Comprehensive Excavation Services in Northern California
At Olenders Excavating Inc., we specialize in providing top-notch excavation solutions tailored to your specific needs. Serving Colfax, Grass Valley, Auburn, and the surrounding Sierra Foothills, we bring over 20 years of expertise to every project. From residential site preparation to large-scale commercial jobs, our skilled team is ready to tackle any challenge with precision and care.

Land and Site Development
Preparing your property for construction with grading, leveling, and clearing.

Septic System Services
Expert installation, inspection, and repair for residential and commercial septic systems.

Underground Utilities
Trenching and utility line installation for water, power, and sewer systems.

Drainage Solutions
Ensuring proper water flow to protect your property from erosion and flooding.
Your Project Deserves the Best
Whether you’re breaking ground on a new home, upgrading your septic system, or addressing drainage concerns, Olenders Excavating Inc. is here to help. With over 20 years of trusted experience in Northern California, we’ll ensure your project is completed with precision and care.