In Wilton, there's the Animals in Distress Inc. Check classified ads for lost animals in local papers and keep an eye out for posters advertising lost cats. Many other pet stores are in neighboring towns and may be found through the phone directory. Companion animals may also be purchased through private breeders. The animal shelter in town occasionally has stray dogs for adoption but check dog pounds in bigger towns like Norwalk and Danbury.
Many veterinarians also offer boarding services.
In general, check that accommodations appear to be safe and clean, that the staff shows affection towards its guests, and that exercise is available for your pet. Consult your veterinarian for advice. Check with your kennel to see what vaccinations are required - you will need updated records from your vet. Most kennels require dogs to be vaccinated against rabies, distemper and bordetella. I have an apartment and my pet just died.