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4 Santa Ynez Court
St Charles MO 63303 US

$419,900

Active Under Contract Listing ID 26028429
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4 bed
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3.00 Bath (3 Full)
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Lot: 0.21 Acres
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Single Family Residence

$419,900

Active Under Contract Listing ID 26028429
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4 Santa Ynez Court Charming Ranch with Luxury In-Law Suite in Prime Cul-de-Sac Location Discover the perfect blend of comfort and versatility in this meticulously maintained ranch home. From the moment you step into the sun-drenched foyer, you'll appreciate the seamless flow of neutral flooring and the expansive, open-concept design. The heart of the home is a vaulted great room anchored by a classic wood-burning brick fireplace, leading into a chef's kitchen equipped with a large center island, tile backsplash, stainless appliances, and a dedicated planning desk. - Step through elegant French doors into the spacious sunroom-your new favorite spot for morning coffee or afternoon relaxation. The primary retreat offers a tranquil escape with a walk-in closet and a luxury en suite featuring dual sinks, a soaking tub, and a separate shower. Two additional bedrooms and a convenient main-floor laundry complete the level. - The true "wow" factor is the fully finished walkout lower level. Designed with multi-generational living in mind, this space functions as a complete second home with a full kitchen, a large bedroom with a walk-in closet, a full bath, and its own laundry hookups. Outside, enjoy a private patio and mature landscaping on a peaceful cul-de-sac lot. Located just steps from Schaefer Park and minutes from top-rated schools, libraries, and shopping, this home offers unparalleled convenience and space.

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Property Features

  • Facts
  • Lot Size: 0.21 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 3
  • Cooling System: Attic Fan, Central Air, Electric, Ceiling Fan(s)
  • Exterior Finish: Corner Lot
  • Floor Covering: Carpet, Laminate, Tile - Ceramic
  • Heating Fuels: Natural Gas, Forced Air
  • Additional Features
  • Basement
  • Fireplace
  • Patio

School Information

  • School
  • Fairmount Elem.(Elementary)
  • Hollenbeck Middle(MiddleSchool)
  • Francis Howell North High(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 419900
  • unparsedaddress: 4 Santa Ynez Court
  • postalcity: St Charles
  • stateorprovince: MO
  • country: US
  • postalcode: 63303
  • bathroomsfull: 3
  • bathroomshalf: 0
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.21
  • lotsizeunits: Acres
  • lotsizearea: 0.21
  • livingarea: 3034
  • livingareaunits: Square Feet
  • latitude: 38.75604
  • longitude: -90.554344
  • listagentfullname: Julie Steinbruegge
  • listagentemail: info@service1sthomes.com
  • listagentkey: 3yd-MARISMO-JALSUP
  • listagentmlsid: JALSUP
  • listagentpreferredphone: (636) 936-8600
  • listofficekey: 3yd-MARISMO-SBSF01
  • listofficemlsid: SBSF01
  • disclaimer: Copyright © 2026 Mid America Regional Information Systems, 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: MARISMO
  • yearbuilt: 1990
  • listagenturl: http://www.service1sthomes.com
  • countyorparish: St. Charles
  • parcelnumber: 3-0010-6240-00-0065.0000000
  • elementaryschool: Fairmount Elem.
  • highschool: Francis Howell North High
  • elementaryschooldistrict: Francis Howell R-III
  • middleorjuniorschooldistrict: Francis Howell R-III
  • highschooldistrict: Francis Howell R-III
  • appliances: Dishwasher, Disposal, Microwave, Electric Oven, Electric Range
  • cooling: Attic Fan, Central Air, Electric, Ceiling Fan(s)
  • constructionmaterials: Brick Veneer, Vinyl Siding
  • flooring: Carpet, Laminate, Tile - Ceramic
  • heating: Natural Gas, Forced Air
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 1
  • parkingtotal: 0
  • waterfrontyn: False
  • franchiseaffiliation: None
  • architecturalstyle: Other
  • rooms: Family Room, Dining Room, Bathroom 2, Laundry Room, Bedroom 3, Bathroom 3, Bathroom 1, Bedroom 2, Bedroom 4, Bedroom 1, Laundry Room, Basement, Game Room
  • utilities: Cable Available
  • patioandporchfeatures: Patio
  • speciallistingconditions: Standard
  • basement: Full, Walk-Out Access, Partially Finished, Sump Pump
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: False
  • location: -90.554344, 38.75604
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Susan Brewer Service First Real Estate", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"info@service1sthomes.com", "ListBrokerageCity":"Cottleville", "ListBrokerageCountry":"US", "ListBrokerageEmail":"info@service1sthomes.com", "ListBrokerageLogoUrl":"http://brokerlogos.listhub.net/MARISMO/c5ababc31ef9dc7c011efa5c1cf60169/20090122085952616.jpeg", "ListBrokerageName":"Susan Brewer Service First Real Estate", "ListBrokeragePhone":"(636) 936-8600", "ListBrokeragePostalCode":"63304", "ListBrokerageStateOrProvince":"MO", "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"5237 Highway N", "ListBrokerageWebsiteUrl":"http://www.service1sthomes.com", "ListOfficeAddress1":"5237 Hwy N.", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"SBSF01", "ListOfficeCity":"St. Charles", "ListOfficeCountry":"US", "ListOfficeEmail":"wade@service1sthomes.com", "ListOfficePostalCode":"63304", "ListOfficeStateOrProvince":"MO", "ListPriceCurrencyType":"USD", "ListingTitle":"SINGLE_FAMILY - Other - St Charles, MO", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/4-Santa-Ynez-Ct_Saint-Charles_MO_63303_M88312-62268?f=listhub&s=MARISMO&m=26028429&c=rexren", "MLSModificationTimestamp":"2026-05-21 00:15:38", "Neighborhoods":[{"Description":null, "Name":"Wilshire Valley"}], "PostalCode":null, "RoomCount":13, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":4053, "TaxDescription":null, "TaxYear":"2025"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 6/30/2026 3:34:25 AM GMT
Source Updated Date: 7/2/2026 6:35:29 PM GMT

Courtesy of: Julie Steinbruegge, Susan Brewer Service First RE, info@service1sthomes.com

Copyright © 2026 Mid America Regional Information Systems, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.