How to Invoice as a Caterer in Kennewick, WA

Invoicing guide for caterers in Kennewick: 6.5% WA sales tax, 1%/mo late-fee cap, plus WA licensing and contractor rules.

Combined sales tax
6.5%
Late fee cap
1%/mo
Net terms
14 days
Deposit
50%
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1. Kennewick-specific tax handling

  • State sales tax: 6.5%. Local jurisdictions in Kennewick may add their own rate — verify with your local tax assessor.
  • Late fees: WA statute Wash. Rev. Code §19.52.020 caps interest on unpaid invoices at 1.5% per month.

2. Standard caterer line items

  • Per-guest food cost — billed by guest.
  • Service staff hours — billed by hour (~$35 default).
  • Equipment rental — billed by itemized.
  • Service charge — % of subtotal — billed by pct (~$18 default).

3. Payment terms that work in Kennewick

Net 14 is standard for caterers. Most caterers in competitive markets like Kennewick require a 50% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Kennewick customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

Health-department permit required in all states. Food handler / ServSafe certification expected. Liquor service requires separate license.

Metro
Kennewick
State
WA
Net terms
14 days
Deposit
50%

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