Historic Preservation - Historic Preservation

(Please see https://adacounty.id.gov/historicpreservation for the latest version of this information)

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Historic Preservation

Welcome to the Ada County Historic Preservation Council

Our purpose is simple: Preserving Ada County’s Heritage. We invite you to explore our website to see the many programs and projects that we are undertaking toward this end.

Picture of Hidden Springs

Schick-Ostolasa Farmstead Listed in National Register of Historic Places

On August 23, 2006, the National Park Service added the Schick-Ostolasa Farmstead at Hidden Springs to the National Register of Historic Places. The farmstead is significant in that it is one of a small number of historic structures in Ada County that date before 1870. The Council sponsored the listing of this property. For additional information, visit our

Schick-Ostolasa Farmstead page or contact Jay Karamales of the Dry Creek Historical Society at 208-229-4406.

Some images on this site are provided courtesy of the Idaho State Historical Society, the Kuna Library, the Idaho Military History Museum, and the Historic American Building Survey. Their generosity and cooperation are sincerely appreciated.