It's first come first serve. They offer free service if you neuter your dog/cat. You also have to see if your ZIP code is eligible. They open at 7am. But you can also make an appointment. Go online. For more information and instructions.
Is free
I think that if you go early in the morning when they're accepting pets for neutering/spaying and you told them you want free vaccines they can give them to your dog. But it will be better to call them, just to make sure
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