Sewer, Septic & Underground Utility Contractor in Los Angeles County
Acosta & Sons is an experienced Los Angeles utility contractor providing sewer, septic, wet utility, dry utility and underground utility construction throughout Los Angeles County for residential, commercial and public-works projects.
Request a Project Estimate
Tell us where the project is located and what type of sewer, septic, utility or excavation work you need.
Certified Septic Installation Across Los Angeles County
Acosta & Sons is a certified septic installer serving Los Angeles County and Southern California communities, including the City of Los Angeles, Malibu, La Cañada Flintridge and surrounding areas. Our team provides septic system planning and installation, septic tank replacement, OWTS installation and advanced treatment system work.
City of Malibu
Certified septic and onsite wastewater system support for Malibu-area properties and projects.
Los Angeles County
Septic and onsite wastewater services for properties and project teams throughout Los Angeles County.
La Cañada Flintridge
Septic, sewer and underground utility services for La Cañada Flintridge and nearby foothill communities.
Advanced Septic Treatment System Training
Acosta & Sons is trained to install advanced septic treatment systems from leading manufacturers, helping property owners and project teams implement appropriate wastewater solutions for complex site and regulatory requirements.
AquaKlear
MicroSepTec
Bio-Microbics
Jet
Sewer, Septic, Utility & Excavation Services
As an underground utility contractor serving Los Angeles County, Acosta & Sons handles projects ranging from sewer main and sewer lateral installation to septic systems, water lines, storm drains, dry utility conduit and complex excavation.
Sewer Construction
Sewer main installation, sewer lateral installation, new sewer connections, repairs, replacement and manhole installation for residential, commercial and public infrastructure.
Sewer Repair & Installation →Septic & OWTS
Septic system planning and installation, septic tank replacement, OWTS work, advanced treatment units, seepage pits and leach fields.
Septic Repair & Installation →Wet Utilities & Water Lines
Water-line installation, sewer utilities, storm-drain construction and related underground wet utility construction for private and public projects.
Water-Line Installation →Dry Utility Construction
Underground electrical conduit installation, communications conduit installation, duct-bank installation and joint-trench construction.
Dry Utility ContractorExcavation & Public Works
Utility potholing, deep excavation, trench shoring, slurry backfill, grading and public right-of-way construction for demanding underground projects.
Earthworks & Excavation →Sewer, Septic & Utility Service Areas Across Los Angeles County
Acosta & Sons provides sewer, septic, water-line, underground utility and excavation services throughout Los Angeles County. Explore our priority service areas below for location-specific information, services and project support.
Los Angeles
Sewer laterals, house sewer connections, water lines, underground utilities, ADU infrastructure and excavation throughout the City of Los Angeles.
Explore Los Angeles Services →Altadena
Sewer laterals, water lines, underground utilities, wastewater infrastructure and excavation for Altadena properties and projects.
Explore Altadena Services →Pasadena
Sewer laterals, water-line installation, wet utilities, underground infrastructure and excavation for Pasadena properties.
Explore Pasadena Services →Pacific Palisades
Sewer, water-line, underground utility and excavation services for residential, redevelopment and construction projects.
Explore Pacific Palisades Services →La Cañada Flintridge
Sewer, water-line, septic, underground utility and excavation services for La Cañada Flintridge properties.
Explore La Cañada Services →Malibu
Septic and OWTS installation, septic tank replacement, sewer construction, underground utilities and excavation.
Explore Malibu Services →Sun Valley
Sewer construction, water lines, underground utilities and excavation near Acosta & Sons' Sun Valley base.
Explore Sun Valley Services →Sunland
Sewer, septic, water-line, underground utility and excavation support for residential and commercial properties.
Explore Sunland Services →Tujunga
Sewer, septic, underground utility, water-line and excavation services for homes, businesses and construction projects.
Explore Tujunga Services →One Contractor for Residential, Commercial & Public Works Projects
Acosta & Sons supports property owners, contractors, developers, engineers and public-agency project teams with experienced underground construction capabilities throughout Southern California.
Homeowners
Sewer laterals, septic systems, water services, excavation and private property infrastructure.
Contractors
Site utilities, trenching, sewer connections, joint trench and excavation support.
Developers
Wet and dry utility infrastructure supporting residential and commercial development.
Engineers
Field execution for designed sewer, septic, water and underground utility systems.
Public Works
Underground infrastructure and public right-of-way construction requiring experienced crews.
Years of Underground Construction Experience
Founded in 1971, Acosta & Sons combines decades of Southern California field experience with A-General Engineering and C42 Sanitation licensing, bonded and insured credentials, and broad sewer, septic, utility and excavation capabilities.
Los Angeles Bonded Sewer Contractor Experience
Acosta & Sons has decades of experience supporting sewer, water and storm utility work and public infrastructure projects in Los Angeles.
Wet & Dry Utility Capabilities
One experienced contractor for sewer, water, storm drain, conduit, duct banks, joint trench and associated underground utility construction.
Complex Excavation & Trench Work
Capabilities include deep excavation, trench shoring, utility potholing, grading, slurry backfill and site restoration.
Residential Through Public Infrastructure
Support for homeowners, commercial properties, contractors, developers, engineers and public-works project teams.
Underground Utility Layout & Excavation
Recent Acosta & Sons field work reflects the site preparation, trenching, utility access, excavation and restoration involved in underground construction projects across Southern California.
Utility Layout & Excavation
Site preparation and underground utility access before excavation.
Trenching & Shoring
Controlled excavation and trench protection for underground infrastructure work.
Site Restoration
Repair and restoration following underground utility construction.
Sewer, Septic & Utility Contractor Questions
Common questions about sewer construction, septic and OWTS work, underground utilities, excavation and public-works projects in Los Angeles County.
What areas of Los Angeles County does Acosta & Sons serve?
Acosta & Sons serves communities throughout Los Angeles County, including the City of Los Angeles, Altadena, Pasadena, Pacific Palisades, La Cañada Flintridge, Malibu, Sun Valley, Sunland, Tujunga and surrounding areas.
What underground utility services does Acosta & Sons provide?
Our underground utility capabilities include sewer construction, water lines, storm drains, wet utilities, dry utilities, underground electrical conduit, communications conduit, duct-bank installation, joint-trench construction, excavation and related infrastructure work.
Does Acosta & Sons install septic and OWTS systems?
Yes. Acosta & Sons is a certified septic installer and provides septic system planning and installation, septic tank replacement, OWTS work, advanced treatment systems, seepage pits, leach fields and related excavation.
Can Acosta & Sons handle sewer main and sewer lateral installation?
Yes. Acosta & Sons provides sewer main installation, sewer lateral installation, new sewer connections, repairs, replacement and associated excavation for residential, commercial and infrastructure projects.
Do you handle commercial utility and public-works projects?
Yes. Acosta & Sons supports commercial utility construction, development projects and public-works infrastructure, including wet utilities, dry utilities, excavation, trenching and public right-of-way construction.
What excavation capabilities are available for underground utility projects?
Capabilities include utility potholing, deep excavation, trench shoring, grading, slurry backfill, utility trenching and site restoration associated with sewer and underground utility construction.
Planning Sewer, Septic or Utility Work in Los Angeles County?
Talk with Acosta & Sons about your project location, construction scope and underground infrastructure requirements.
Why Start Your Project With Acosta?
Work with one experienced contractor for sewer, septic, wet utility, dry utility and excavation projects throughout Los Angeles County.
Project Types
Residential, commercial, development and public-works construction.
Core Capabilities
Sewer • Septic • Wet Utilities • Dry Utilities • Excavation
Ready to discuss your project?
Call
818-248-3355
to discuss your location, scope and underground construction requirements.
A-General Engineering • C42 Sanitation
CSLB #273035