Why Choose Us

DeVries Diversified and Gopher Construction Company are family owned and operated. As a leader in the industry, we offer a unique and seamless blend of professional services with over six decades of experience, we provide reputable, expert, knowledgeable, and cost effective solutions for a variety of sewer systems, septic systems, drainage installations, and repairs of all kinds on public and private property. We serve Los Angeles County and surrounding areas and we are on the Los Angeles City list of approved bonded sewer contractors.

Gopher Construction Co.

A DeVries Diversified Company
State License #601749

  • Inspections & Certifications
  • Private Sewage Disposal Systems (PSDS)
    • Traditional Systems
    • Piranas
    • Repairs
  • Onsite Wastewater Treatment Systems
    • AdvanTex Systems
  • Sewer Connections & Repairs
  • Sewer Pipe Repairs

DeVries Diversified

General Engineering Contractor
State License #535260

  • Sewer Video Inspections
  • Pipe Hydro-Jetter, Camera & Locator
  • Sewer Lateral Installation
  • Mainline Sewer Installation
  • House Sewer Connections
  • Storm Drain Installation
  • Water Main Installation
  • Specialty Work