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Survey Control

The Survey Control application is an interactive map that allows you to access specific information about Baltimore County Control points.

  • You don't need to create an account to search for Survey Control in Baltimore County.
  • Users are encouraged to send survey control status updates and pictures to the email address provided in the user guide.
  • The Survey Control application is designed to also work on mobile devices.

User Guide

Review the Survey Control User Guide (PDF) for a tutorial on the application.

System Requirements

  • Pop-up blockers must be disabled for Survey Control to function properly. Refer to your browser's support on how to check and update this feature.
  • High-speed internet connections are recommended for best results.
  • For optimal performance, use the latest version of Chrome, Edge, Firefox, IE 11 and Safari.

User Terms and Conditions Summary

Baltimore County adopted the Maryland Coordinate System, North America Datum of 1983 and the North America Datum of 1988 as its standard horizontal and vertical datums starting July 1, 1999. Prior to this date the Baltimore County Metropolitan District grid system (horizontal) and Baltimore County Datum (vertical) were used for thousands of plats and surveys throughout Baltimore County.

Both systems of survey controls are being made available from this site to assist users with all surveys performed in Baltimore County. Users of this data must check the current County Code, policies and appropriate agencies to verify the correct datum(s) to be used on current and future projects requiring Baltimore County approvals.

More Information

For more information email surveycontrol@baltimorecountymd.gov or call 410-887-3540.

 
Revised October 31, 2018         

 

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