Foundation Excavation
Building Starts From the Ground Up.
Precision foundation excavation for residential and commercial construction. Accurate depths, proper drainage, and ready for your foundation contractor.
Why Choose Us
The Cojo Difference
Precision Accuracy
Exact depths and dimensions per your plans and specifications
Proper Drainage
Correct grades and drain tile installation protect your foundation
Soil Expertise
Experience with Oregon's challenging soil conditions
Contractor Coordination
Seamless handoff to your foundation contractor
Equipment Range
Right-sized equipment from compact to large excavators
Timeline Reliability
Accurate scheduling keeps your project on track
Overview
Foundation Excavation Services
Foundation Excavation Services in Oregon
The foundation is the most critical element of any structure, and proper excavation is essential for a successful foundation pour. Cojo Excavation & Asphalt provides precision foundation excavation throughout Oregon that meets exact specifications and prepares your site for quality foundation work.
### Residential Foundation Excavation
- Full basement foundations
- Crawl space foundations
- Slab-on-grade preparation
- Additions and remodels
- Garage foundations
- ADUs and outbuildings
### Commercial Foundation Work
- Large footprint excavations
- Deep foundation pits
- Elevator and utility pits
- Retaining wall footings
- Loading dock construction
### Why Precision Matters
Foundation excavation requires accuracy that directly affects:
**Structural Integrity**: Improper depths or widths compromise foundation strength **Drainage**: Poor excavation leads to water problems **Budget**: Over-excavation wastes concrete; under-excavation requires rework **Timeline**: Accurate work the first time keeps projects on schedule
### Our Foundation Excavation Process
1. **Review Plans**: Study architectural and structural drawings 2. **Utility Locates**: Identify all underground utilities 3. **Staking**: Mark exact excavation boundaries and depths 4. **Excavation**: Dig to precise specifications 5. **Soil Disposition**: Stockpile or haul excess material 6. **Base Preparation**: Compact and prepare for forms 7. **Drainage**: Install drain tile if specified 8. **Final Prep**: Ready for foundation contractor
### Challenging Conditions
- High water tables
- Rocky ground
- Heavy clay soils
- Hillside building sites
- Tight access situations
### Coordination With Your Team
- General contractors
- Foundation contractors
- Structural engineers
- Building inspectors
**Contact Cojo Excavation & Asphalt at (541) 409-9848** for foundation excavation estimates. CCB #241656.
Our Process
How We Work
Plan Review
Study architectural and structural plans for exact specifications
Site Staking
Mark excavation boundaries, corners, and depth benchmarks
Utility Location
Confirm all underground utilities are marked and protected
Excavation
Dig to precise depths and dimensions per specifications
Base Preparation
Compact and grade bottom of excavation for foundation
Drainage Installation
Install drain tile and gravel if specified in plans
FAQ
Common Questions
Ready to get started?
Get a free, no-obligation quote for your foundation excavation project. We respond within 24 hours.