Detailed information on eligibility criteria for historic resource designation and instructions for preparing surveys and evaluations
California Register Criteria/Effects of Designation
Instructions for Recording Historical Resources(PDF)
Historic Structure Report Format(PDF)
Writing Historic Context Statements(PDF)
OHP Preferred Format for Historic Context Statements(PDF)
California Historical Resource Status Codes(PDF)
How to Apply the National Register Criteria for Evaluation (NRB 15) (PDF)
Guidelines for Local Surveys: A Basis for Preservation Planning Part 1 (NRB 24) (PDF)Guidelines for Local Surveys: A Basis for Preservation Planning Part 2 (NRB 24) (PDF)
Secretary of the Interior’s Standards for the Treatment of Historic Properties
Secretary of the Interior’s Professional Qualifications Standards
Secretary of the Interior’s Standards for Evaluation
Architectural Character – Identifying the Visual Aspects of Historic Buildings as an Aid to Preserving Their Character
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