Four Rivers Excavating
driveways, excavation, foundations, grading, hauling trucking, pond water management
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Ontario, OR Contractor directory
Excavation contractors in Ontario, OR
8 verified excavation contractors serving Ontario.
Ontario excavation guide
Ground conditions, permits & project requirements in Ontario
Hiring for excavation or concrete work in Ontario? This local research covers the soil, permit, and site conditions a Ontario contractor will work around — so you can compare bids with the same facts they use.
Skip to 8 contractorsPermits & requirements
Call Oregon 811 before you dig — the state requires at least 2 working days of notice.
Frost depth & footing depth
In Oregon, footings typically need to extend below the frost line, which is around 24 inches here. A local contractor will confirm the code requirement for your site.
Contractor licensing in Oregon
Excavation and grading work in Oregon typically requires a state license (OR CCB license).
Regulator: Oregon Construction Contractor Board.
Verified local listings
Excavation & concrete contractors serving Ontario
8 verified listings
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Area-specific FAQ
Do I need to call before digging in Ontario?
Yes. You should contact Oregon 811 at least 2 working days before any digging so underground lines can be marked.
How deep do footings need to be in Oregon?
In Oregon, footings typically need to extend below the frost line, which is around 24 inches here. A local contractor will confirm the code requirement for your site.