How to Invoice as a Freelance Developer in Trenton, NJ

Invoicing guide for freelance developers 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
25%

1. Trenton-specific tax handling

  • State sales tax: 6.625%. Local jurisdictions in Trenton may add their own rate β€” verify with your local tax assessor.
  • Late fees: NJ statute N.J. Stat. Β§31:1-1 caps interest on unpaid invoices at 1.5% per month.

2. Standard freelance developer line items

  • Development β€” billed by hour (~$125 default).
  • Project milestone β€” billed by flat.
  • Third-party services β€” billed by passthrough.

3. Payment terms that work in Trenton

Net 15 is standard for freelance developers. Most freelance developers in competitive markets like Trenton require a 25% deposit upfront before scheduling work. Accept card and ACH on the invoice itself β€” Trenton customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

No license required. W-9 / 1099 reporting standard.

Metro
Trenton
State
NJ
Net terms
15 days
Deposit
25%

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