South Dakota renewal guide
Water Conditioning Installer License
If this license is up for renewal, this page shows who handles it, when it renews, and what you should have ready before you submit.
Start here
What matters before you file.
Check the timing first, then make sure the records tied to the license are still current.
Issuing authority
Renewal period
Every 12 months
Bond requirement
No
Insurance requirement
No
Before you renew
Get the filing straight.
- 1
File with the board
File through South Dakota Plumbing Commission once the supporting proof is ready.
Renew online - 2
Leave room for processing
Typical processing time is 30 days, so do not wait until the last minute.
Detailed notes
The fine print is here.
South Dakota Water Conditioning Installer License
The South Dakota Plumbing Commission issues the Water Conditioning Installer license to individuals who perform installation, repair, and maintenance of water conditioning and water treatment systems under the authority of a licensed contractor.
What This License Authorizes
A Water Conditioning Installer may perform installation, repair, and maintenance of water softeners, water filtration systems, reverse osmosis systems, and other water treatment equipment under the direction of a licensed Water Conditioning Contractor. The installer is not authorized to independently contract for services.
Application Requirements
Applicants must pass the specialty installer examination and demonstrate relevant experience. An experience verification form is required.
Fees
- Application Fee: $50
- License Fee: Contact the South Dakota Plumbing Commission for current amounts
Renewal
Licenses are renewed annually. Contact the commission at SDPlumbing@state.sd.us or 605.773.3429 for current renewal fee amounts.
Consequences of Operating Without a License
Performing water conditioning work without a valid license is a Class 2 misdemeanor under SDCL 36-25. Penalties include fines and potential criminal prosecution.
*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with the South Dakota Plumbing Commission.*
Official links
Check the board or agency directly.
Required documents
- exam_results
- proof_of_experience
Source notes
South Dakota Plumbing Commission, Specialty Installer License Application (Rev . 02/2026). https://dlr.sd.gov/plumbing/forms/Specialty-Installer-Application.pdf
Rules move. Check South Dakota Plumbing Commission again before you pay, renew, or schedule work around this requirement.
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Next steps
Turn it into a handoff.
Once the rule is clear, these tools help you hand it off cleanly or turn it into a cost plan.
Printable checklist
South Dakota checklist
Use the checklist when you need the board link, required documents, and renewal notes in one handoff.
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Keep Water Conditioning Installer License dates, proof, and official links with the rest of your license work.