Yes—usually, but it depends on what the can is made of and how you handle it. Stainless steel, aluminum, heavy-duty plastic, and properly coated metal bins can be hosed out without rusting, as long as you don’t let water sit in seams or scratches. Painted or galvanized steel is the risky one: the coating protects the metal, but once it chips, water and oxygen get in and rust starts. I’d never just blast every urban trash can with a hose and walk away.
For everyday cleaning, empty the bin, rinse with low-pressure water, scrub with mild soap and a soft brush, and rinse again. Avoid high-pressure spray around hinges, locks, wheels, and any sensor or solar panel on smart bins. Don’t use bleach-heavy cleaners on coated metal if you can avoid it; they can dull or break down the finish. After washing, tip the can to drain, wipe the inside dry, and leave it open in the sun or a ventilated spot. Dry seams matter more than a quick surface wipe.
If you’re cleaning a row of city bins, check for rust spots first. Sand small spots, apply a touch-up paint or rust-inhibiting coating, and keep the drain holes clear. Bins with liners are easier: remove the liner, wash it separately, and just wipe the outer can. Plastic bins are the most forgiving; stainless steel looks best with a soft cloth and mild detergent; painted steel needs the most care. So yes, urban trash cans can be hosed out without rusting—but only if the material, coating, and drying routine are right. If the can is badly rusted, badly chipped, or full of electronics, don’t soak it; clean it by hand and repair the finish first.