Originally published 2019-05-31. Reviewed and updated by Anything Pawsable on October 4, 2026.
Start with the assistance you need, the environments the dog will encounter and the care you can arrange. Selection reduces uncertainty but cannot eliminate it.
Compare realistic options
Consider program placement, a breeder or a rescue with relevant support. Ask about experience, welfare, contracts, costs, assessment and what happens if a candidate does not complete training. A pleasant marketing story or return customer is not proof of a successful match.
Assess health and development
Discuss appropriate screening with a veterinarian. Ask for verifiable parental health results where available, but remember that no pedigree, joint score or genetic panel guarantees the puppy's future health. Screening methods and ages differ; a single certification-age rule does not cover every method.
Observe the individual
Use gentle, repeated observations of learning, comfort, ordinary handling and different permitted settings. A puppy test is a limited snapshot, not a lifelong prediction. Behavior reflects development, environment, learning and health as well as inherited tendencies. Dominance labels do not provide a useful selection formula.
Match the practical work
Consider size, grooming, activity, sensory needs and transport. Do not infer that a large dog can safely support body weight. The proposed tasks should be physically appropriate and comfortable.
Give your own preparation the same care as the dog’s suitability. Service Dog Standards works alongside the Americans with Disabilities Act (ADA), providing training and behavior standards and education about the human handler’s responsibilities. Review that foundation before choosing a candidate. It gives you and your trainer a shared starting point for planning the time, care and practice a safe, successful partnership needs.
Build in support
Qualified training advice can help identify concerns and adapt the plan. Allow rest, gradual socialization and an alternative life for a dog unsuited to service work. Neither a gut feeling nor a promised perfect candidate removes the need for assessment.