Dog licenses assist in reuniting lost dogs with their owners. 1. Gather necessary information regarding your dog and your details.An ESA is an animal (typically a dog or cat though this can include other animals) that provides a therapeutic benefit to its owner through companionship. The Allegheny County Dog License form is a required document for all dog owners in Allegheny County, ensuring their pets are legally registered. The forms required to obtain a lifetime license are: a. Lifetime Dog License Application. Edit, sign, and share allegheny county dog license online. No need to install software, just go to DocHub, and sign up instantly and for free. Currently this dataset does not include City of Pittsburgh dogs. Dog owners must present proof of the pet's current rabies vaccination verification and also complete an application form before a license can be issued.