Plumbing Contractor Permit Requirements in Charleston, SC

Complete permit and license guide for starting a plumbing contractor in Charleston, Charleston County, South Carolina.

$400 -- $1200 4–10 weeks to obtain all licenses 5 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Charleston / Charleston County Requirements

3 requirements
1

South Carolina Department of Labor, Licensing and Regulation — Plumbing Contractor License

Plumbing contractors in South Carolina must be licensed by SC LLR. Requires passing a Master Plumber exam and demonstrating experience in the trade.

$150–$250 (initial)4–8 weeks
Official government source
2

City of Charleston Revenue Collections Division — Business License

Charleston requires an annual Business License for any business operating within city limits, with fees based on gross revenues. This license must be renewed annually and displayed at your place of business.

$50–$500/year depending on business type and gross revenues1–3 weeks
Official government source
3

Charleston County / Charleston Plumbing Permit (per project)

A separate permit must be pulled with the local building/plumbing department for each job. Inspections are required upon job completion.

$50–$300 per project1–5 business days
Official government source

South Carolina State Requirements

1 requirement
1

South Carolina Department of Revenue — Retail License

Required for all businesses selling tangible personal property at retail in South Carolina. South Carolina charges a 6% state sales tax; local jurisdictions may add up to 3% more. A $50 one-time license fee applies.

$50 one-timeImmediate (online via MyDORWAY)
Official government source

Federal Requirements

1 requirement
1

EIN (Employer Identification Number)

Required if you have employees or operate as an LLC or corporation. Free from the IRS.

FreeImmediate (online application)
Official government source

Official Sources

Related Guides