We specialize in residential and commercial excavation services, including site preparation, land clearing, grading, trenching, utility installation, and driveway construction across southern Vancouver Island.

Yes, Tanner Excavating works on projects of all sizes—from small backyard digs and drainage solutions to large-scale commercial site prep.

We are based in Cobble Hill and serve the entire South Cowichan Valley and Southern Vancouver Island. Our core service areas include Duncan, Shawnigan Lake, Mill Bay, Cowichan Bay, and Ladysmith. We also service Nanaimo and Victoria for larger specific projects

Yes, Tanner Excavating is fully licensed and insured, giving you peace of mind that your project is protected and completed to professional standards.

Absolutely. We provide free, no-obligation estimates so you can plan your project with confidence.

Absolutely. The Cowichan Valley is known for its challenging terrain, including hardpan and rock. We utilize specialized equipment (like hydraulic breakers) to manage rock excavation for foundations and driveways, ensuring your site is prepped correctly whether you are building on a flat lot in Duncan or a rocky slope in Mill Bay.

Yes. Reid Tanner has extensive experience installing Type 1, 2, and 3 septic systems that meet all Island Health (VIHA)and Cowichan Valley Regional District (CVRD) requirements. We handle the excavation and installation carefully, ensuring compliance specifically for the rocky or clay soil conditions common in Cobble Hill and Shawnigan Lake

Our fleet includes excavators, skid steers, dump trucks, and specialized equipment to handle jobs of any size safely and efficiently.

Safety is our top priority. We follow WorkSafeBC regulations, maintain well-serviced equipment, and train all staff in safe work practices.

Yes, we provide land clearing services to prepare your property for construction, landscaping, or other projects.

Yes. The heavy rainfall in the Cowichan Valley often leads to perimeter drain failure. We specialize in diagnosing and replacing perimeter drains, installing curtain drains, and regrading properties in Cobble Hill and Duncan to divert water away from your foundation before the winter rains cause damage.

Yes, we build gravel driveways and access roads, ensuring proper grading and drainage for long-lasting results.

Project timelines vary depending on size and complexity, but we provide clear schedules and keep you updated every step of the way.

Safety is our priority. We coordinate directly with BC 1 Call to locate all underground gas, hydro, and water lines before we break ground. For projects in the CVRD, we can also assist in guiding you through the necessary machine-work permits.

Yes, Tanner Excavating offers safe demolition and removal of old structures, sheds, and concrete to prepare for new construction.

We accept major payment methods, including e-transfers, credit cards, and business checks. Payment terms are discussed in advance.

Rates vary depending on equipment, project size, and site conditions. Contact us for a detailed estimate customized to your project.

Yes, we deliver gravel, sand, and topsoil for driveways, landscaping, and construction projects.

Yes, we have the equipment and expertise to handle difficult terrain and ensure stable, safe excavation.

We are a local, family-owned company with a reputation for reliable service, fair pricing, and quality workmanship throughout southern Vancouver Island.