Home » Departments and Divisions » Community Investment » Historic Preservation Commission » Historic Preservation Resources Historic Preservation Resources GENERAL PRESERVATION INFORMATION U.S. National Park Service & Historic Preservation State Historic Preservation Office Listing on the National Register of Historic Places by the National Parks Service is honorary and may qualify a property for financial incentives. National Trust for Historic Preservation TECHNICAL ADVICE Preservation Briefs published by the National Parks Service provide guidance on preserving, rehabilitating, and restoring historic buildings. How to: Winterize your historic home Preservation Tips and Tools ALL ABOUT WINDOWS Preservation and Maintenance Guide Preservation Brief for Wooden Windows Tip Sheet for Historic Wood Windows Preservation Brief for Stained Glass Windows FINANCIAL ASSISTANCE Tax incentives or grants may be available to property owners through the State Historic Preservation Office. Properties on the National Register of Historic Places may qualify for tax incentive opportunities. RESEARCH ASSISTANCE Historic Sanborn Fire Insurance Maps Historic Aerial Photos Historic Properties Map VIEW ALL NEWS