Sewer, Water Line & Underground Utility Contractor in Los Angeles, CA
Acosta & Sons is an experienced Los Angeles sewer contractor providing sewer lateral installation and replacement, house sewer connections, water-line construction, wet utilities, dry utilities, trenching and excavation for residential, commercial, ADU and development projects throughout the City of Los Angeles.
Request a Los Angeles Project Estimate
Tell us about your Los Angeles property and the sewer, water-line, utility, wastewater or excavation work your project requires.
Experienced Los Angeles Sewer Contractor
As an experienced Los Angeles sewer contractor, Acosta & Sons supports homeowners, builders, general contractors, developers, engineers and commercial project teams with sewer laterals, house sewer connections, water services, wet utilities, dry utilities and excavation throughout the City of Los Angeles.
Los Angeles Sewer Project Support
Sewer connections, laterals, water lines, utility trenching and excavation for homes, ADUs, commercial properties and development projects.
Regional Construction Experience
More than five decades of sewer, wastewater, underground utility and excavation experience throughout Los Angeles and surrounding Southern California communities.
Licensed, Bonded & Insured
A-General Engineering and C42 Sanitation credentials supporting sewer, sanitation, utility and excavation construction.
Septic & Advanced Wastewater System Experience
Acosta & Sons also provides septic and advanced wastewater treatment experience for Los Angeles-area properties and specialized projects where onsite wastewater infrastructure is applicable.
AquaKlear
MicroSepTec
Bio-Microbics
Jet
Los Angeles Sewer Contractor Services
From a house sewer connection or lateral replacement to water service construction, utility trenching and complex excavation, our Los Angeles sewer contractor team supports residential, commercial, ADU and development projects throughout the city.
Sewer Laterals & House Connections
New sewer connections, lateral installation, repair and replacement with associated trenching and excavation.
Sewer Repair & Installation →Water-Line Installation
Underground water-line installation and replacement supporting homes, ADUs, businesses, remodels and new construction.
Water-Line Services →Wet Utility Construction
Sewer, water, storm-drain and associated wet utility infrastructure for private properties and larger construction projects.
Wet Utility Services →Excavation & Trenching
Utility potholing, excavation, trenching, shoring, grading, backfill and site restoration for underground construction.
Earthworks & Excavation →Septic & Wastewater Systems
Septic and advanced wastewater infrastructure for qualifying Los Angeles-area properties where onsite treatment is applicable.
Septic Services →Sewer & Underground Construction for Los Angeles Properties
Los Angeles sewer projects may involve house connection sewers, existing laterals, new connections, ADUs, utility conflicts, excavation and construction affecting the public right-of-way. Permit and inspection requirements depend on the exact project scope.
House Sewer Connections
New connections between private property sewer piping and the City sewer system for qualifying residential, commercial and development projects.
Sewer Lateral Repairs
Repair, alteration or replacement of house connection sewer laterals serving Los Angeles properties.
ADU Sewer Lines
Sewer and utility infrastructure supporting accessory dwelling units, additions and residential property improvements.
S-Permit Projects
New house sewer connections, reconnections and qualifying lateral repairs may require a City of Los Angeles Sewer S-Permit.
Public Right-of-Way Work
Sewer construction extending into public streets or other City right-of-way areas can involve additional permit, bond and inspection requirements.
Excavation & Shoring
Deep trenching, shoring, utility potholing, grading and excavation supporting sewer, water and underground utility projects.
Commercial & Development Work
Underground sewer, water, wet utility and excavation support for commercial sites, redevelopment and new construction.
One Contractor for Los Angeles Underground Infrastructure Projects
Acosta & Sons supports homeowners, general contractors, developers, engineers and commercial teams with sewer, water-line, wet utility, wastewater and excavation capabilities.
Homeowners
Sewer laterals, house connections, water services, ADU utilities and underground property infrastructure.
General Contractors
Site utilities, sewer connections, trenching, water lines and excavation support.
Developers
Underground infrastructure supporting residential, multifamily and commercial development projects.
Engineers
Field execution for designed sewer, water, storm drain and underground utility systems.
Commercial Projects
Utility construction, excavation and underground infrastructure for commercial properties and project teams.
Why Choose Acosta as Your Los Angeles Sewer Contractor?
Founded in 1971, Acosta & Sons brings more than 50 years of Southern California construction experience to sewer, water-line, utility, wastewater and excavation projects. As a licensed, bonded and insured Los Angeles sewer contractor, our team can support multiple underground construction scopes under one experienced contractor.
House Sewer & Lateral Experience
New connections, reconnections, repair and replacement of underground sewer infrastructure serving private properties.
Sewer, Water & Utility Capabilities
One contractor for sewer lines, water lines, wet utilities, dry utility excavation and associated construction.
ADU & Development Experience
Underground infrastructure supporting accessory dwelling units, new homes, additions and development projects.
Complex Excavation & Trench Work
Capabilities include deep excavation, trench shoring, utility potholing, grading, backfill and site restoration.
Sewer & Utility Services Across Los Angeles County
In addition to the City of Los Angeles, Acosta & Sons provides sewer, septic, underground utility, water-line and excavation services throughout communities across Los Angeles County and Southern California.
Los Angeles County
Sewer, septic, water-line, underground utility and excavation services throughout Los Angeles County.
Malibu
Septic, OWTS, sewer, utility and excavation services for Malibu properties and construction projects.
Sun Valley
Sewer construction, underground utilities, water lines and excavation services for Sun Valley projects.
Sunland
Sewer, utility and excavation support for residential and commercial properties throughout Sunland.
Tujunga
Underground sewer, utility and excavation capabilities for homes, businesses and project teams in Tujunga.
Pasadena
Sewer laterals, water-line installation, utility construction and excavation services for Pasadena properties.
Pacific Palisades
Sewer, water-line, underground utility and excavation services for Pacific Palisades properties and projects.
La Cañada Flintridge
Sewer, water-line, utility, wastewater and excavation support for La Cañada Flintridge projects.
Altadena
Sewer laterals, water lines, underground utilities and excavation services for Altadena properties.
Underground Utility Layout & Excavation
Acosta & Sons field work reflects the preparation, trenching, utility access, excavation and restoration involved in sewer and underground infrastructure projects throughout Southern California.
Underground Utility Layout & Excavation
Site preparation and utility access before excavation.
Trenching & Shoring
Controlled excavation and trench protection for underground work.
Utility Site Restoration
Repair and restoration following underground construction.
Los Angeles Sewer Contractor & Utility FAQs
Common questions about sewer connections, house connection laterals, water lines, ADU infrastructure, underground utilities and excavation in the City of Los Angeles.
Does Los Angeles require a permit for a new sewer connection?
Yes. The City of Los Angeles Bureau of Engineering states that a Sewer S-Permit is required for qualifying work such as constructing a new house sewer connection, connecting to an existing house connection lateral at the property line, or repairing a damaged house connection lateral.
Who is responsible for the sewer lateral in Los Angeles?
City Bureau of Engineering guidance states that the property owner is responsible for repair and maintenance of the house connection lateral from the property line to its connection with the mainline sewer.
Can Acosta & Sons install or replace a sewer lateral in Los Angeles?
Yes. Acosta & Sons provides sewer lateral installation, repair and replacement, new sewer connections, trenching, excavation and related underground infrastructure for qualifying residential, commercial and development projects.
When is a Bonded Sewer Contractor required in Los Angeles?
City guidance states that sewer construction performed within the public right-of-way requires an approved Bonded Sewer Contractor to obtain the applicable permit and meet City licensing, insurance and bond requirements.
Can Acosta & Sons provide sewer lines for an ADU?
Yes. Acosta & Sons provides sewer and underground utility infrastructure supporting ADUs, residential additions, new construction and other qualifying property improvements.
Why choose Acosta & Sons as a Los Angeles sewer contractor?
Acosta & Sons combines more than 50 years of Southern California construction experience with sewer, water-line, wastewater, underground utility, trenching and excavation capabilities.
Do you install water lines in Los Angeles?
Yes. Acosta & Sons provides underground water-line installation and associated wet utility and excavation work for qualifying residential, commercial and construction projects.
What excavation services are available?
Capabilities include utility potholing, deep excavation, trench shoring, grading, backfill, utility trenching and site restoration associated with sewer, water and underground utility work.
Does Acosta & Sons serve areas outside the City of Los Angeles?
Yes. Acosta & Sons serves communities throughout Los Angeles County and Southern California, including Altadena, Pasadena, La Cañada Flintridge, Sunland, Tujunga, Sun Valley, Malibu and Pacific Palisades.
Planning Sewer or Underground Utility Work in Los Angeles?
Talk with Acosta & Sons about your property, construction plans and underground infrastructure requirements for sewer, water-line, utilities, wastewater or excavation work in Los Angeles.
Why Start Your Los Angeles Project With Acosta?
Work with one experienced contractor for sewer, water, wastewater, underground utilities and excavation.
Project Types
Residential, ADU, remodel, new construction, development and commercial infrastructure.
Core Capabilities
Sewer • Water Lines • Wastewater • Utilities • Excavation
Ready to discuss your project?
Call
818-248-3355
to discuss your Los Angeles property and underground construction requirements.
A-General Engineering • C42 Sanitation
CSLB #273035