How to Invoice as a Massage Therapist in Seattle, WA

Invoicing guide for massage therapists 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
0 days
Deposit
0%
Create your first invoice freeSee pricing

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 massage therapist line items

  • 60-min session — billed by session (~$110 default).
  • 90-min session — billed by session (~$160 default).
  • Hot stone add-on — billed by flat (~$25 default).
  • Insurance billing — billed by flat.

3. Payment terms that work in Seattle

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

4. Licensing & disclosures

Licensed in 47 states (LMT). HIPAA compliance required for insurance billing. Receipts must include license number in most states.

Metro
Seattle
State
WA
Net terms
0 days
Deposit
0%

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