Originally published 2024-06-04. Reviewed and updated by Anything Pawsable on October 4, 2026.
Choosing a service-dog candidate starts with the work you need the dog to perform, the environments you use, and the care and training you can provide.
Define the work
Write down specific disability-related tasks, such as retrieving an item, responding to a sound, or taking a trained action during a psychiatric episode. Comfort from a dog’s presence alone does not meet the ADA task definition. Medical-alert claims need careful evaluation; a dog should not replace your medical monitoring or treatment plan.
Evaluate the individual
Assess health, physical comfort, recovery from everyday distractions, willingness to learn, and ability to settle. Ask a veterinarian about health concerns and work with a suitable trainer to evaluate the dog over time.
Simple puppy games can show what a puppy does today. They do not guarantee an adult service-dog career. Research with assistance-dog programs found that structured behavior measures can help predict outcomes, with imperfect accuracy. Avoid frightening a puppy with a deliberate noise test or expecting an untrained puppy to understand a command.
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.
Match your daily life
Consider the dog’s size, activity needs, grooming, housing, transport, and your ability to manage and care for it. Breed alone does not establish suitability. A large dog is not automatically a safe source of weight-bearing support.
Plan for training and a different outcome
Use reward-based training, suitable socialization, and gradual practice. Training duration varies. The ADA does not prescribe a universal hour total, and its public-access provisions do not cover a dog simply because it is still in training. State or local rules may differ.
Budget for veterinary care, training help, supplies, and the possibility that a candidate will not be comfortable or suitable for public service work. Voluntary registry membership does not establish readiness or create public-access rights.