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 Property Database

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

  • Regional Survey Contexts

    Read or download the SHPO's regional survey contexts.

  • Resiliency

    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.