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When a permit is required
Permit triggers and exempt work for Day County
A construction permit is required for any new structure or addition in unincorporated Day County. South Dakota state law (SDCL Chapter 11-10) requires compliance with the 2021 International Building Code (IBC) if any standards are adopted.
- Exempt Routine agricultural work and normal farming operations may not require a county construction permit (South Dakota county zoning statutes allow exemptions for agricultural activities; confirm with department)
- Exempt Minor repairs that do not change the use or footprint of a structure may be exempt; confirm with department
Note: Specific exempt categories are not publicly enumerated; the department advises contacting them directly to determine permit necessity for any project.
- Completed application form
- Site plan showing property lines and proposed structure location
- Property description
- Building code
- South Dakota state law requires compliance with 2021 International Building Code (IBC) if any standards are adopted. Day County does not mandate residential building code adoption at county level; jurisdiction-specific requirements apply.
- Permit validity
- Not publicly stated; contact department
- Owner-builder
- South Dakota allows owner-builders to perform work on their own property without contractor licensing. Property owners performing work on owner-occupied structures are exempt from contractor license requirements.
- Contractor requirements
- All contractors must register with South Dakota Contractors' Registry under SDCL Chapter 36-21C through Department of Labor and Regulation. All contractors must obtain South Dakota Contractor's Tax License with Department of Revenue. State-level licensing required only for electricians and plumbing contractors.
Application process
Typical processing: Not publicly stated; contact department for current estimate
- 01 Contact Day County Planning & Zoning office at (605) 345-9502 to determine permit requirements for your project.
- 02 Obtain and complete appropriate permit application form (Conditional Use Permit, Variance Application, or OHWM Shoreline Modification Permit).
- 03 Submit application in-person with required documentation.
- 04 Planning & Zoning board reviews application at scheduled meeting.
- 05 Applicant notified of approval or additional requirements.
- 06 If approved, proceed to required inspections and construction.
Typical processing time: Not publicly stated; contact department for current estimate
Fee schedule
Day County building permit fees
Contact Day County Planning & Zoning office at (605) 345-9502 for current fee schedules. Payment likely made in person at 711 W 1st Street, Suite 203, Webster.
Required inspections
Scheduling and sequence
- (605) 345-9502 (phone)
- Scheduling deadline
- Not publicly stated; contact department
- Inspection hours
- Monday-Friday, 8:00 AM - 5:00 PM (Administrator available by appointment Tuesday-Thursday 9:30 AM - 3:30 PM)
- Time windows
- Not publicly detailed; contact department
Typical sequence: Standard South Dakota practice requires foundation, framing, electrical rough-in, plumbing rough-in, mechanical rough-in, electrical final, plumbing final, mechanical final, and Certificate of Occupancy inspections. Contact department for specific sequence.
Frequently asked
Common questions about unincorporated Day County permits
01 Do I need a building permit in unincorporated Day County, SD? ▸
02 How much does a building permit cost in unincorporated Day County, SD? ▸
03 How do I apply for a building permit in unincorporated Day County, SD? ▸
04 How long does it take to get a building permit in unincorporated Day County, SD? ▸
05 What work is exempt from building permits in unincorporated Day County, SD? ▸
06 How do I schedule a building inspection in unincorporated Day County, SD? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Day County Planning & Zoning Office before applying. Jaspector is not legal advice.