Common Commercial Insurance Policy Exclusions
Coverage is decided as much by what is excluded as by what is granted. These are the exclusions that most often leave businesses exposed.
Last reviewed: May 26, 2026 by the BizLeaseCheck Editorial Team
General information, not insurance or legal advice.
Overview
Every commercial policy contains exclusions that remove coverage the insuring agreement appears to grant. The same risks are excluded across many policies, and they are often the risks a business most needs covered.
Knowing the standard exclusions lets you spot the gaps and decide whether to buy back coverage, add an endorsement, or buy a separate policy.
Topics to check
A commercial general liability policy commonly excludes professional services (covered by E&O), cyber and data events, pollution, and sometimes communicable disease. A business that gives advice, handles data, or had a virus-related loss can find a CGL claim excluded.
Read each exclusion against what your business actually does, and identify which excluded risks need a separate policy (E&O, cyber, EPLI).
Insurance (Cornell LII Wex)Property policies commonly exclude flood and earth movement (earthquake), wear and tear, mold, and sometimes ordinance-or-law costs to rebuild to current code. Flood in particular is almost always excluded and requires separate coverage.
For flood, the federal National Flood Insurance Program (NFIP) and private flood policies fill the gap; confirm whether your location requires it.
FEMA — Flood InsuranceFor each material exclusion, decide whether to buy a coverage buy-back endorsement, raise a related sublimit, or buy a standalone policy (cyber, flood, professional liability). Match the coverage to the risks your business actually faces.
Whether an exclusion applies to a specific loss is a coverage determination that depends on the policy and facts; confirm it with a licensed agent or broker.
Key takeaways
- Exclusions remove coverage the insuring agreement appears to grant.
- CGL commonly excludes professional services, cyber, pollution, and sometimes disease.
- Property commonly excludes flood, earth movement, wear and tear, and mold.
- Flood is almost always excluded and needs separate (often NFIP) coverage.
- Fill gaps with buy-backs, endorsements, or standalone policies.
Official resources
Coverage-review notes
Guide confidence marker: Confirm with a licensed agent or broker.
- Whether an exclusion applies to a specific loss is a coverage determination that depends on the policy and facts.
- Confirm exclusions and buy-back options with a licensed agent or broker.
- This guide is general information from the BizLeaseCheck Editorial Team. It is not insurance advice or a coverage opinion; confirm coverage with a licensed agent or broker.
Frequently asked questions
What does a business insurance policy usually NOT cover?
Common exclusions include professional services, cyber/data, pollution, and (on property) flood, earth movement, wear and tear, and mold. Many of these need a separate policy or endorsement.
Is flood covered by my commercial property policy?
Usually not — flood is almost always excluded and requires separate coverage, such as a National Flood Insurance Program (NFIP) policy or private flood insurance. Confirm with a licensed agent.
Is this insurance or legal advice?
No. This is general, educational information to help you read your own policy — it is not insurance advice, a coverage opinion, or legal advice. Coverage depends on the exact policy form, endorsements, declarations, and state law, so confirm what a policy covers (and whether the limits are adequate) with a licensed insurance agent or broker, and read the actual policy.