1. Washington-specific invoice requirements
- Sales tax line: 6.50% state rate. Services billed to WA customers must include sales tax. State 6.5%; many services taxable. Combined commonly 8.5-10.5%.
- Late-fee cap: Washington statute Wash. Rev. Code §19.52.020 caps interest on unpaid invoices at 1.5% per month. Spell out the rate in writing on every invoice and in your contract — courts won't enforce undisclosed fees.
- Right-to-cancel notice: Customers in Washington get 72-hour cancellation rights on certain home-services contracts. Disclose this in your terms.
2. Notary Public line items + standard terms
Every notary public invoice in Washington should itemize work clearly. Standard notary publics use Net 0 terms with no deposit required.
- Notarization (per signature) — billed by flat.
- Mobile travel fee — billed by flat.
- After-hours surcharge — billed by flat.
- Loan signing flat fee — billed by flat (~$175 default).
3. Notary Public licensing in Washington
State commission required. Per-act fees are capped by state statute. NSA background check required for loan signings.
4. Send and follow up
Send the invoice the same day work completes. Use software that records open events and offers a one-click online payment so you don't need to chase a check by mail. Washington customers expect digital payment options today — accepting card and ACH typically reduces days-to-paid by 30–50%.
Washington metro guides
Metro-specific guides include the combined sales-tax rate and local pricing benchmarks.
- Invoicing as a notary public in Seattle
- Invoicing as a notary public in Spokane
- Invoicing as a notary public in Kennewick
- Invoicing as a notary public in Olympia
- Invoicing as a notary public in Bremerton
- Invoicing as a notary public in Yakima
- Invoicing as a notary public in Bellingham
- Invoicing as a notary public in Mount Vernon
- Invoicing as a notary public in Wenatchee
- Invoicing as a notary public in Longview
- Invoicing as a notary public in Walla Walla