How to Invoice as a HVAC Technician in San Luis Obispo, CA

Invoicing guide for hvac technicians in San Luis Obispo: 7.25% CA sales tax, 1.5%/mo late-fee cap, plus CA licensing and contractor rules.

Combined sales tax
7.25%
Late fee cap
1.5%/mo
Net terms
7 days
Deposit
25%
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1. San Luis Obispo-specific tax handling

  • State sales tax: 7.25%. Local jurisdictions in San Luis Obispo may add their own rate — verify with your local tax assessor.
  • Late fees: CA statute Cal. Civ. Code §3287; §1671 (penalty rule) caps interest on unpaid invoices at 1.5% per month.

2. Standard hvac technician line items

  • Diagnostic fee — billed by flat (~$89 default).
  • Labor — billed by hour (~$115 default).
  • Refrigerant / parts — billed by itemized.
  • Service agreement credit — billed by discount.

3. Payment terms that work in San Luis Obispo

Net 7 is standard for hvac technicians. Most hvac technicians in competitive markets like San Luis Obispo require a 25% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — San Luis Obispo customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

EPA Section 608 certification required for refrigerant work. State HVAC licenses common.

Metro
San Luis Obispo
State
CA
Net terms
7 days
Deposit
25%

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