What a dog or cat really costs: year one, every year after, and the vet bill nobody budgets

The adoption fee is the smallest part of owning a pet. What adds up is the second year, and every year after that. Here's what a dog or cat costs in a typical US home in 2026, split the way you'd budget for it. The free pet cost calculator does the same for your own choices.

Year one vs every year after

For a medium dog adopted from a shelter, with regular food, home grooming, no insurance and family covering travel:

The choices that move it most

• Breeder vs shelter. A breeder puppy often costs $2,000 or more. A shelter adoption usually includes spay or neuter and first vaccines.
• Boarding or a dog walker. If you travel or work long days, this can be the single biggest line, often $900 a year or more.
• Size. A large dog eats roughly twice what a small one does, and preventives are priced by weight.
• Professional grooming. For some breeds it isn't optional, and it runs several hundred dollars a year.
• Insurance. Roughly $30 to $75 a month. It turns a surprise bill into a deductible.

The number nobody budgets: the emergency vet visit

One unplanned visit (a swallowed sock, a torn nail, a limp after the dog park) often costs $1,500 to $2,500 by the time tests are done. Keep that much in a separate fund, or keep your insurance deductible plus the first bill on hand until the claim pays out.

The lifetime number

Over a typical 12-year life, the medium dog above costs about $18,600. That's worth knowing before you choose, not after.

For keeping track once they're home, my printable Pet Care Log and Expense Tracker has a pet profile with emergency info, vet visits, vaccines and preventives, a medication log, a feeding routine and a monthly cost page.

Middle-of-the-road US prices for planning. Your area and your pet's breed change these a lot.