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22 Real Estate Listings for Sale in Seneca

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Search for Seneca luxury homes with the Sotheby’s International Realty network, your premier resource for Seneca homes. We have 22 luxury homes for sale in Seneca, and 54,648 homes in all of Illinois. Homes listings include vacation homes, apartments, penthouses, luxury retreats, lake homes, ski chalets, villas, and many more lifestyle options. Each sale listing includes detailed descriptions, photos, amenities and neighborhood information for Seneca.