How to Invoice as a Plumber in Trenton, NJ

Invoicing guide for plumbers in Trenton: 6.625% NJ sales tax, 2.5%/mo late-fee cap, plus NJ licensing and contractor rules.

Combined sales tax
6.625%
Late fee cap
2.5%/mo
Net terms
14 days
Deposit
30%
Create your first invoice freeSee pricing

1. Trenton-specific tax handling

  • State sales tax: 6.625%. Local jurisdictions in Trenton may add their own rate — verify with your local tax assessor.
  • Late fees: NJ statute N.J. Stat. §31:1-1 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 Trenton

Net 14 is standard for plumbers. Most plumbers in competitive markets like Trenton require a 30% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Trenton 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
Trenton
State
NJ
Net terms
14 days
Deposit
30%

Nearby metros

Related