About
About Acosta & Sons Sewer Contractors in Southern California
Since 1971, Acosta & Sons Sewer Contractors has been a trusted underground utility, public works, and wastewater infrastructure contractor serving Southern California. As a family-owned and operated company, we have built our reputation on quality workmanship, technical expertise, safety, and dependable service.
We provide comprehensive solutions for sewer, septic, water, storm drain, and utility infrastructure projects for residential, commercial, industrial, and municipal clients. Our services include sewer line repair and replacement, new sewer connections, CCTV inspections, water service installations, storm drain systems, wet and dry utilities, electrical conduit systems, utility trenching, grading, and excavation.
Acosta & Sons is also a leader in onsite wastewater treatment systems (OWTS), offering septic system planning, design coordination, permitting assistance, installation, maintenance, repairs, and system upgrades. Our experience includes conventional septic systems, advanced treatment units (ATUs), seepage pits, leach fields, and engineered wastewater treatment solutions designed to meet the unique requirements of each property.
From private developments and commercial construction projects to public works and municipal infrastructure improvements, our experienced team delivers safe, efficient, and code-compliant solutions while maintaining the highest standards of quality and professionalism.
As a City of Los Angeles Bonded Sewer Contractor and Certified Septic Installer, we understand the regulatory, environmental, and construction requirements necessary to successfully complete complex underground infrastructure projects throughout Southern California.
For more than five decades, homeowners, contractors, developers, HOAs, engineers, and public agencies have trusted Acosta & Sons to deliver reliable infrastructure solutions across Los Angeles, Orange, Ventura, Riverside, and San Bernardino Counties.
Built on Experience. Driven by Quality. Trusted Since 1971.
EXPLORE OUR CORE SERVICES
OUR FEATURED SERVICES
EXPLORE PROJECTS
Septic Pumping, Repairs & Installations
EXPLORE PROJECTS
Sewer Repairs & Sewer Main Installation Services
EXPLORE PROJECTS
Excavation Contractors
EXPLORE PROJECTS
Water Lateral Installation
THERE ARE MANY TYPES OF SERVICES
IN PLUMBER
SEWER / SEPTIC / EXCAVATION
Need Sewer or Septic Service?
With more than 50 years of experience, Acosta & Sons provides dependable sewer, septic, water, and excavation services throughout Southern California. Our licensed team brings the equipment, technical knowledge, and hands-on experience needed to handle urgent repairs, planned installations, and complex underground projects safely and efficiently.
If you are dealing with a sewer backup, septic issue, damaged line, or another urgent underground utility problem, contact our team today. We will review your situation, explain the available options, and help you schedule the right service as soon as possible.


