Average Hourly Rate for PetSmart Inc. Operating out of Phoenix, Ariz., retail company PetSmart Inc. employs talent in positions ranging from Cashier to Dog Bather. Median pay for PetSmart Inc. workers sits around $9.73 per hour, and overtime compensation can push that up to $19.96. Though your job title and how long you've been working do impact pay, geography is the primary influence on employee salary at PetSmart Inc.