Foundation Drilling Services

Drilled piers and caissons consist of concrete poured into drilled shafts to give your structure a deep foundation. The shafts may contain temporary or permanent steel casings around the concrete to hold the sides together.
Dees-Hennessey Inc. provides pier and caisson drilling services in Northern California and surrounding areas.
  • Machine Drilled
  • Hand Dug, if required
  • Tie-Down Anchors ­– Micro-Piles
We drill piers and caissons for towers, buildings, bridges, billboards, signs, electrical high line structures and more.

Licensed & Insured

Dees-Hennessey Inc. is licensed, bonded and insured for your protection. We have more than 30 years of general engineering experience and are prepared to assist. Call for amenity quotes.