1. Kingsport-specific tax handling
- State sales tax: 7%. Local jurisdictions in Kingsport may add their own rate — verify with your local tax assessor.
- Late fees: TN statute Tenn. Code §47-14-103 caps interest on unpaid invoices at 1.5% per month.
2. Standard plumber line items
- Service call fee — billed by flat (~$95 default).
- Labor — billed by hour (~$110 default).
- Materials — billed by itemized.
3. Payment terms that work in Kingsport
Net 14 is standard for plumbers. Most plumbers in competitive markets like Kingsport require a 30% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Kingsport customers expect a one-click payment link in their inbox.
4. Licensing & disclosures
State-licensed in most states. Master plumber license typically required for self-employment.
Metro
Kingsport
State
TN
Net terms
14 days
Deposit
30%