-home office, creative studio, or guest retreat. The entire second level is a dedicated private sanctuary. This skylit primary suite serves as a serene escape, complete with an expansive walk-in closet and an oversized bathroom. For even more potential, the full basement features high ceilings and is already plumbed for an additional bath-a blank canvas ready to be transformed into your future media room, home gym, or lounge. Best of all, you can skip the old-house headaches thanks to upgraded, modern infrastructure, including a high-efficiency tankless hot water baseboard heating system and a 200 Amp electrical service. Bring your personal aesthetic and move right in-the hard work is already done. Schedule your tour today.

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Property Features

  • Facts
  • Lot Size: 0.23 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 2
  • Heating Fuels: Baseboard, Natural Gas, Hot Water(Heating)
  • Additional Features
  • Basement
  • Fireplace
  • Patio

School Information

  • School
  • F E Bellows Elementary School(Elementary)
  • Rye Neck Middle School(MiddleSchool)
  • Rye Neck Senior High School(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 1099000
  • unparsedaddress: 316 Union Avenue
  • postalcity: Mamaroneck
  • stateorprovince: NY
  • country: US
  • postalcode: 10543
  • bathroomsfull: 2
  • bathroomshalf: 0
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.2308
  • lotsizeunits: Acres
  • lotsizearea: 0.2308
  • livingarea: 1879
  • livingareaunits: Square Feet
  • latitude: 40.953276
  • longitude: -73.733102
  • listagentfullname: Melissa J. Terman
  • listagentemail: mterman@riverrealty.com
  • listagentkey: 3yd-MLSLINY-24471
  • listagentmlsid: 24471
  • listagentpreferredphone: 9179527643
  • listagentofficephone: 9179527643
  • listofficekey: 3yd-MLSLINY-RIVMNG
  • listofficemlsid: RIVMNG
  • 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: 2010
  • listingcontractdate: 2026-06-19
  • listagentfax: 8455640700
  • listagenturl: http://river-realty.com
  • countyorparish: Westchester County
  • parcelnumber: 4803-154-000-00042-001-0003-0000000
  • elementaryschool: F E Bellows Elementary School
  • highschool: Rye Neck Senior High School
  • elementaryschooldistrict: Rye Neck
  • middleorjuniorschooldistrict: Rye Neck
  • highschooldistrict: Rye Neck
  • appliances: Cooktop, Dishwasher, Dryer, Gas Cooktop, Refrigerator, Stainless Steel Appliance(s), Tankless Water Heater, Indirect Water Heater
  • constructionmaterials: Cedar, Frame, Shingle Siding
  • heating: Baseboard, Natural Gas, Hot Water(Heating)
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 2
  • parkingtotal: 4
  • parkingfeatures: Offsite, Driveway
  • waterfrontyn: False
  • franchiseaffiliation: None
  • interiorfeatures: First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Ceiling Fan(s), Chefs Kitchen, Double Vanity, High Ceilings, Kitchen Island, Open Kitchen, Primary Bathroom, Recessed Lighting, Walk-In Closet(s)
  • architecturalstyle: Cape Cod, Contemporary
  • rooms: Bathroom 2, Basement, Bedroom 1, Bedroom 3, Bathroom 1, Bedroom 2
  • patioandporchfeatures: Deck
  • speciallistingconditions: Real Estate Owned, In Foreclosure
  • basement: Full, Unfinished
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: False
  • internetconsumercommentyn: False
  • location: -73.7331, 40.953278
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"River Realty Services", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"mterman@riverrealty.com", "ListBrokerageCity":"New Windsor", "ListBrokerageCountry":"US", "ListBrokerageEmail":"mraphael@river-realty.com", "ListBrokerageLogoUrl":"http://brokerlogos.listhub.net/104/470259/20240314185434254.png", "ListBrokerageName":"River Realty Services", "ListBrokeragePhone":"(845) 486-1100", "ListBrokeragePostalCode":"12553", "ListBrokerageStateOrProvince":null, "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"117 Executive Drive - Suite #100", "ListBrokerageWebsiteUrl":"http://river-realty.com", "ListOfficeAddress1":"117 Executive Dr, Ste. 100 ", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"RIVMNG", "ListOfficeCity":"New Windsor", "ListOfficeCountry":"US", "ListOfficeEmail":"showings@riverrealty.com", "ListOfficePostalCode":"12553", "ListOfficeStateOrProvince":"NY", "ListPriceCurrencyType":"USD", "ListingTitle":"SINGLE_FAMILY - Cape Cod, Contemporary - Mamaroneck, NY", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/316-Union-Ave_Mamaroneck_NY_10543_M39222-57765?f=listhub&s=MLSLINY&m=1015834&c=rexren", "MLSModificationTimestamp":"2026-06-21 09:01:38", "Neighborhoods":[], "PostalCode":null, "RoomCount":6, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":23841, "TaxDescription":null, "TaxYear":"2025"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 6/22/2026 1:44:39 AM GMT
Source Updated Date: 6/26/2026 6:41:16 PM GMT

Courtesy of: Melissa J. Terman, River Realty Services, Inc., mterman@riverrealty.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.