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READYDOCSCOMPLIANCESTATESCALIFORNIA
STATE FILE · CACAPITAL · SACRAMENTOADMITTED · 1850REVIEWED · Jul 10, 2026
Public Compliance Directory · State Hub

California.

California uses statewide CSLB licensing for contractors, with classifications, exams, bond filing, workers' comp filings, and active-license renewal handled through CSLB.

County guides
28
Indexed cities
55
State code
CA
Last reviewed
Jul 10, 2026
FAST FACTS

California at a glance

Quick-reference card
Licensing authorityCalifornia Contractors State License Board
ReciprocityLimited - CSLB evaluates by classification
Workers' compensationRequired with employees; C-8/C-20/C-22/C-39/D-49 no exemption
Bond rule$25k contractor bond on active license
Renewal cycle2 years active / 4 years inactive
Continuing educationVaries by trade; verify classification
Browse counties→Source register↓
State of
CA
· ACTIVE FILE ·
ARTICLE I · STATE AUTHORITY
LICENSING & LOCAL CONTROL
California Contractors State License Board
Article I · State Baseline

Licensing sets the baseline. Local offices control the job.

City and county building departments still control permits, plan review, inspections, local energy-code routing, and job-site approvals.

California uses statewide CSLB licensing for contractors, with classifications, exams, bond filing, workers' comp filings, and active-license renewal handled through CSLB.

State license first; city or county permit desk second. Local building departments issue the actual permits for most jobs.

Insurance and risk

Workers' comp is required for employers with employees, and several CSLB classifications must carry it even without employees.

Official source · California Contractors State License Board ↗Reviewed · Jul 10, 2026
ARTICLE II · OPERATING FILE
WHAT TO CONFIRM
STATE · COUNTY · CITY
Article II · Operating File

Three checks before work starts.

Use the state authority as the baseline, then confirm the local process before filing.

LICENSE

State authority

California uses statewide CSLB licensing for contractors, with classifications, exams, bond filing, workers' comp filings, and active-license renewal handled through CSLB.

AgencyCalifornia Contractors State License Board
ReciprocityLimited - CSLB evaluates by classification
Renewal2 years active / 4 years inactive
PERMITS

Local filing path

City and county building departments still control permits, plan review, inspections, local energy-code routing, and job-site approvals.

Before workState license first; city or county permit desk second. Local building departments issue the actual permits for most jobs.
JurisdictionConfirm city or county
RISK

Insurance and bonds

Workers' comp is required for employers with employees, and several CSLB classifications must carry it even without employees.

Workers' compRequired with employees; C-8/C-20/C-22/C-39/D-49 no exemption
Bond$25k contractor bond on active license
EducationVaries by trade; verify classification
ARTICLE III · INDEXED COUNTIES
COUNTIES IN CALIFORNIA
28 GUIDES
Article III · Browse by County

28 compliance guides in California.

Choose a county to find indexed cities, permit offices, and trade-specific requirements.

Alameda CountyOn file
2 files
Butte CountyOn file
1 files
Contra Costa CountyOn file
1 files
Fresno CountyOn file
1 files
Kern CountyOn file
1 files
Los Angeles CountyOn file
12 files
Marin CountyOn file
1 files
Monterey CountyOn file
1 files
Napa CountyOn file
1 files
Orange CountyOn file
5 files
Placer CountyOn file
1 files
Riverside CountyOn file
5 files
Sacramento CountyOn file
2 files
San Bernardino CountyOn file
4 files
San Diego CountyOn file
1 files
San Francisco CountyOn file
1 files
San Joaquin CountyOn file
1 files
San Luis Obispo CountyOn file
1 files
San Mateo CountyOn file
1 files
Santa Barbara CountyOn file
1 files
Santa Clara CountyOn file
2 files
Santa Cruz CountyOn file
1 files
Solano CountyOn file
1 files
Sonoma CountyOn file
1 files
Stanislaus CountyOn file
1 files
Tulare CountyOn file
1 files
Ventura CountyOn file
3 files
Yolo CountyOn file
1 files
Showing 28 counties →
ARTICLE IV · SOURCES
OFFICIAL SOURCE REGISTER
3 PRIMARY AUTHORITIES
Article IV · Sources & Citations

Primary authorities, not secondary summaries.

These official sources were reviewed together on Jul 10, 2026. Confirm with the authority before filing.

Licensing

California Contractors State License Board

Licensing, renewal, board rules, and professional-scope requirements.

cslb.ca.govOpen official source ↗
REVIEWED
Jul 10, 2026
Workers' compensation

California Division of Workers' Compensation

Employer coverage, thresholds, exemptions, and claims administration.

dir.ca.govOpen official source ↗
REVIEWED
Jul 10, 2026
Article V · Neighboring States

Working across state lines?

Open the neighboring state file to confirm licensing, reciprocity, and local registration.

AR
Arizona
Open file
NE
Nevada
Open file
OR
Oregon
Open file

Open the file. Choose the county.

California compliance guides are public. Start with the county where the work will happen.

Browse counties→Back to top↑