An occupancy permit was filed for a property located at 1801 California St, Denver. This permit is typically required to ensure a building is safe and suitable for its intended use.

The applicant is not specified, and no details about the property's classification or building type were provided. The filing does not include information about the owner or the building's age.

Next steps would involve reviewing the permit and determining if it meets all safety and regulatory requirements. The status and expiration date are not available at this time.