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When a permit is required
Permit triggers and exempt work for Mellette County
A building permit is required prior to commencement of excavation or construction of any building in unincorporated Mellette County.
Note: Exempt work categories are not publicly enumerated. Contact the Director of Equalization's office to determine permit necessity for any specific project.
- Completed permit application form
- Site plan or plot plan showing property boundaries and proposed structure location
- Architectural or engineering drawings (professional seals may be required for certain project types)
- Description of proposed use
- Proof of property ownership or authorization
- Building code
- Mellette County follows the 2021 International Building Code (IBC) and 2021 International Residential Code (IRC) as the default prevailing standards per South Dakota state law. No specific local code adoption ordinance is publicly documented.
- Contractor requirements
- State registration under SDCL Chapter 36-21C (administered by SD Department of Labor and Regulation) is required for residential contractors. Electrical and plumbing work requires a state-licensed contractor regardless of project size.
Application process
Typical processing: 5-10 business days for standard residential construction; may require longer for specialized projects. Contact county for current estimate.
- 01 Contact the Director of Equalization's office at 605-259-3194 or 605-259-3050 ext. 4 during business hours (Monday-Friday, 8:00 AM - 5:00 PM, closed 12:00 PM - 1:00 PM for lunch).
- 02 Describe the proposed project to confirm if a building permit is required.
- 03 Obtain and complete the permit application form.
- 04 Submit application with required documents: site plan, architectural drawings, property ownership proof, and project description.
- 05 County staff reviews application for compliance with state minimum standards (2021 IBC/IRC) and any local supplementary ordinances.
- 06 Pay applicable permit fee.
- 07 Receive issued permit and post on site before construction begins.
- 08 Request required inspections (footing, framing, final) as work progresses.
Typical processing time: 5-10 business days for standard residential construction; may require longer for specialized projects. Contact county for current estimate.
Required inspections
Scheduling and sequence
- 605-259-3194 or 605-259-3050 ext. 4 (phone)
- Scheduling deadline
- Contact county for current procedures.
- Inspection hours
- Monday-Friday, 8:00 AM - 5:00 PM (closed 12:00 PM - 1:00 PM for lunch)
- Time windows
- Contact county for inspection scheduling windows.
Typical sequence: Typical sequence: footing inspection (foundation verification before concrete pour), framing inspection (structural review before walls closed in), final inspection (verification of completed structure compliance with approved plans).
Frequently asked
Common questions about unincorporated Mellette County permits
01 Do I need a building permit in unincorporated Mellette County, SD? ▸
02 How do I apply for a building permit in unincorporated Mellette County, SD? ▸
03 How long does it take to get a building permit in unincorporated Mellette County, SD? ▸
04 How do I schedule a building inspection in unincorporated Mellette County, SD? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Director of Equalization (Assessor's Office) before applying. Jaspector is not legal advice.