Commercial & Residential Excavation
Services in Oakland & Bay Area

Footings excavation for ADU

Foundation

A solid foundation is required for any residential and commercial project to begin. Whether the site needs to be cleared before excavation begins or the site is already ready to begin digging, Costa Demolition is an experienced Excavation Contractor in Bay Area

We begin with careful planning and preparation, and are able to follow plans when doing any size earthmoving job.

Utility Trenching

Upgrading an electrical circuit? Need to run utilities to a new ADU, shed or garage? Trenching is always required to accomplish any of these tasks. Digging by hand sometimes is almost impossible due to existing hard top surfaces such as concrete, pavers, or dirt. 

Hiring a professional to accomplish this task can save you a lot of headache. Our team have the appropriate machinery and manpower to dig and backfill any size trench. Give us a call today!

Trenching job in San Mateo, CA

Pier Drilling

Structural plans often calls for deep piers when building the foundation of a new commercial or residential structure in unstable grounds. Drilling foundation piers requires specialized augers, drill bits, and machinery to get the job done. Costa Demolition owns the machinery and drilling accessories to drill piers up to 30′ deep. We have been helping contractors and homeowners Drill Piers in Bay Area for over 20 years! Contact us for a free quote if your project requires drilling piers. 

Grading

A level ground is essential for any new construction or hardscape project to begin. Costa Demolition specializes in grading for any size job. We utilize the help of lasers and follow plans to achieve the desired elevation that’s needed. Our fleet of heavy machinery can grade any jobsite. 

Whether you’re looking to grade your backyard to a specific level/slope or building a new structure, Costa Demolition offers efficient grading services in Oakland Bay Area.

Swimming pool backfill & compaction in San Jose, CA

Backfill & Compaction

Backfill is the process of refilling areas that was excavated or to fill areas to prepare the ground for new projects to kickoff. Backfilling materials can be the native soil or imported materials such as baserock and sand. We have the trucks and means to import/export any quantity of materials you need.

In addition to backfilling, we can also compact the areas to achieve the maximum stability that’s required for any projects. Whether you’re looking to backfill a trench or need to achieve a certain percentage of compaction as dictated by a soils engineer, our team offer the backfill and compaction services throughout the bay area.

CONTACT FOR A FREE QUOTE