# California Contractors State License Board

California law requires a CSLB license for most construction jobs worth $1,000 or more. The board's license check shows classification, bond, workers'-comp status and expiration. Always verify before hiring a contractor in California.

- Type: License required by law
- Contractors with a CSLB entry in the public data we track: 232,978
- Entries that appear expired or past their stated expiry date: 16,124
- Data collected up to: Jul 14, 2026
- Official register: https://www.cslb.ca.gov/onlineservices/checklicenseII/checklicense.aspx
- Page: https://us.mytrustedtraders.com/certifications/california-cslb

Counts reflect collected public entries, not official membership totals. Absence from this data does not mean a contractor is unregistered.

## Where holders are

- CA: 232,573
- AZ: 7
- LA: 3
- Baton Rouge: 1
- Brooklyn: 1
- Brunswick: 1
- Carlsbad: 1
- Centralia: 1
- Chico: 1

## Trades that hold it

- Builder: 96,879
- General contractor: 23,913
- Electrician: 19,938
- general engineering contractor: 14,769
- Painter / decorator: 12,323
- Plumber: 11,694
- Landscaper: 9,854
- HVAC contractor: 8,624

## CSLB holders with review evidence

A slice of holders that also have customer reviews on MyTrustedTraders. This is not the register itself.

- **Atticare Corp.**: roofer · San Leandro · 2,303 reviews. https://us.mytrustedtraders.com/traders/atticare-corp
- **Magnolia Heating and Cooling**: hvac mechanical · Riverside · 1,723 reviews. https://us.mytrustedtraders.com/traders/magnolia-heating-and-cooling
- **Genesis Home Improvements**: 1,630 reviews. https://us.mytrustedtraders.com/traders/guildquality-44a7da94d8dbf0ef
- **Remodel USA**: roofer · Torrance · 1,558 reviews. https://us.mytrustedtraders.com/traders/remodel-usa
- **Point Loma Electric and Plumbing**: electrician · San Diego · 1,511 reviews. https://us.mytrustedtraders.com/traders/point-loma-electric-and-plumbing
- **Busy Bees Locks & Keys Locksmith**: locksmith · San Diego · 1,424 reviews. https://us.mytrustedtraders.com/traders/busy-bees-locks-keys-locksmith
- **Ace Plumbing Heating & Air**: plumber · Sacramento · 1,336 reviews. https://us.mytrustedtraders.com/traders/ace-plumbing-heating-air
- **Hall's Window Center**: window company · Rancho Cordova · 1,271 reviews. https://us.mytrustedtraders.com/traders/halls-window-center
- **Big Time Pest Control**: pest control · Anderson · 1,197 reviews. https://us.mytrustedtraders.com/traders/big-time-pest-control-5
- **Discount Plumbing**: plumber · San Francisco · 968 reviews. https://us.mytrustedtraders.com/traders/discount-plumbing
- **Mec Builds**: 840 reviews. https://us.mytrustedtraders.com/traders/guildquality-676cd858f5969f67
- **Heise's Plumbing**: plumber · San Francisco · 789 reviews. https://us.mytrustedtraders.com/traders/heises-plumbing

## Common questions

### What is California Contractors State License Board?

California law requires a CSLB license for most construction jobs worth $1,000 or more. The board's license check shows classification, bond, workers'-comp status and expiration. Always verify before hiring a contractor in California. (License required by law.)

### How many contractors hold California Contractors State License Board?

We track 232,978 contractors with a California Contractors State License Board entry, based on register and listing data collected up to Jul 14, 2026. This reflects the public entries we have collected, not necessarily the scheme's complete membership.

### Can a California Contractors State License Board entry be out of date?

Yes. 16,124 of the entries we track appear expired or past their stated expiry date, based on register and listing data collected up to Jul 14, 2026. Always confirm current status on the official register before hiring.

### How do I check whether a specific contractor holds California Contractors State License Board?

Check the official register at https://www.cslb.ca.gov/onlineservices/checklicenseII/checklicense.aspx, or look the contractor up on MyTrustedTraders. Profiles show the credentials we have found for them, alongside reviews and other public evidence.