1. Napa-specific tax handling
- State sales tax: 7.25%. Local jurisdictions in Napa 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 roofer line items
- Tear-off — billed by flat.
- Underlayment — billed by itemized.
- Shingles / membrane — billed by itemized.
- Labor — billed by hour (~$75 default).
- Disposal fee — billed by flat.
3. Payment terms that work in Napa
Net 14 is standard for roofers. Most roofers in competitive markets like Napa require a 33% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Napa customers expect a one-click payment link in their inbox.
4. Licensing & disclosures
Most states require a roofing-specific or general contractor license. Manufacturer warranty often requires certified installer.
Metro
Napa
State
CA
Net terms
14 days
Deposit
33%