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No building construction, reconstruction, alteration or repairs; no swimming pool construction, reconstruction, alteration or repairs; no electrical construction, reconstruction, alteration or repairs; no mechanical construction, reconstruction, alteration or repairs; and no gas construction, reconstruction, alteration or repairs, unless it is metered gas, shall be installed within or on any building, structure or premises without first securing a permit therefor from the building official or his assistants authorized to issue such permits. Applications for permits shall be made on forms provided for this purpose by the building official.

New construction plans are reviewed for conformance with the International Building, Plumbing, Mechanical, Fuel, Gas, and Fire Prevention Codes; the International Residential Code; the National Electrical Codes; and the State handicapped accessibility requirements. Conformance with Federal Floodplain Management requirements is also verified through the Plan Review process. The City is now a MS4 for Stormwater Management, so on commerical projects you will have to submit plans for retention of your stormwater runoff; once Berkeley County approves your water management plans they are submitted to OCRM at DHEC. Once we have approval from OCRM then you can receive your building permits. Prior to the plans being released for construction, approvals are also received from the Zoning Administrator.

Once all of the approvals are obtained for a project, a building permit is issued for construction. Contractors obtaining permits are required to have a State of South Carolina contractor’s license, and a City of Hanahan business license for any type of construction. All licenses are verified prior to a building permit being issued.

Separate permits are required for electrical, plumbing, mechanical, gas, fire suppression, and alarm systems. Contractor licenses are also verified prior to the permits being issued. As construction proceeds, inspectors verify conformance to the adopted codes of the work in progress. Commercial projects require numerous inspections depending on the magnitude of the project.

Building Codes


The following are mandatory codes adopted for use in South Carolina and their dates of implementation which must be enforced by jurisdictions:

  • 2015 International Building Code·, July 1, 2016
  • 2015 International Residential Code, July 1, 2016
  • 2015 International Fire Code, July 1, 2016
  • 2015 International Plumbing Code, July 1, 2016
  • 2015 International Mechanical Code, July I, 2016
  • 2015 International Fuel Gas Code, July 1, 2016
  • 2014 National Electric Code, July 1, 2016
  • 2009 International Energy Conservation Code, January 1, 2013 (see footnote 1)Footnote 1: The 2006 International Energy Conservation Code (IECC) was adopted by the SC Legislature as the minimum standard for compliance with the State Energy Standard, thus removing it from the normal adoption process. The legislature updated the IECC to the 2009 Edition during the 2012 legislative session (Act 143) with an effective date of January 1, 2013. Future updated versions must also be adopted by statutory amendment.

The following is the permissive code that has been adopted by the City of Hanahan: 2015 International Property Maintenance Code.

Online Codes

South Carolina Modifications to the codes can be viewed at the South Carolina Department of Labor, Licensing and Regulation’s website.

The International Building Code series can be viewed online at the following link:

The National Electric Code is available for viewing online at:

This is for anyone with a valid email address who completes their form to register with NFPA to view the code.

Contractors & Subs

To all Contractors and Subcontractors, in order to obtain a permit you must submit a copy of your written contract along with your SC state license. In addition a list of all sub contractors must be submitted. . . .By order of the Building Official


2009 International Energy Conservation Code (IECC)

The 2009 IECC replaces Chapter 11 in the 2006 International Residential Code. To comply with this law, additional documentation is required to be submitted with your plans and permit application. The required documents are:

1) A “Prescriptive Path” form or a RESCHECK or REMrate form

2) Manual “J” (to also include Manual “D” and “S”)

3) 2009 IECC Inspection Checklist


Permit Application

  Permit Application (260.18 KB)
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