Technical Assistance & Research

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• Archeological Review

  Get the official guide for an environmental review when proposing to investigate a Connecticut archeological site.

• Building Requirements and Codes

  Learn how a historic property should comply with the Americans with Disabilities Act and lead-paint abatement requirements.

• GIS Site Files

  Discover GIS data layers for historic sites and archaeological resources.

• Historic Preservation & Energy Efficiency

• Historic Property Database

  Search a database of Connecticut properties with historic designations (southern counties only)

• Historical Contexts

  Read or download the SHPO's regional survey contexts.

• Olmsted in CT Landscape Documentation Project

  This site explores Frederick Law Olmsted's legacy and its impact on the CT landscape.

• Resiliency & Hazard Mitigation Planning

  Learn about SHPO assistance for historic properties threatened by rising sea levels.

• Survey Forms

  Use these forms can to help you identify potential archaeological resources in Connecticut.