An occupancy permit was filed for a property located at 1644 N Pennsylvania St, Denver. This permit is typically required to ensure a building is safe for occupancy and meets all necessary regulations.

The applicant for this permit is not specified. The property's building type and classification are also not provided. No details about the building's age or owner are available.

Next steps may involve a review by the relevant city department to determine if the property meets occupancy standards. The status of this permit is currently unknown.