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§ 02
When a permit is required
Permit triggers and exempt work for Lancaster County
A building permit is required for all new construction, additions, alterations, and demolition. One-story detached accessory structures less than 120 sq ft do not require a permit.
One-story detached accessory structures (storage sheds, playhouses) less than 120 sq ft
- Exempt One-story detached accessory structures (storage sheds, playhouses) less than 120 sq ft
Note: Exempt from building permit but may still be subject to zoning requirements.
Required documents
- Completed Building Permit Application
- Construction plans (minimum 2 sets)
- Scaled floor plans with dimensions
- Elevation drawings (front, side, rear)
- Footing and foundation details
- Framing details
- Electrical layout showing lights, receptacles, smoke detectors, carbon monoxide detectors
- Square footage breakdown
- Project valuation
- Owner-Contractor Affidavit (if applicable)
- Building code
- 2021 International Building Code (IBC) with SC amendments; 2021 International Residential Code (IRC) with SC amendments; 2021 International Plumbing Code (IPC) with SC amendments; 2021 International Mechanical Code (IMC) with SC amendments; 2021 International Fire Code (IFC) with SC amendments; 2009 International Energy Conservation Code (IECC) with SC amendments; 2017 International A117.1; 2020 National Electrical Code (NEC) with SC amendments. Codes effective January 1, 2023.
- Owner-builder
- Owner-builders must file Owner-Contractor Affidavit per SC 40-59-260, agree not to sell or rent for 2 years, and have Homeowners Exemption Form recorded with Register of Deeds. Any hired subcontractors must be licensed in South Carolina.
- Contractor requirements
- Work valued over $5,000 requires a licensed South Carolina Contractor license from the Contractor's Licensing Board. All subcontractors (electrician, plumber, HVAC) must be licensed in South Carolina.
§ 03
Application process
Typical processing: 3-10 business days for plan review depending on project complexity
- 01 Complete Building Permit Application form
- 02 Prepare construction plans (minimum 2 sets) with scaled floor plans, elevation drawings, footing/foundation details, framing details, and electrical layout
- 03 Provide square footage breakdown (heated, unheated, basement)
- 04 Include project valuation (construction cost estimate)
- 05 Submit Owner-Contractor Affidavit if owner will act as general contractor
- 06 Submit application and plans through Evolve Permit System or in person
- 07 County staff reviews completeness and routes for plan review
- 08 Pay permit and plan review fees
- 09 Respond to any correction comments with revised documents if required
- 10 Obtain permit issuance before starting construction
Typical processing time: 3-10 business days for plan review depending on project complexity
Source: Lancaster County Building Services (Development Services) ↗
§ 04
Fee schedule
Lancaster County building permit fees
Fee type
Amount
01
Plan check fee
10% of permit fee
02
Permit fee formula
Construction valuation × 0.0075
§ 05
Required inspections
Scheduling and sequence
How to schedule
- (803) 285-1969 (phone)
Typical sequence: Standard inspections required at: footing/foundation, framing, electrical/plumbing/mechanical rough-in, and final inspection.
§ 06
Frequently asked
Common questions about unincorporated Lancaster County permits
01 Do I need a building permit in unincorporated Lancaster County, SC? ▸
A building permit is required for all new construction, additions, alterations, and demolition. One-story detached accessory structures less than 120 sq ft do not require a permit.
02 How much does a building permit cost in unincorporated Lancaster County, SC? ▸
Building permit fees in unincorporated Lancaster County, SC are set by the local building department and vary by project type and valuation. Fees are calculated as: Construction valuation × 0.0075. Plan check fee: 10% of permit fee.
03 How do I apply for a building permit in unincorporated Lancaster County, SC? ▸
To apply for a building permit in unincorporated Lancaster County, SC, follow these steps: 1. Complete Building Permit Application form 2. Prepare construction plans (minimum 2 sets) with scaled floor plans, elevation drawings, footing/foundation details, framing details, and electrical layout 3. Provide square footage breakdown (heated, unheated, basement) 4. Include project valuation (construction cost estimate) 5. Submit Owner-Contractor Affidavit if owner will act as general contractor 6. Submit application and plans through Evolve Permit System or in person 7. County staff reviews completeness and routes for plan review 8. Pay permit and plan review fees 9. Respond to any correction comments with revised documents if required 10. Obtain permit issuance before starting construction
04 How long does it take to get a building permit in unincorporated Lancaster County, SC? ▸
Building permit processing times in unincorporated Lancaster County, SC typically run 3-10 business days for plan review depending on project complexity. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Lancaster County, SC? ▸
Not all construction work requires a permit in unincorporated Lancaster County, SC. The following work is generally exempt: One-story detached accessory structures (storage sheds, playhouses) less than 120 sq ft. Note: Exempt from building permit but may still be subject to zoning requirements. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Lancaster County, SC? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Lancaster County, SC via: (803) 285-1969.
last verified April 2026
source Lancaster County Building Services (Development Services) ↗
entry id permits/south-carolina/lancaster/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Lancaster County Building Services (Development Services) before applying. Jaspector is not legal advice.