Adoptable rescue cats and kittens in Brockville and Leeds & Grenville, in one place. Updated regularly from the Ontario SPCA Leeds & Grenville centre.
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Answer quick questions about your home, lifestyle & pets, get personalized dog recommendations
Cost calculator, age converter, and planning resources to prepare for adoption
Be first to know when new dogs matching your preferences become available
Unknown • Domestic Shorthair
Unknown • Domestic Shorthair
Unknown • Domestic Shorthair
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Brockville is a St. Lawrence River city of about 22,000 in eastern Ontario, sitting between Kingston and Cornwall and known as the City of the 1000 Islands. It is close to the US border, with the waterfront and the riverside parks defining how the city lives through the seasons. Cat adoption here runs through the local centre of a province-wide organization rather than a scatter of foster groups, which makes finding one simpler than navigating a big-city network.
LocalPetFinder is not a shelter. We do not house cats or process applications. We pull Brockville-area cat listings into one place and refresh them on a regular cycle, so what you see is close to what is genuinely available right now. When you find a cat, you apply through the shelter directly. The site is free, and we never add a fee on top of the shelter's adoption cost.
Cat adoption in Brockville runs mainly through the Leeds & Grenville Animal Centre of the Ontario SPCA & Humane Society, the province-wide animal welfare organization that serves the Brockville area. It takes in surrendered, stray, and transferred cats from across the United Counties of Leeds and Grenville and rehomes them through a structured adoption program backed by a much larger network.
Like most shelters, the centre tends to be cat-heavy, which is good news for an adopter. There is usually a solid selection of cats and kittens of varying ages, colours, and personalities, rather than the wait that a one-or-two-cat shelter would mean. Because the Ontario SPCA is a province-wide network, cats can be moved between its locations, so the local supply is broader than a small-city pound could manage on its own. Kittens in particular move fast, especially through the spring and summer kitten season, so if you find one that fits, apply the same day.
A cat adoption fee is not the cat's price. It offsets vetting the organization has already paid for, and it is far cheaper than catching up a free kitten yourself. Every adoptable cat placed through the Ontario SPCA is spayed or neutered, vaccinated, and microchipped before it goes home, and the fee generally also reflects deworming and a vet health check.
Confirm the current fee and exactly what is included on the cat's own listing, since it varies by age and any special medical care. The point that matters: a fully vetted adopted cat is far cheaper than a free online kitten you then have to vet yourself, and the money stays in the organization to help the next animal.
Nearly every Ontario shelter places cats as indoor-only, and eastern Ontario is a strong reason why. Brockville winters are genuine four-season winters, with cold snaps, snow, and the freezing rain that rolls in off the St. Lawrence. Add the wildlife of the surrounding countryside and the 1000 Islands shoreline, from coyotes to birds of prey, plus the traffic of a riverside city, and outdoor cats live dramatically shorter lives. A healthy indoor cat here routinely lives into its late teens with routine care.
Cats decompress on their own timeline. The common 3-3-3 guide is a useful frame: roughly three days to stop hiding, three weeks to start trusting a routine, three months to truly feel at home. A cat that hides at first is normal, not broken.
Keep the first days calm and predictable. Give the cat a quiet room, steady feeding times, and space to come out on its own terms. Most cats come out a different animal within a month, so judge the cat at three months, not three days.
The Leeds & Grenville centre sees a steady flow of cats and kittens needing homes, the great majority of them healthy domestic mixed cats that make excellent companions. Adopting clears a space so the shelter can help the next cat, and it costs a fraction of buying.
You also adopt with better information. A seller cannot tell you how a kitten will handle a dog, another cat, or a busy household. Shelter staff can describe how the cat in front of you already behaves with people, dogs, and other cats, which is the single best predictor of how the next year will go.
Browse cats from Ontario SPCA & Humane Society. Looking elsewhere in the province? See all Ontario adoption options.
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