County Building Permits
Colleton County, SC - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Colleton County, South Carolina. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
All properties in unincorporated Colleton County, including areas not within the City of Walterboro, Town of Edisto Beach, or other incorporated municipalities.
- Department
- Colleton County Planning and Development Department
- Address
- 31 Klein Street, Suite 300, Walterboro, SC 29488
- Phone
- 843-549-1709
Online Permit Portal
Platform: SC.GOV Payment Portal • Account required: No • Submission: In-person only
Additional resources:
Application Process
- Obtain Zoning Compliance Certificate to verify the proposed use is permitted in the zoning district.
- Prepare application materials: completed building permit application form, proof of ownership or authorization letter, detailed construction plans including site plan with footprint, and copies of electrical, plumbing, mechanical plans as required.
- For septic systems: Obtain SCDHEC Permit to Construct or paid sewer tap receipt before building permit can be issued.
- Submit all required documents by mail to Colleton County Planning and Development Department at 31 Klein Street, Suite 300, Walterboro, SC 29488.
- County staff reviews application for code compliance (typically 10-15 business days).
- Once approved, permit is issued and construction may begin.
- Schedule and pass required inspections at code-specified stages (footing/foundation, framing, rough-in, insulation/drywall, final).
- Obtain Certificate of Occupancy following final inspection approval.
Typical processing time: 10-15 business days for plan review and permit issuance, subject to completeness of application and clarity of plans.
General Requirements
A building permit is required for all construction within unincorporated Colleton County. Certain activities (e.g., coastal critical area modifications, floodplain development) may also require state/federal approvals.
Required Documents
- Completed building permit application form
- Proof of ownership or builder/owner authorization letter
- Detailed construction plans including site plan with building footprint
- Electrical, plumbing, mechanical, and fire protection plans as required by code
- Zoning Compliance Certificate
- SCDHEC Permit to Construct for septic systems or paid sewer tap receipt
- For coastal activities: OCRM Critical Area Permit if applicable
- NPDES Stormwater Construction Permit if land disturbance exceeds 1 acre
- Permit validity
- Permits are typically valid for 12 months. Extensions may be available if work is actively proceeding. Verify validity period with Planning and Development.
- Building code
- 2021 South Carolina Building Code (based on IBC 2021 with SC amendments) and 2021 South Carolina Residential Code (based on IRC 2021 with SC amendments)
- Contractor requirements
- Contractors performing work exceeding $10,000 must hold a valid South Carolina Contractor's License from SC LLR with appropriate bonding ($40,000-$500,000 depending on classification). General, electrical, and plumbing work must be performed by licensed contractors.
Fees
- Payment note
- Contact Planning and Development at 843-549-1709 for current fee schedule and payment information. Online payment available at SC.GOV portal.
Work That Does NOT Require a Permit
Contact the Colleton County Planning and Development Department to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- 843-549-1709 (phone)
- Inspection hours
- Monday-Friday, 9:00 AM-5:00 PM
Typical inspection sequence: Standard sequence: Footing/Foundation (before concrete pour), Framing (after roof and framing complete), Rough-In (electrical, plumbing, mechanical before drywall), Insulation and Drywall, Final Inspection (all work complete).
Additional Resources
- Building code: 2021 South Carolina Building Code (based on IBC 2021 with SC amendments) and 2021 South Carolina Residential Code (based on IRC 2021 with SC amendments)
- Verify contractor license: SC Contractor's Licensing Board
- SC Department of Environmental Services - NPDES Stormwater
- SC DHEC Septic System Permits
- SCDES Bureau of Coastal Management - Critical Area Permitting
- SC Building Codes Council
- License lookup guide: South Carolina Contractor License Requirements
- Contract template: South Carolina Homeowner-Contractor Agreement
- South Carolina hub: South Carolina Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Colleton County Planning and Development Department before applying.
Frequently Asked Questions
Colleton County Building Permit FAQ
- Do I need a building permit in unincorporated Colleton County, SC?
- A building permit is required for all construction within unincorporated Colleton County. Certain activities (e.g., coastal critical area modifications, floodplain development) may also require state/federal approvals.
- How do I apply for a building permit in unincorporated Colleton County, SC?
- 1. Obtain Zoning Compliance Certificate to verify the proposed use is permitted in the zoning district. 2. Prepare application materials: completed building permit application form, proof of ownership or authorization letter, detailed construction plans including site plan with footprint, and copies of electrical, plumbing, mechanical plans as required. 3. For septic systems: Obtain SCDHEC Permit to Construct or paid sewer tap receipt before building permit can be issued. 4. Submit all required documents by mail to Colleton County Planning and Development Department at 31 Klein Street, Suite 300, Walterboro, SC 29488. 5. County staff reviews application for code compliance (typically 10-15 business days). 6. Once approved, permit is issued and construction may begin. 7. Schedule and pass required inspections at code-specified stages (footing/foundation, framing, rough-in, insulation/drywall, final). 8. Obtain Certificate of Occupancy following final inspection approval.
- How long does it take to get a building permit in unincorporated Colleton County, SC?
- Typical processing time is 10-15 business days for plan review and permit issuance, subject to completeness of application and clarity of plans..
- How do I schedule a building inspection in unincorporated Colleton County, SC?
- Inspections can be scheduled via: 843-549-1709.
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