Olsen Excavation & Grading
Sonora, California
Rated 4.3 out of 5 from 11 reviews
Categories
Services
Concrete contractor
Drilling contractor
General contractor
Septic system service
Utility contractor
At a Glance
Accessibility
- Wheelchair accessible parking lot
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Contact Information
Listing information last updated July 19, 2026.
Directory details are compiled from public business information and owner submissions.
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