How to Invoice as a Bookkeeper in Trenton, NJ

Invoicing guide for bookkeepers 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
15 days
Deposit
0%
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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 bookkeeper line items

  • Monthly bookkeeping — billed by month (~$350 default).
  • Catch-up work — billed by hour (~$65 default).
  • Year-end / 1099 prep — billed by flat.

3. Payment terms that work in Trenton

Net 15 is standard for bookkeepers.0 Accept card and ACH on the invoice itself — Trenton customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

No license required. Some clients may request CPB (AIPB) or QB ProAdvisor credentials.

Metro
Trenton
State
NJ
Net terms
15 days
Deposit
0%

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