Corson County, SD - 2026 Building Permit Guide

Permit Authority

All unincorporated areas of Corson County, South Dakota. Excludes City of McIntosh (incorporated municipality) and tribal trust lands within Standing Rock Sioux Indian Reservation.

Department

Corson County Director's Office

Address

212 1st Ave East, PO Box 286, McIntosh, SD 57641-0008

Phone

(605) 273-4348

Website

https://corsoncountysd.gov/

Online Permit Portal

Application Process

1. Contact Corson County Director's office by phone (605-273-4348) or visit in person.
2. Describe the proposed project to determine permit requirements.
3. Obtain and complete the applicable permit application form.
4. Submit application with required documents and site plan.
5. Pay applicable permit fees.
6. County reviews application for compliance with adopted building codes and local zoning regulations.
7. Receive issued permit; post on site before construction begins.
8. Schedule and request required inspections (foundation, framing, mechanical, final).

Typical processing time: Not publicly stated; contact department for current estimate

Source: Corson County Director's Office

General Requirements

A construction permit is required for any new structure or addition in unincorporated Corson County. This includes residential, commercial, agricultural structures, and accessory buildings.

Required Documents

• Completed application form
• Site plan showing property lines and proposed structure location
• Property description
• Project drawings and specifications

Permit validity

Not publicly stated; contact department

Building code

South Dakota 2021 International Building Code (IBC). Corson County unincorporated areas follow state minimum standards unless local ordinances have been adopted.

Owner-builder

Sole proprietors performing work on their own primary residence may qualify for certain exemptions; exemptions do not extend to rental property or commercial projects. Verify with county office.

Contractor requirements

State registration under SDCL Chapter 36-21C is required for residential contractors. Electrical contractors must be licensed under South Dakota Electrical Commission (SDCL Chapter 36-16). Plumbing contractors must be licensed under South Dakota Plumbing Commission (SDCL Chapter 36-23).

Fees

Permit fee formula

Not publicly listed; contact Corson County Director's office for current fee schedule

Payment note

Fees due before permit approval. Payment made in person at 212 1st Ave East, McIntosh, SD 57641 or by phone appointment. Fee schedule not publicly posted online; contact (605) 273-4348 for current rates.

Work That Does NOT Require a Permit

Contact the Corson County Director's Office to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

• (605) 273-4348 (phone)

Scheduling deadline

Not publicly stated; contact department

Inspection hours

Monday-Friday; contact department for specific hours

Time windows

Not publicly detailed; contact department

Typical inspection sequence: Standard sequence: foundation, framing, mechanical, final. Applicant/contractor schedules inspections upon completion of each phase.

Additional Resources

• Building code: South Dakota 2021 International Building Code (IBC). Corson County unincorporated areas follow state minimum standards unless local ordinances have been adopted.
• County Ordinances
• South Dakota Contractor Authority
• South Dakota Electrical Commission
• South Dakota Plumbing Commission
• South Dakota Department of Labor and Regulation
• License lookup guide: South Dakota Contractor License Requirements
• Contract template: South Dakota Homeowner-Contractor Agreement
• South Dakota hub: South Dakota Contractor License & Permit Hub

Frequently Asked Questions

Corson County Building Permit FAQ

Do I need a building permit in unincorporated Corson County, SD?

A construction permit is required for any new structure or addition in unincorporated Corson County. This includes residential, commercial, agricultural structures, and accessory buildings.

How much does a building permit cost in unincorporated Corson County, SD?

Fees are calculated as: Not publicly listed; contact Corson County Director's office for current fee schedule.

How do I apply for a building permit in unincorporated Corson County, SD?

1. Contact Corson County Director's office by phone (605-273-4348) or visit in person. 2. Describe the proposed project to determine permit requirements. 3. Obtain and complete the applicable permit application form. 4. Submit application with required documents and site plan. 5. Pay applicable permit fees. 6. County reviews application for compliance with adopted building codes and local zoning regulations. 7. Receive issued permit; post on site before construction begins. 8. Schedule and request required inspections (foundation, framing, mechanical, final).

How long does it take to get a building permit in unincorporated Corson County, SD?

Typical processing time is Not publicly stated; contact department for current estimate.

What work is exempt from building permits in unincorporated Corson County, SD?

The following work is generally exempt: General carpentry work; Painting; Landscaping and grounds maintenance; Owner-occupied primary residence work (limited exemptions; rental and commercial properties not exempt); Routine agricultural work and normal farming operations may not require a permit under South Dakota county zoning statutes. Note: Specific exempt categories are not publicly enumerated on the county website; contact Corson County Director's office directly to determine permit necessity for any project.

How do I schedule a building inspection in unincorporated Corson County, SD?

Inspections can be scheduled via: (605) 273-4348. Not publicly stated; contact department.