How to Invoice as a Welder in Ann Arbor, MI

Invoicing guide for welders in Ann Arbor: 6% MI sales tax, 0.58%/mo late-fee cap, plus MI licensing and contractor rules.

Combined sales tax
6%
Late fee cap
0.58%/mo
Net terms
14 days
Deposit
25%
Create your first invoice freeSee pricing

1. Ann Arbor-specific tax handling

  • State sales tax: 6%. Local jurisdictions in Ann Arbor may add their own rate — verify with your local tax assessor.
  • Late fees: MI statute Mich. Comp. Laws §438.31 caps interest on unpaid invoices at 1.5% per month.

2. Standard welder line items

  • Labor — billed by hour (~$95 default).
  • Filler material — billed by itemized.
  • Mobile setup fee — billed by flat (~$150 default).
  • Certification surcharge — billed by pct.

3. Payment terms that work in Ann Arbor

Net 14 is standard for welders. Most welders in competitive markets like Ann Arbor require a 25% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Ann Arbor customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

AWS or state-specific certification required for structural and pressure work. Mobile welders need contractor license in many states for jobs over a threshold.

Metro
Ann Arbor
State
MI
Net terms
14 days
Deposit
25%

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