How to Invoice as a Flooring Installer in Seattle, WA

Invoicing guide for flooring installers 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
14 days
Deposit
30%
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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 flooring installer line items

  • Removal of existing flooring — billed by itemized.
  • Installation labor — billed by hour (~$65 default).
  • Flooring material — billed by itemized.
  • Trim & transitions — billed by itemized.

3. Payment terms that work in Seattle

Net 14 is standard for flooring installers. Most flooring installers in competitive markets like Seattle require a 30% 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

Most states require general contractor license over a threshold. Manufacturer certifications (e.g., NWFA) often expected.

Metro
Seattle
State
WA
Net terms
14 days
Deposit
30%

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