County Building Permits
Charles Mix County, SD - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Charles Mix County, South Dakota. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
All unincorporated areas of Charles Mix County. Note: The Yankton Indian Reservation occupies approximately 60% of Charles Mix County (easternmost areas). Building permits on tribal trust land or allotted land require tribal approval through the Yankton Sioux Tribe government, not solely county authority.
- Department
- Charles Mix County Auditor's Office / Director of Equalization
- Address
- PO Box 70, Lake Andes, SD 57356
- Phone
- (605) 487-7131
- Website
- https://charlesmixcounty.gov/
Online Permit Portal
Platform: In-person / Phone / Online • Account required: No • Submission: In-person only
Application Process
- Contact Charles Mix County Auditor's Office or Director of Equalization by phone (605) 487-7131 or visit in person during business hours (8:00 AM - 4:30 PM, Monday-Friday CT).
- Prepare plans and specifications (detail drawings showing scope and dimensions).
- Submit building permit application with site plans to the County Auditor or Director of Equalization.
- County staff reviews the application for code compliance per Charles Mix County procedures.
- Pay applicable building permit fee.
- Receive issued permit; post on site before construction begins.
- County building inspector conducts required inspections at various construction stages.
- Final inspection required upon project completion and sign-off.
Typical processing time: Not publicly stated; contact department for current estimate
Source: Charles Mix County Auditor's Office / Director of Equalization
General Requirements
A construction permit is required for new construction, additions, alterations, repairs, relocation, demolition, decks, sheds, garages, fences, electrical work, plumbing work, fireplaces, and pools.
Required Documents
- Completed building permit application form
- Site plans and detail drawings showing scope and dimensions
- Property description
- Permit validity
- Not publicly stated; contact department
- Building code
- South Dakota has no mandatory statewide residential building code. If Charles Mix County adopts any standards for new construction, the county must comply with the 2021 International Building Code (IBC) at minimum. Residential energy code (IECC 2009) is voluntary under SB 94 (2011).
- Owner-builder
- Sole proprietors performing work on their own primary residence may qualify for exemptions under SDCL § 36-21C; does not extend to rental property or commercial projects.
- Contractor requirements
- General/residential contractors must be registered under SDCL § 36-21C (administered by SD Department of Labor and Regulation). Electrical work requires licensing by the South Dakota Electrical Commission (SDCL § 36-16). Plumbing work requires licensing by the South Dakota Plumbing Commission (SDCL § 36-23). General carpentry, painting, and landscaping do not require state licensure.
Fees
- Permit fee formula
- Not publicly listed; contact County Auditor's office for current fee schedule
- Payment note
- Contact Charles Mix County Auditor's office at (605) 487-7131. Fee schedule not publicly posted online; fees due before final permit approval.
Work That Does NOT Require a Permit
Contact the Charles Mix County Auditor's Office / Director of Equalization to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- (605) 487-7131 (phone)
- Scheduling deadline
- Not publicly stated; contact department
- Inspection hours
- Monday-Friday, 8:00 AM - 4:30 PM CT
- Time windows
- Not publicly detailed; contact department
Typical inspection sequence: County building inspector conducts inspections at various construction stages with final inspection upon project completion.
Additional Resources
- Building code: South Dakota has no mandatory statewide residential building code. If Charles Mix County adopts any standards for new construction, the county must comply with the 2021 International Building Code (IBC) at minimum. Residential energy code (IECC 2009) is voluntary under SB 94 (2011).
- Zoning information: View zoning info
- South Dakota Department of Labor and Regulation - Electrical Commission
- South Dakota Department of Labor and Regulation - Plumbing Commission
- Yankton Sioux Tribe (tribal jurisdiction for trust and allotted land)
- Bureau of Indian Affairs - Yankton Agency
- License lookup guide: South Dakota Contractor License Requirements
- Contract template: South Dakota Homeowner-Contractor Agreement
- South Dakota hub: South Dakota Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Charles Mix County Auditor's Office / Director of Equalization before applying.
Frequently Asked Questions
Charles Mix County Building Permit FAQ
- Do I need a building permit in unincorporated Charles Mix County, SD?
- A construction permit is required for new construction, additions, alterations, repairs, relocation, demolition, decks, sheds, garages, fences, electrical work, plumbing work, fireplaces, and pools.
- How much does a building permit cost in unincorporated Charles Mix County, SD?
- Fees are calculated as: Not publicly listed; contact County Auditor's office for current fee schedule.
- How do I apply for a building permit in unincorporated Charles Mix County, SD?
- 1. Contact Charles Mix County Auditor's Office or Director of Equalization by phone (605) 487-7131 or visit in person during business hours (8:00 AM - 4:30 PM, Monday-Friday CT). 2. Prepare plans and specifications (detail drawings showing scope and dimensions). 3. Submit building permit application with site plans to the County Auditor or Director of Equalization. 4. County staff reviews the application for code compliance per Charles Mix County procedures. 5. Pay applicable building permit fee. 6. Receive issued permit; post on site before construction begins. 7. County building inspector conducts required inspections at various construction stages. 8. Final inspection required upon project completion and sign-off.
- How long does it take to get a building permit in unincorporated Charles Mix County, SD?
- Typical processing time is Not publicly stated; contact department for current estimate.
- What work is exempt from building permits in unincorporated Charles Mix County, SD?
- The following work is generally exempt: General carpentry and painting (non-structural); Landscaping and site preparation; Utilities (utility lines, sidewalks, driveways excluded from structure definition); Some structural exemptions may apply under SDCL § 36-21C for homeowner owner-occupied work. Note: Specific exempt categories are not fully enumerated on the county website. Contact the County Auditor's office to determine permit necessity for any project.
- How do I schedule a building inspection in unincorporated Charles Mix County, SD?
- Inspections can be scheduled via: (605) 487-7131. Not publicly stated; contact department.
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