The following is a response from the landlord:
The home is professionally cleaned 1-2 days prior to a new tenant moving in each time. The two instances where the landlord "dropped in" and visited the property were at the direct request of the tenants; once to change flood lights in the vaulted ceiling in the kitchen, and the next to bring in a reading lamp for the guest bedroom, so the tenant could read in bed. The deposit was returned late due a death in the landlord's family and being out of state for two weeks - however the tenants were made aware and said they "understood". Upon arrival and final inspection of the home, the deposit was mailed immediately.