Preserving our nation's historic buildings.

Technical Preservation Services develops historic preservation policy and guidance on preserving and rehabilitating historic buildings, administers the Federal Historic Preservation Tax Incentives Program for rehabilitating historic buildings, and sets the Secretary of the Interior's Standards for the Treatment of Historic Properties.

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  • Preservation by Topic is back by popular demand. Use this index to find information on historic preservation, cultural landscapes, and the rehabilitation of historic buildings.
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Have you ever wondered how the Secretary's Standards came to be? Now you can learn the story behind the Standards & Guidelines!