How to Invoice as a Mobile App Developer in San Luis Obispo, CA

Invoicing guide for mobile app developers 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
30 days
Deposit
33%
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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 mobile app developer line items

  • Sprint / milestone — billed by flat.
  • Hourly — billed by hour (~$165 default).
  • App Store submission — billed by flat.
  • Maintenance retainer — billed by flat.

3. Payment terms that work in San Luis Obispo

Net 30 is standard for mobile app developers. Most mobile app developers in competitive markets like San Luis Obispo require a 33% 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

No license required. App Store and Play Store policies must be honored.

Metro
San Luis Obispo
State
CA
Net terms
30 days
Deposit
33%

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