How to Invoice as a Drywall Installer in Charleston, SC

Invoicing guide for drywall installers in Charleston: 6% SC sales tax, 1.5%/mo late-fee cap, plus SC licensing and contractor rules.

Combined sales tax
6%
Late fee cap
1.5%/mo
Net terms
14 days
Deposit
25%
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1. Charleston-specific tax handling

  • State sales tax: 6%. Local jurisdictions in Charleston may add their own rate — verify with your local tax assessor.
  • Late fees: SC statute S.C. Code §34-31-20 caps interest on unpaid invoices at 1.5% per month.

2. Standard drywall installer line items

  • Hanging — per sqft — billed by sqft (~$1.5 default).
  • Finishing — per sqft — billed by sqft (~$1.25 default).
  • Materials — billed by itemized.

3. Payment terms that work in Charleston

Net 14 is standard for drywall installers. Most drywall installers in competitive markets like Charleston require a 25% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Charleston customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

General contractor license required in most states for jobs over a state-set threshold.

Metro
Charleston
State
SC
Net terms
14 days
Deposit
25%

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