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California Office of Historic Preservation (OHP)
The California Office of Historic Preservation (OHP) administers federally and state mandated historic preservation programs to further the identification, evaluation,
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California Historical Building Code (CHBC)
The CHBC provides an alternative building code for the preservation or rehabilitation of buildings designated as “historic.” These regulations are
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State Designations
The California Register is the authoritative guide to the State’s historical and archeological resources and includes all properties listed in
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Home
Buildings
50 Flagship Structures
Memories of Place
Programs & Events
Holiday Home Tour 2025
Events
Est. 20+ Napa Legacy Business
Self Guided Tours
Old House Club
My Napa Coloring Book
Student Scholarships
Resources
About Us
Insights
Our Work
Who We Are
Committees
Members & Support
Donate