Seal of Caroll County, Maryland

Bureau of Permits and Inspections

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Pre-fab Shed (1 story, single unit)

Your pre-fab shed requires a permit and inspections. For multi-unit, 2 story or stick built sheds follow the detached garage guidelines page.

Note: Prefab sheds less than 150 square feet, on skids and movable do not require a permit. All setback requirements apply.

Note: The site of the new shed will need to be approved by the Carroll County Zoning Administration and the Carroll County Health Department to ensure that the proposed structure is the required distance away from property lines, septic systems, water infrastructure, etc. For help with site selection, please contact:

Carroll County Zoning Administration 410-386-2980
Carroll County Health Department 410-876-1884
Permits Required

prefab shed in lanscaped yard with fence Your pre-fab shed will require a building permit. If your shed will be wired with electricity, you will also need an electrical permit. If your shed will feature running water, such as a utility sink, you will also need a plumbing permit. Please gather the construction documentation specified below and submit a building permit application, and an owner / contractor affidavit. After the building permit is filed, have your licensed electrician submit an electrical permit application and/or have your licensed plumber submit an plumbing permit application.

Permit Process

Many factors affect the speed with which your application(s) are approved. For best results, it is critical that you carefully review your application and design documents prior to submission to ensure that all necessary documents are included and that the design is compliant with county code. Normally, permits can be issued within 10-15 business days if the application is complete, accurate, and code-compliant.

Construction Document Requirements

Submitted documents must contain sufficient information for the plan reviewer to be able to review the proposed construction.

  • ___ Three (3) plot plans of the entire parcel – drawn to scale – to include:
    • ___ Location of the proposed structure
    • ___ Measurements from the proposed structure to each property line
    • ___ Location of and distance from the existing/proposed well and/or septic area

At a minimum, your pre-fab shed will require the following:

Building Inspections
  • Final
Electrical and Plumbing Inspections (if applicable) are performed during the installation process.

Scheduling an Inspection


Please see Row G of the building permit fee schedule. if applicable Row D of the electrical permit fee schedule and/or Row D of the plumbing permit fee schedule.