Registered Agent by ZIP › Maine
Registered agent in Maine (2026)
Maine ZIP codes begin with 035, 039-049. Required: every LLC needs an agent with an in-state street address Mainstay Filing, our best overall pick, serves Maine at $149 a year; the state fee to change agents is $35.
- Maine rules checked October 20, 2026
Maine agent requirements
- Requirement
- Required. A commercial registered agent listed with the Secretary of State, or a noncommercial agent: an individual or entity serving as agent in Maine, or the holder of a named position in the company.
- Agent address
- A noncommercial agent lists a physical street address in Maine, not a P.O. box. Commercial agents keep their address on file with the state.
- ZIP code prefixes
- 035, 039-049 (35 shared with a neighboring state)
- Change-of-agent fee
- $35
- Statute
- 5 M.R.S. § 105
- Filing office
- Maine Secretary of State
Mainstay Filing
$149 / year, same at renewal
- Registered agent address in Maine
- Mail and legal-document scanning and forwarding
- Compliance reminders
Checked October 20, 2026.
Providers with a published Maine price
| Provider | Year 1 | Renewal |
|---|---|---|
| Mainstay Filing | $149 | $149 |
| Northwest Registered Agent | $125 | $125 |
| Harbor Compliance | $99 | $159 |
| Registered Agents Inc | $200 | $200 |
| InCorp Services | $129 | $129 |
| FreeRegisteredAgent.com | $0 | $129 |
| LegalZoom | $249 | $249 |
| ZenBusiness | $99 | $199 |
| Bizee | $149 | $149 |
Questions
Who can be a registered agent in Maine?
A commercial registered agent listed with the Secretary of State, or a noncommercial agent: an individual or entity serving as agent in Maine, or the holder of a named position in the company.
What address must a Maine registered agent have?
A noncommercial agent lists a physical street address in Maine, not a P.O. box. Commercial agents keep their address on file with the state.
What does it cost to change registered agents in Maine?
The state charges $35 to file the change (5 M.R.S. § 105).
Which ZIP codes are in Maine?
Maine ZIP codes begin with 035, 039-049. The prefix 35 also serve addresses in a neighboring state. The ZIP code tells you the state; the agent rules above apply in all of them.
Sources
- Maine registered agent statute (5 M.R.S. § 105): legislature.maine.gov/statutes/5/title5sec102.html, checked October 20, 2026
- Maine Secretary of State: www.maine.gov/sos/cec/corp/, checked October 20, 2026
- Provider registered agent pages (prices), checked October 20, 2026