How to Invoice as a CPA / Accountant in Seattle, WA

Invoicing guide for cpa / accountants in Seattle: 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
30 days
Deposit
50%
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1. Seattle-specific tax handling

  • State sales tax: 6.5%. Local jurisdictions in Seattle 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 cpa / accountant line items

  • Tax return — individual — billed by flat.
  • Tax return — business — billed by flat.
  • Bookkeeping monthly — billed by flat.
  • Hourly advisory — billed by hour (~$235 default).

3. Payment terms that work in Seattle

Net 30 is standard for cpa / accountants. Most cpa / accountants in competitive markets like Seattle require a 50% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Seattle customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

CPA license required for attest services and the CPA designation. EAs licensed federally to represent before IRS.

Metro
Seattle
State
WA
Net terms
30 days
Deposit
50%

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