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Adopting a dog means taking in a dog who needs a new home, rather than buying one from a breeder. The dog might be in a city shelter, a small foster based rescue, a sanctuary, or a breed rescue run by volunteers who know one breed inside out. All four routes end the same way, with a dog on your sofa, but they work quite differently, charge different fees, and suit different adopters. This hub explains each route, then links to our step-by-step guides for the process, the first week, and the special cases of senior dogs and second dogs.
A shelter is a building with kennels, staffed every day, that takes in strays, surrendered pets and seized animals. Some are run by cities or counties, others by nonprofit humane societies. Because shelters take what comes through the door, their selection changes daily and can include puppies, purebreds, seniors and every mix in between. The ASPCA advises matching the dog to your lifestyle rather than choosing on looks, and shelter staff who see the dogs daily can help play matchmaker. Adoption from a shelter is often the fastest route: many adoptions are completed the same day or within a few days.
A rescue is usually a smaller, volunteer run group. Most have no building at all: their dogs live in foster homes, where a volunteer feeds, walks and observes them in an ordinary household. That foster period is the rescue route's great advantage. The rescue can usually tell you how the dog behaves around children, cats, stairs, vacuum cleaners and the doorbell, because somebody has watched it happen. The trade-off is a slower, more careful process, with a longer application, reference checks and often a home visit.
A sanctuary is a facility set up to care for animals for the rest of their lives. Most sanctuary residents, often seniors, medical cases or animals with behaviour problems, are not offered for general adoption. Some sanctuaries do run adoption programs for their more placeable animals, and a few specialise in senior dogs. If a sanctuary offers a dog for adoption, expect extra questions about your experience, because these dogs are usually placed only into homes the sanctuary is confident can keep them.
If your heart is set on one breed, a breed rescue is the adoption route built for you. These groups are typically connected to the breed's national parent club, and the American Kennel Club maintains the AKC Rescue Network, a directory of breed rescue contacts organised by breed. Volunteers pull dogs of their breed from shelters, take owner surrenders, foster them, and place them with adopters who understand the breed's exercise, grooming and health needs. Waits can be longer, because the right dog has to come along, but the breed knowledge behind the match is hard to beat.
Whichever route you choose, the ASPCA's core advice is the same: be honest about your space, your schedule and your budget before you fall for a face. A young, high-energy dog in a small flat with a twelve hour workday is a hard match, while the same dog is an easy joy for a trail runner with a garden. Decide what your days actually look like, then let staff or foster carers point you to the dogs who fit those days.
Still deciding whether a dog fits your life at all? Our puppy guides cover the first year in detail, and the cost of a dog calculator shows what any dog, adopted or bought, costs to keep.
A shelter is a facility that houses animals on site, often run by a city or a nonprofit, and usually takes in strays and surrenders from the public. A rescue is usually a smaller organization, often foster based, whose dogs live in volunteers' homes until they are adopted. Shelters tend to have more dogs available at once; rescues tend to know each dog's home behaviour in more detail.
A breed rescue is a group that focuses on one breed, or a small set of breeds, and the mixes of that breed. Most are linked to the breed's national club, and the AKC Rescue Network lists them by breed. Their volunteers usually know the breed's needs deeply, and their dogs are almost always fostered in homes.
It depends on the organization. Many shelters still welcome walk-in visitors, while foster based rescues almost always work by application and appointment, because the dogs are in private homes. Check the organization's website or call before you travel.
At many shelters, yes, if the dog is already spayed or neutered and your paperwork is in order. Rescues usually take longer, because they check references and often visit your home first. Same day is possible, but it should never be the deciding factor in choosing where to adopt.
Ask about the dog's known history, health record, behaviour with people and other dogs, energy level, and what the organization knows about house training. Also ask what happens if the adoption does not work out. Reputable organizations always take their dogs back.
Almost always. An adoption fee is usually far below a breeder's price, and the fee commonly already covers spay or neuter surgery, vaccinations and a microchip, which a buyer pays for separately. Our step-by-step guide breaks the costs down.
This page is general information drawn from the published guidance of the organizations listed under Sources below. It is not veterinary advice, and it does not replace your own veterinarian, who knows your dog. If your dog has eaten something toxic, contact your veterinarian, the ASPCA Animal Poison Control Center on (888) 426-4435, or the Pet Poison Helpline on (855) 764-7661 straight away. A consultation fee may apply on the helplines.
Last updated: November 2026. How we work: our methodology.