Excavation is usually priced one of two ways: $200 to $600 per hour of machine and operator time for smaller or open-ended work, or as a fixed price for a defined dig. Most residential excavation projects land somewhere between $2,500 and $18,000 depending on how much material moves and where it goes. Treat every figure on this page as a starting point rather than a quote: on excavation, site conditions move the final number more than the size of the hole does.
The sequence is fairly consistent regardless of what is being dug. Utility locates come first, topsoil is stripped and stockpiled separately so it can be reused later, the bulk dig follows, and the base is graded and checked before anything gets built on it. What changes between jobs is the volume, the ground, and how far the spoil has to travel.
Recommended Equipment
Excavator. Almost every excavation job comes down to one machine that can dig, reach and load in the same cycle, and that is what an excavator does. Size is the real decision rather than machine type: a mini excavator fits through a gate and works inside a fenced yard, while a full-size machine moves several times the material per hour and is cheaper per cubic yard once there is enough volume to justify getting it to site.
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What actually drives the price
Volume is the obvious driver but it is rarely the one that surprises people. Doubling the depth of a hole more than doubles the material, and past a certain depth the walls stop standing on their own, which brings in benching, sloping or shoring as a real line item rather than an optional extra.
Soil and rock decide the pace. Clean, diggable soil moves predictably. Heavy clay is workable but slow and holds water, sometimes badly enough to need pumping to keep the excavation dry enough to work in. Rock, whether scattered boulders or solid bedrock, changes the job entirely and often means a hydraulic hammer brought to site specifically for that condition.
Where the spoil goes is frequently the largest single cost. A rural site with room to spread material on the property might absorb it at almost no added cost. A tight urban lot with nowhere to stage means every load leaves by truck, and if street access is also restricted, that means smaller loads, more trips and more hours.
Access sets the machine size, and machine size sets the rate of work. If a full-size excavator can drive to the dig, the job runs at full speed. If everything has to come through a narrow side yard, the operator brings a smaller machine and the same volume takes considerably longer, which is where a job that looked simple gets expensive.
Groundwater is the condition nobody budgets for. A high water table or a wet spring can mean pumping throughout the dig, and it can mean the difference between backfilling with the material that came out and having to import clean granular fill instead.
A short checklist before you book
Know the footprint and the depth you actually need, in writing from whoever is building on it. Arrange utility locates with enough lead time. Decide where spoil is going before the machine arrives, and confirm that decision is priced into the quote. Flag any rock, fill or old foundations you know about from previous digging on the property. Ask whether the quote is hourly or fixed, and what happens if conditions differ from what was assumed. Confirm the operator carries liability insurance. Ask whether topsoil will be stripped and kept separate for reuse.
Costs vary by site conditions. Use the ranges here to sanity-check what you are quoted, then get a direct price for your own property.
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