Key Takeaways

  • California commercial property insurance must comply with filed and approved rates under Proposition 103
  • Commercial policies require specific disclosure of terrorism coverage options
  • California requires surplus lines brokers to follow specific placement procedures
  • Commercial properties in high-risk areas may need California FAIR Plan commercial coverage
  • Business interruption and extra expense coverage have specific California requirements
Last updated: January 2026

California Commercial Property Insurance

California regulates commercial property insurance with specific requirements for rates, disclosures, and coverage availability.

Rate Regulation

Under Proposition 103, commercial property insurance rates must be:

  • Filed with CDI before use
  • Approved or not disapproved within 60 days
  • Not excessive, inadequate, or unfairly discriminatory
  • Based on actuarially justified loss experience

Commercial Rate Exceptions

Some commercial lines have different regulatory treatment:

LineRate Regulation
Workers' CompensationFiled and approved
Commercial AutoFiled and approved
Large Commercial PropertyMay have more flexibility
Surplus LinesNot rate-regulated

Terrorism Insurance

TRIA (Terrorism Risk Insurance Act)

  • Federal program providing terrorism insurance backstop
  • California insurers must offer terrorism coverage
  • Policyholder can accept or reject terrorism coverage
  • Disclosure of coverage terms required

Required Disclosures

  • Coverage limits for terrorism
  • Premium for terrorism coverage
  • Right to accept or reject
  • Exclusions and limitations

Commercial FAIR Plan

The California FAIR Plan also serves commercial properties:

Commercial Coverage

  • Basic fire and extended coverage
  • Building and business personal property
  • Higher limits available than residential
  • Requires evidence of voluntary market declination

Surplus Lines Insurance

California allows surplus lines insurance for risks not available in the admitted market:

Surplus Lines Requirements

RequirementDetails
Diligent SearchMust contact 3+ admitted insurers
Export ListSome risks pre-approved for export
Surplus Lines BrokerMust use licensed SL broker
Surplus Lines Tax3% of premium + stamping fee
DisclosureMust disclose SL status to insured

Export List Risks

California maintains a list of risks that can be placed directly with surplus lines insurers without a diligent search, including:

  • Aviation liability
  • Excess and umbrella liability
  • Professional liability (some types)
  • Product recall
  • Employment practices liability

Business Interruption Insurance

California has specific requirements for business interruption coverage:

Key Provisions

  • Must clearly define covered perils
  • Waiting/deductible period disclosed
  • Period of restoration defined
  • Extended period of indemnity options
  • Civil authority coverage requirements

COVID-19 Impact

California courts have addressed business interruption claims related to pandemic closures:

  • Most policies require physical damage
  • Virus exclusions generally enforced
  • Civil authority coverage limited
  • Legislation proposed but not enacted

Extra Expense Coverage

  • Covers costs to continue operations during restoration
  • Separate limit from business interruption
  • California requires clear disclosure of coverage terms
Test Your Knowledge

How many admitted insurers must be contacted before placing a risk in the California surplus lines market?

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Test Your Knowledge

What is the California surplus lines tax rate?

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