Excavation · Cambridge, Ontario
How Much Does Excavation Cost in Cambridge? (2026 Guide)
What excavation costs in Cambridge in 2026 — and why two jobs that look the same on paper can be priced very differently once you know the soil, the access and the water on the lot.
The short answer
For most residential jobs in Cambridge, excavation runs roughly $2,500–$15,000+. A short trench or a single footing can start near $1,200. A full basement dig, a lot inside the GRCA floodplain, or a dig that hits dolostone in old Galt lands at the top of that range or beyond it.
The four things that set the price
- Volume and depth. A footing for an addition moves a few truckloads; a basement for a new build moves dozens. Depth adds shoring and dewatering as well as soil.
- Access. An open Hespeler or Clemens Mill lot takes a full-size machine. A narrow Galt infill lot with a two-foot side yard takes a compact machine, more trips and more hours for the same hole.
- Ground conditions. Gravel outwash along the Grand and Speed digs easily but sloughs and holds water. Till on the flats digs slower and hides boulders. Shallow bedrock in parts of Galt is the one condition that can double a dig.
- Disposal. Clean fill stockpiled on site costs little. Hauling surplus to a receiving site — especially soil that needs testing under Ontario's excess soil rules — is a real line item.
Cambridge-specific extras
- GRCA permit for work in a regulated area — a fee plus lead time.
- Dewatering on spring digs near the rivers.
- Road-allowance work when a sewer or water service crosses the property line — the City and Region get involved.
What we do to keep the number honest
We walk the lot, check the GRCA mapping, look at the neighbours' foundations for a hint of rock, and write a quote with a stated allowance for the unknowns. If we hit something we didn't expect, you hear about it that day with a number, not at the end with an invoice.
Frequently asked questions
Why did I get such different quotes for the same dig?
Usually because one contractor priced the unknowns — rock, water, disposal — and the other didn't. Ask each what happens if they hit bedrock or water; the answer tells you which quote is real.
Is a foundation dig cheaper in summer?
Ground conditions are better in late summer and fall — lower water table, no frost — so digs go faster and dewatering is less likely. Spring digs near the Grand and Speed are the most likely to run over.
Do you charge for a site visit?
No. Site visits and written quotes are free anywhere in Cambridge and the surrounding townships.
Ranges are general estimates for the Cambridge area and vary by project. Contact us for a free, no-obligation quote specific to your job.