Skip to content
LicenseCheckUSA
Article

How to read a CSLB license record

Every California license record has the same fields. Here's what each one tells you before you hire.

By LicenseCheckUSA Editorial · Updated · Facts from official state sources

On this page
  1. Look one up now
  2. Field by field
  3. How common is each class?
  4. Before you sign
Key takeaways
  • Status should be active/clear and the expiry after your project ends.
  • Classification must match the job (e.g. C-39 for roofing).
  • The record shows the bond company and amount ($25,000 required) and workers' comp status.

Field by field

FieldWhat to check
License #Ask for it; search by number for an exact match
StatusActive / clear — not suspended, revoked or expired
ClassificationsMatches your job (B general building, C-10 electrical, C-36 plumbing, C-39 roofing…)
ExpiresAfter your project ends
Contractor bondBond company, amount ($25,000) and effective date
Workers' compPolicy, exempt (no employees) or other status

Check the license behind the policy

Insurers and clients look at your license status first. See what the state shows for you — free.

How common is each class?

CSLB licenses listing each classification
B · General building107,799C-10 · Electrical29,136C-36 · Plumbing18,294C-33 · Painting16,200A · General engineering15,231C-27 · Landscaping12,649C-20 · HVAC12,231C-39 · Roofing5,809

Source: CSLB License Master file, October 2026 (244,107 records; a license can list several classes).

Compare contractor insurance quotes

We're choosing a quote partner. Until then, use the checklist on this page when you call insurers.

Partner slot — compare quotes card (partner approval pending). No link yet.

Before you sign

California hiring checklist
  • License active and not expiring soon
  • Class matches the work
  • Bond on file
  • Workers' comp policy if they have employees
  • Name on contract matches the record

Open the California license lookup

Official sources

Free

Get an email before a license expires

Your own license, or a contractor you hired. Step 1 of 2 — just your email.

No spam. One email before expiry. Unsubscribe anytime. Alert emails are not sending yet — we store your request and only email you when they launch.

Your next step

Check a licenseRenewal alert

Before you go

Save this site or get one free email before a license expires — so you never hire on an expired license.

Press Ctrl/⌘+D to bookmark. No spam.