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514 W 12th Street
Antioch CA 94509 US

$499,000

Active Listing ID 326079712
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3 bed
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1,755 square feet
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2.00 Bath (2 Full)
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Lot: 0.11 Acres
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Single Family Residence

$499,000

Active Listing ID 326079712
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514 W 12th Street Old World charm meets modern versatility at 514 W 12th St! Built in 1930, this unique 3-bedroom, 2-bath Antioch home offers approximately 1, 755 sq. ft. of character-filled living space with incredible flexibility. Gorgeous hardwood floors welcome you into the main-level living room, while the spacious kitchen features a gas range and plenty of room to gather in the formal dining room. The home's flexible layout has previously allowed the main and upper levels to function separately, with bedrooms, baths and laundry access on both levels while sharing the kitchenideal for multigenerational living, extended guests, a home office setup, or simply enjoying the property as one spacious residence. Modern improvements include dual-zone HVAC, updated dual-pane windows, updated electrical, a newer water heater and solar. Buyer to assume existing solar lease. Outside, enjoy a charming landscaped courtyard with covered patio, generous driveway parking for multiple vehicles, RV or boat parking, plus an additional garden-like outdoor area offering exciting possibilities. Imagine a garden retreat, pool or potentially additional improvementsbuyer to investigate feasibility and permitted uses. Adding even more versatility is the permitted detached garage conversion featuring a self-contained studio ADU with its own entrance, kitchen, bathroom, laundry and mini-split HVAC. And here's an added opportunity: **the seller is open to including the home's furnishings with the sale**, making this an incredible option for a buyer looking for a more turnkey, move-in-ready experience. Vintage character, modern amenities, flexible living spaces, an independent ADU, abundant outdoor potential and the opportunity to purchase it furnished514 W 12th St is anything but your typical Antioch home.

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Property Features

  • Facts
  • Lot Size: 0.11 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 2
  • Cooling System: Ceiling Fan(s), Central Air, Zoned
  • Floor Covering: Wood, Carpet
  • Roof Type: Composition
  • Heating Fuels: Central
  • Additional Features
  • Fireplace

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 499000
  • unparsedaddress: 514 W 12th Street
  • postalcity: Antioch
  • stateorprovince: CA
  • country: US
  • postalcode: 94509
  • bathroomsfull: 2
  • bathroomshalf: 0
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.1148
  • lotsizeunits: Acres
  • lotsizearea: 0.1148
  • livingarea: 1755
  • livingareaunits: Square Feet
  • latitude: 38.009708
  • longitude: -121.813244
  • listagentfullname: Rachel J Mau
  • listagentemail: rachel@mauandassociates.com
  • listagentkey: 3yd-BAREISCA-D402730
  • listagentmlsid: D402730
  • listagentpreferredphone: 7072081735
  • listagentofficephone: 7072081735
  • listofficekey: 3yd-BAREISCA-7C1285
  • listofficemlsid: 7C1285
  • disclaimer: Copyright © 2026 Bay Area Real Estate Information Services, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: BAREISCA
  • yearbuilt: 1930
  • countyorparish: Contra Costa
  • parcelnumber: 0671310100
  • appliances: Dishwasher, Disposal, Free-Standing Gas Range, Free-Standing Refrigerator, Range Hood, Ice Maker, Microwave
  • cooling: Ceiling Fan(s), Central Air, Zoned
  • flooring: Wood, Carpet
  • heating: Central
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 2
  • parkingtotal: 5
  • parkingfeatures: Boat, Covered, RV
  • roof: Composition
  • waterfrontyn: False
  • franchiseaffiliation: Keller Williams Realty
  • rooms: Bedroom 3, Bathroom 2, Bedroom 1, Bathroom 1, Bedroom 2
  • speciallistingconditions: Standard
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: False
  • internetconsumercommentyn: True
  • location: -121.81325, 38.00971
  • openhouse: { "AppointmentRequiredYN": false, "ListingKey": "3yd-BAREISCA-326079712", "OpenHouseEndTime": "2026-09-27 15:00:00", "OpenHouseId": "10504266", "OpenHouseRemarks": "Hosted by Tanya Zeno", "OpenHouseStartTime": "2026-09-27 13:00:00", "OpenHouseType": null, "VirtualOpenHouseURL": null }, { "AppointmentRequiredYN": false, "ListingKey": "3yd-BAREISCA-326079712", "OpenHouseEndTime": "2026-09-26 14:00:00", "OpenHouseId": "10504286", "OpenHouseRemarks": "Hosted by Chaundra Dixon", "OpenHouseStartTime": "2026-09-26 12:00:00", "OpenHouseType": null, "VirtualOpenHouseURL": null }
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Kw Vaca Valley", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"rachel@mauandassociates.com", "ListBrokerageCity":"Vacaville", "ListBrokerageCountry":"US", "ListBrokerageEmail":"klrw1038@kw.com", "ListBrokerageLogoUrl":null, "ListBrokerageName":"Kw Vaca Valley", "ListBrokeragePhone":"(707) 359-4958", "ListBrokeragePostalCode":"95688", "ListBrokerageStateOrProvince":"CA", "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"312 Cernon Street", "ListBrokerageWebsiteUrl":null, "ListOfficeAddress1":"312 Cernon St Ste D ", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"7C1285", "ListOfficeCity":"Vacaville", "ListOfficeCountry":"US", "ListOfficeEmail":"ksalling@kathysallingrealtor.com", "ListOfficePostalCode":"95688", "ListOfficeStateOrProvince":"CA", "ListPriceCurrencyType":"USD", "ListingTitle":"Residential, Antioch, CA", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/514-W-12th-St_Antioch_CA_94509_M26403-42823?f=listhub&s=BAREISCA&m=326079712&c=rexren", "MLSModificationTimestamp":"2026-09-23 01:12:39", "Neighborhoods":[{"Description":null, "Name":"Antioch"}], "PostalCode":null, "RoomCount":null, "StateOrProvince":null, "Taxes":[], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 9/23/2026 10:05:12 PM GMT
Source Updated Date: 9/25/2026 12:54:57 PM GMT

Courtesy of: Rachel J Mau, KW Vaca Valley, rachel@mauandassociates.com

Copyright © 2026 Bay Area Real Estate Information Services, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.