Avg Year Built in Hartford: 1900 / County Avg 1900
Black Hills Association of REALTORS® All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be
interested in purchasing. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Multiple Listing Service. Real estate listings held by brokerage firms other than Oak & Key Realty may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. Copyright ©2026 All rights reserved.
Last Updated: September 15, 2026 5:15 AM UTC
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The data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of the Mount Rushmore Area Association of Realtors. All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) nor Oak & Key Realty shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless.
© 2026 Mount Rushmore
Area Association of Realtors. All rights reserved.
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