Registered Agent Reviewed › Maryland
How to check a registered agent in Maryland
Mainstay Filing is our pick in Maryland at $149 a year. To check any agent here: ask the State Department of Assessments and Taxation (SDAT) how it records agents, confirm a Maryland street address, then apply the five criteria.
The Maryland rule
Every LLC must name a registered agent with an in-state street address. A Maryland resident, or a Maryland corporation, LLC or limited partnership. The address has to be a Maryland address on file with the State Department of Assessments and Taxation; P.O. boxes are not accepted. The LLC also keeps a principal office in Maryland. Changing agents costs $25. Source: Md. Code, Corps. & Ass'ns § 1-101(x), checked October 20, 2026.
Providers reviewed in Maryland
- Mainstay Filing $149 a year, same at renewal.
- LegalZoom $249, same afterwards
- Swyft Filings $596, same afterwards
- ZenBusiness $99, then $199
- Northwest Registered Agent $125, same afterwards
- Harbor Compliance $99, then $159
- Bizee $149, same afterwards
How do I check a registered agent in Maryland?
Our data has no commercial agent listing for Maryland; ask the State Department of Assessments and Taxation (SDAT) how it handles agents. The address on the filing has to be an in-state street address.
Do I need a registered agent in Maryland?
Every LLC must name a registered agent with an in-state street address. (Md. Code, Corps. & Ass'ns § 1-101(x)).