Online Mapping System

The Online Mapping System is a GIS web application designed to provide qualified professionals with instant access to State Historic Preservation Office data. The intention of this site is to promote the utility of GIS and spatial data as decision support tools for federal undertakings subject to Section 106 of the National Historic Preservation Act and for scholarly research on Ohio history, architecture and archaeology. Subscribers to the Online Mapping System have the right to view and obtain information about cultural resources in Ohio and the responsibility to protect spatial information on sensitive archaeological and historic resources.

Features:

• View, query and export Ohio SHPO GIS Data
• Create customized maps
• Export data to shapefile or excel
• Enhanced Survey123 form submission capabilities

Available data includes:

• National Register of Historic Places (all listings as points)
• National Register Historic Districts (all districts as polygons)
• Ohio Historic Inventory
• Ohio Archaeological Inventory
• Previously Surveyed Areas
• Ohio SHPO Determinations of Eligibility
• Cemeteries
• Remarkable Ohio Markers (points and link to related data)
• Federal Tax Credit Projects
• Historic Bridges
• Ohio's World Heritage Sites

View a Complete List of Available Data

Key Updates:

• BuckeyePAST Launch in 2027: With the anticipated launch of BuckeyePAST, the Ohio SHPO's next-generation Cultural Resource Information System, in February 2027, OMS registrations will now be limited to a six-month registration period leading up to the transition. BuckeyePAST will incorporate the information and functionality currently available through the OMS, providing users with an enhanced and modernized experience. Information about BuckeyePAST license subscriptions will be released later this year.
• Paid Subscription Access:
  OMS access is available through a paid subscription. Subscription options are available for consultants, agency staff, nonprofit organizations and academic users.
• Record Request Procedures:
  Cultural resource forms (e.g., Ohio Archaeological Inventory forms, Ohio Historic Inventory forms, National Register nominations, and Determination of Eligibility documentation) are no longer available through the OMS. Click here to submit a records request.

OMS Subscription Pricing:

• Consultant Access (6 months): $100/user (View-Access and Enhanced Survey123 form submission)
• Agency/Non-Profit/Academic Access (6 months):
  • $26/user (View Access)
  • $52/user (View-Access and Enhanced Survey123 form submission)

OMS Registration Process:

All users (new and returning) are required to apply for an individual user account. Each application will be reviewed, and upon approval, the user will receive a notification email of acceptance with a link to pay for their license. After payment, you will receive notification with your login credentials withing 1-3 business days.