Building, Construction, and Development Non-Profits
- American Institute of Architects Cincinnati Chapter
- Design Lab
- The Port
- Hamilton County Landbank
- Homebase Cincinnati
- Homesteading and Urban Redevelopment Corporation
Historic Historic Buildings and Museum
- American Sign Museum
- Baker Hunt Art and Cultural Center
- Behringer-Crawford Museum
- Chisholm Historic Farmstead
- Christian Waldschmidt Homestead and Camp Dennison Museum
- Cincinnati Fire Museum
- Cincinnati Type and Print Museum
- Cincinnati Museum Center
- Cincinnati Observatory
- Dinsmore Farm
- Harmony Hill Dairy House and Museum
- Harriet Beecher Stowe House
- Heritage Village Museum
- Historic Loveland Castle & Museum
- Friends of Music Hall
- Loveland Museum Center
- Lloyd Library and Museum
- Memorial Hall Society
- Mercantile Library
- McCuffey House and Museum
- Over-the-Rhine Museum
- Whitewater Shaker Village
- William Howard Taft House
Historical Societies
- Anderson Township Historical Society
- Boone County Historical Society
- Butler County Historical Society
- Campbell County Historical Society
- Clermont County Historical Society
- Colerain Historical Society
- College Hill Historical Society
- Crosby Township Historical Society
- Delhi Historical Society
- Forest Park Historical Society
- Greater Cincinnati Police Museum
- Greater Milford Area Historical Society
- Greenhills Historical Society
- Hamilton County Genealogical Society
- Indian Hill Historical Society
- Kenton County Historical Society
- Little Miami History Connection
- Madeira Historical Society
- Mason Historical Society
- Miami Historical Society of Whitewater Township
- Morgan Township Historical Society
- Mount Healthy Historical Society
- North College Hill Historical Society
- Norwood Historical Society
- Price Hill Historical Society
- St. Bernard-Ludlow Grove Historical Society
- Walnut Hills Historical Society
- Warren County Historical Society
- Westwood Historical Society
- Wyoming Historical Society
Historic Districts
Libraries and Research
- Boone County- Borderlands Archive and History Center
- Butler County Local History and Genealogy
- Cincinnati and Hamilton County Library- Genealogy and Local History
- Cincinnati History Library and Archives
- Cincinnati Map Collection
- Cincinnati Views
- Greater Cincinnati Memory Project
- Historic American Buildings Survey
- Historic Cincinnati Subway and Street Images
- Kenton County Library History and Genealogy
- Modernnati
- Northern Kentucky Views
- Historic American Buildings Survey
- Sanborn Fire Insurance Maps of Cincinnati
- UC Architecture and Urban Planning Collection
- University of Cincinnati DAAP Archives
Local Preservation Organizations
- CF3 Cincinnati Form Follows Function
- Mariemont Preservation Foundation
- Glendale Heritage Preservation
- NKY Restoration Weekend
- O.T.R. Adopt
- Spring in Our Steps
- The Hillside Trust
- Citizens for Historic and Preservation Services of Butler County
Local Preservation and Planning
- Cincinnati Historic Districts (CAGIS)
- Cincinnati Department of Buildings and Inspections: Building Permits
- Cincinnati Department of Planning and Community Engagement: Zoning Permits
- Cincinnati Department of Community and Economic Development
- Cincinnati EzTrak Building Permit and Code Violations Online
- Hamilton County Land Bank