South Dakota renewal guide
Water Conditioning Contractor License
If this license is up for renewal, this page gives you the fee, the timeline, and the items that usually hold the filing up.
See this alongside the other 20 South Dakota license pages we track.
Start here
What matters before you file.
Check the fee, the renewal window, and the documents or insurance records that can slow approval down.
Issuing authority
Renewal period
Every 12 months
Renewal fee
$200.00
Bond requirement
No
Insurance requirement
No
Last verified
Sep 2026
Before you renew
Get the filing straight.
- 1
File with the board
File through South Dakota Plumbing Commission and pay the $200.00 renewal fee 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 Contractor License
The South Dakota Plumbing Commission issues the Water Conditioning Contractor specialty license to businesses that contract for the installation, repair, and maintenance of water conditioning and water treatment systems.
What This License Authorizes
A Water Conditioning Contractor may enter into contracts and perform installation, repair, and maintenance of water softeners, water filtration systems, reverse osmosis systems, and other water treatment equipment that connects to the plumbing system.
Application Requirements
Applicants must pass the specialty examination and demonstrate relevant experience. An experience verification form signed by a licensed contractor is required.
Fees
- Application Fee: $50
- License Fee: Contact the South Dakota Plumbing Commission for current amounts
Renewal
Licenses are renewed annually.
- Annual Renewal Fee: $200 (ARSD 20:53:12:03)
Contact the commission at SDPlumbing@state.sd.us or 605.773.3429 with renewal questions.
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 Contractor License Application (Rev . 02/2026). https://dlr.sd.gov/plumbing/forms/Specialty-Contractor-Application.pdf Corrected 2026-09-16: annual renewal fee set from ARSD 20:53:12:03 (effective July 2, 2025) — water conditioning contractor license $200.
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.
Get reminded 90, 60, and 30 days before your Water Conditioning Contractor License expiresPrintable checklist
South Dakota checklist
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