What you're allowed to put in a Keene dumpster changes the size you actually need. Kern County covers Keene, but ask whether your specific address is inside the primary zone or the outer one; the answer changes what's available. Material that packs dense, broken concrete or old countertop stone among it, tends to reach the tonnage figure built into a rental well ahead of the visual fill line.
A rental company serving Keene usually pulls from the same truck pool covering all of Kern County. Being a smaller market in California, Keene sees haulers pass through on a route rather than stage equipment locally, so the calendar decides more than the phone call does.
Pre-war bungalows through 1960s-70s slab tracts covers most of what is standing nearby, and that era's materials, plaster and lath among them, run heavier than drywall. Think of strict diversion requirements and widespread C&D recycling as the real endpoint of the job, not the curb where the container sat. You will not need city encroachment permits, CalRecycle diversion reporting for a driveway. You will need it the second the container sits where cars park. Keep the container off the sidewalk and the pedestrian-access question never comes up. Keep kids and pets away from the container once it's down. The edges are sharper than they look and debris shifts without warning.