Governor JB Pritzker signed the bill Wednesday in response to the January fire that killed 29 dogs in a West Chicago facility.
WATCH: 29 dogs killed in kennel fire near West Chicago
29 dogs killed in kennel fire near West Chicago
Kennels are now required to be staffed at all times, or owners must install a fire alarm or sprinkler system in every building where animals are housed.
Illinois is the first state in the country to pass a kennel safety law.
The owner of a West Chicago kennel has been charged with animal cruelty.