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Williamsburg County, South Carolina Roofing Permit Regulations and County Ordinances for Unincorporated Areas

Williamsburg County Building Permits

In Williamsburg County, South Carolina, a building permit is required for all residential and commercial construction in unincorporated areas. The county's Code Enforcement Office, located at 201 W Main Street, Suite 121, Kingstree, handles permit applications and reviews. The county enforces the latest South Carolina State adopted versions of the International Building Code, International Residential Code, and other related codes.

Permit Application Process

To obtain a building permit, you must first get an application from the Code Enforcement Office. The completed application, along with required documents such as building plans, a property plat or deed, and a site plan, must be submitted for review. The county will review the plans for compliance with building codes. Once approved, the permit will be issued, allowing the property owner or a licensed contractor to begin construction.

Required Documents for Permits

Detailed building plans prepared by a South Carolina licensed Design Professional (Architect or Engineer) are generally required. Other necessary documents include a property plat or deed, a site plan showing property lines and the structure's location, and a Flood Elevation Certificate if the property is in a FEMA A or AE flood zone.

Exemptions from Permit Requirements

Certain projects may not require a building permit. These can include detached residential structures that are one story, less than 800 sq ft, have a roof pitch of 7/12 or less, and are non-habitable. Attached residential structures under 300 sq ft, open porch additions, and deck additions may also be exempt. However, it is advisable to confirm any potential exemptions with the Code Enforcement Office.

Inspections

After a permit is issued and construction begins, inspections will be required at various stages. To schedule an inspection, you can contact the Code Enforcement Office at 843-355-9321, ext. 5303, with a minimum of 48-hour advance notice.

Resources to Learn More

Note: The following state-wide building codes and regulations apply universally to all jurisdictions within South Carolina, including Williamsburg County.

South Carolina Roofing Legislation, Codes, and Guidelines

State Statutes and Adopted Building Codes

In South Carolina, building construction and safety standards are governed by statewide building codes adopted by the South Carolina Building Codes Council. These codes are based on the model codes published by the International Code Council (ICC), which the state adopts periodically with specific South Carolina amendments. As of the most recent major adoption cycle, the state utilizes the 2021 editions of the International Building Code (IBC) and the International Residential Code (IRC). Roofing requirements are specifically addressed within these codes—Chapter 15 of the IBC for commercial structures and Chapter 9 of the IRC for residential structures. These regulations establish minimum standards for roof assemblies, including materials, underlayment, flashing, fastening patterns, and wind resistance requirements.

Primary State Agency

The primary state body responsible for setting these standards is the South Carolina Building Codes Council, which operates under the South Carolina Department of Labor, Licensing and Regulation (LLR). The Council is a statutory body established under Title 6, Chapter 9 of the South Carolina Code of Laws. Its functions include adopting and modifying model building codes for statewide use, regulating the registration of building code enforcement officers, and overseeing the modular building program. While the Council sets the statewide minimum standards, local jurisdictions (counties and municipalities) are responsible for the enforcement, permitting, and inspection of roofing projects to ensure compliance with these codes.

Resources to Learn More

Select a City in Williamsburg County

If your project is located within incorporated city limits, you will likely need to follow municipal ordinances rather than county rules. Select your city below to view local regulations.

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