How to Invoice as a IT Consultant in Bellingham, WA

Invoicing guide for it consultants in Bellingham: 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
0%
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1. Bellingham-specific tax handling

  • State sales tax: 6.5%. Local jurisdictions in Bellingham 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 it consultant line items

  • Block-of-hours retainer — billed by flat.
  • Onsite labor — billed by hour (~$175 default).
  • Remote labor — billed by hour (~$145 default).
  • After-hours surcharge — billed by pct.
  • Hardware — billed by itemized.

3. Payment terms that work in Bellingham

Net 30 is standard for it consultants.0 Accept card and ACH on the invoice itself — Bellingham customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

No general license. Vendor certifications (Microsoft, Cisco, AWS) drive credibility. SOC 2 expected for handling client data.

Metro
Bellingham
State
WA
Net terms
30 days
Deposit
0%

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