It depends on the exact zoning laws particular to that county and the terms of the lease. Most properties zoned commercial do not allow residency and most commercial leases do not allows it either.   If you would like to discuss any issues further, please feel free to contact my office.  The link to my contact information is below.  Thank you.   The foregoing is general information only, not specific legal advice. No attorney/client relation has been created or should be implied.