MD Permit GuideAll counties › Calvert County
- Office
- Inspections and Permits
- Address
- 150 Main Street, Suite 201, Prince Frederick, MD 20678
- Phone
- 410-535-1600 ext. 2523
- Website
- Official permits page
- Last verified
- Oct 15, 2026
Full guide coming soon. We verified the office, address and phone from the Maryland Department of Labor county directory. A step-by-step guide covering licenses, permits, fees and codes is on the way. Subscribe below to hear when it goes live.
Licensing basics
Home improvement work on existing homes anywhere in Maryland needs a state MHIC license. Read our MHIC vs. county license explainer.
Codes
Local pros
Permit expediters, third-party inspectors and engineers serving this county can list here.
Official sources
- https://labor.maryland.gov/labor/build/buildcounties.shtml (checked Oct 15, 2026)
- https://www.calvertcountymd.gov/ (checked Oct 15, 2026)
- https://www.calvertcountymd.gov/506/Code-Requirements (checked Oct 15, 2026)
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