A known home is the least stressful safe place
For most Domestic Shorthairs, the safest sudden stay is with family or a friend the cat has met, in a home without open escape routes. Ask the host for one room with a door that closes properly: his bedding and carrier in a quiet corner, litter tray at the far end, food and water away from it. One room may sound restrictive, but to a cat in a strange building it is a defensible territory he can learn in an evening. The full run of an unfamiliar house multiplies hiding places, open windows, and the chance he is behind the front door when it opens.
Boarding when the absence is long or complicated
A licensed boarding cattery earns its place when a Domestic Shorthair must be away for more than a couple of nights, when the household is in chaos, or when no suitable host exists. Choose a facility that houses cats separately from dogs, shows you the pen before you commit, and will feed his own food on his own schedule. Vet boarding suits a cat with an ongoing care routine, because the people supervising him already hold his records. Bring his vaccination documentation to either option, since reputable facilities ask for it at intake, and discovering that at the desk during an emergency departure helps nobody.
Hotels, rentals, and staying with you instead
If the sudden departure is the whole household leaving, taking your Domestic Shorthair with you to pet-friendly lodging is often better than placing him elsewhere. Confirm the property genuinely accepts cats before you arrive, and set him up in the bathroom or one room with his tray and bedding while bags are moved, because arrival with open doors is the classic escape moment. He travels in his carrier, never loose in the car, and wears his collar and ID throughout the stay. In rentals, check window screens and exterior doors yourself rather than trusting the listing's description of the property as secure.
What to brief, whatever option you choose
Every host for a Domestic Shorthair needs the same briefing: feeding times and amounts, litter habits, how he signals stress, and the behaviours that are normal for him. Note whether he is a door-darter, a hider, or a cat who bolts at vacuum cleaners and doorbells, because the host's habits should bend around the riskiest trait. Leave your vet's number, your own number, and an out-of-area contact in writing at the host's home. If he stops eating for a full day, strains in the litter tray, or injures himself, the instruction is to call you and the vet rather than wait for your return.
Deciding in advance, before the sudden day
The time to choose where a Domestic Shorthair stays is before any emergency, when you can visit the cattery, ask the friend, and note who has a dog that makes their home unsuitable. Write the plan down in order of preference, first choice and backup, because the obvious host may be away when you need them. Keep his carrier, a bag of his food, and his documents together at home so any option can be executed in minutes. Putting his profile and care details where family can see them through KinsLe Family Sharing means the person who takes him in is reading his actual routine and needs, not reconstructing them from a hurried phone call.