No.  All of our service personnel are screened, licensed, insured, and display the utmost in professionalism.
For security purposes, it is company policy for all maintenance and service personnel to lock every apartment door upon leaving the apartment, whether the door was found locked or unlocked.  As a safety precaution, when leaving your apartment, lock your apartment door and carry your keys with you.  For more information, see FAQs about locks and lockouts.