If I were managing a small plaza, I’d start with 32–45 gallon urban trash cans for most locations. That range hits the sweet spot: large enough to handle a busy Saturday but small enough to empty before bags get too heavy or odors build up. For most small plazas, a 45-gallon can at the main entrance, near seating, or close to food vendors makes sense, while 24–32 gallon cans can work in quieter corners or near short-stay seating.
Don’t jump straight to 65-gallon or larger bins unless you have high foot traffic and frequent collection. Oversized cans look efficient, but they can become heavy, smell worse, and encourage staff to let waste sit too long. On the flip side, residential-size 13–20 gallon bins are usually too small for a public plaza; they overflow quickly and create litter.
Practical details matter as much as capacity. Choose commercial trash cans with a lid, a sturdy liner system, and a design that fits your plaza’s look. A 32–45 gallon commercial trash can should use standard liners and be easy for one person to service. If your bins sit outside in the rain, make sure the lid sheds water and the base has drainage. Pair each trash can with a recycling bin if your waste hauler supports it, and place them where people naturally walk—near entrances, crosswalks, seating edges, and vendor areas.
Before buying a full set, test one or two sizes for a week. Check how often they fill, how heavy they are at collection, and whether visitors pile waste beside them. The best urban trash can size for a small plaza is the one that matches your service schedule, not just your headcount. In most cases, that means 32–45 gallon bins, with a mix of sizes and a clear collection routine.