Skip Navigation

A building permit is required for all retaining walls over three feet. 

Required Documents

You must provide the following when submitting your permit application. 

  • Construction Plans
  • Site Plans—Required for all applications. 
    • If commercial, site plans must be a minimum of one inch equals 100 feet, engineer's scale.
    • If residential, view the residential site plan.
  • Retaining Wall LetterFor residential only. Must be signed by owner.
  • If retaining wall is four feet or higher:

About the Application Process

To learn more about the application process, read the steps and watch the videos below, or view the FAQ or full tutorial video playlist.

 Apply for a Permit

Once you have reviewed the process outlined above and have gathered your required documentation, apply for your permit online using the buttons below.


Explore Permits, Approvals and Inspections


Contact Us

Department of Permits, Approvals and Inspections

County Office Building
111 West Chesapeake Avenue
Towson, Maryland 21204


Monday through Friday
8:30 a.m. to 4:30 p.m.



C. Pete Gutwald