Registered Agent by ZIP › South Dakota
Registered agent in South Dakota (2026)
South Dakota ZIP codes begin with 562, 570-577. Required: every LLC needs an agent with an in-state street address Mainstay Filing, our best overall pick, serves South Dakota at $149 a year; the state fee to change agents is $10.
- South Dakota rules checked October 20, 2026
South Dakota agent requirements
- Requirement
- Required. A commercial registered agent listed with the state, a noncommercial agent (an individual or entity with a South Dakota address), or the title of an office in the company.
- Agent address
- The address has to be an actual street address or rural route box number in South Dakota, plus a South Dakota mailing address if it differs.
- ZIP code prefixes
- 562, 570-577 (562, 576 shared with a neighboring state)
- Change-of-agent fee
- $10
- Statute
- SDCL 59-11-6
- Filing office
- South Dakota Secretary of State
Mainstay Filing
$149 / year, same at renewal
- Registered agent address in South Dakota
- Mail and legal-document scanning and forwarding
- Compliance reminders
Checked October 20, 2026.
Providers with a published South Dakota price
| Provider | Year 1 | Renewal |
|---|---|---|
| Mainstay Filing | $149 | $149 |
| IncParadise | $89 | $89 |
| ZenBusiness | $99 | $199 |
| LegalZoom | $249 | $249 |
| Northwest Registered Agent | $125 | $125 |
| Bizee | $149 | $149 |
Questions
Who can be a registered agent in South Dakota?
A commercial registered agent listed with the state, a noncommercial agent (an individual or entity with a South Dakota address), or the title of an office in the company.
What address must a South Dakota registered agent have?
The address has to be an actual street address or rural route box number in South Dakota, plus a South Dakota mailing address if it differs.
What does it cost to change registered agents in South Dakota?
The state charges $10 to file the change (SDCL 59-11-6).
Which ZIP codes are in South Dakota?
South Dakota ZIP codes begin with 562, 570-577. The prefixes 562, 576 also serve addresses in a neighboring state. The ZIP code tells you the state; the agent rules above apply in all of them.
Sources
- South Dakota registered agent statute (SDCL 59-11-6): sdlegislature.gov/Statutes/59-11-6, checked October 20, 2026
- South Dakota Secretary of State: sdsos.gov/, checked October 20, 2026
- Provider registered agent pages (prices), checked October 20, 2026