Is an OSHA 300 log required by OSHA?

Last reviewed July 5, 2026

Yes, an OSHA 300 log is required if you have 10 or more employees and are not classified as a low-hazard industry. You must record work-related injuries and illnesses on this log.

Key points

  • Required for businesses with 10+ employees.
  • Not needed for low-hazard industries.
  • Must record all work-related incidents.

The OSHA 300 log helps track workplace injuries and illnesses, which is essential for maintaining safety standards. You need to keep this log updated and available for review by OSHA and employees. Make sure to check your industry's classification to see if the log applies to you.

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Alloovium can help you track compliance with OSHA requirements, including managing your OSHA 300 log.

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General information for US construction professionals — not legal advice. Lien deadlines, retainage caps and notice rules vary by state; verify with the state statute or a construction attorney.