LA City Bonded Sewer Contractor | S-Permits & Right-of-Way Excavation

The engineering resource for builders, developers, and homeowners requiring precision sewer main connections, deep trenching, and permanent asphalt paving. From regulatory permitting to final road restoration, we deliver code-compliant underground sewer installations.






Start-to-Finish Engineering: From Initial

S-Permit to Final Asphalt Restoration

  • Bonded, Insured & City-Approved

    The logo for the sewer company shows a plumber carrying a pipe.

    We’re a fully bonded sewer contractor trusted by the City of Los Angeles, Pasadena, and surrounding municipalities. That means we can legally perform tie-ins, trenching, and street work — and get it inspected and passed the first time.

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  • We Handle Permits, Plans & Inspections

    A photo of a recently repaired sewer

    Sewer work isn’t just digging — it’s paperwork, engineering, and compliance. We handle everything from layout and submittals to final sign-off, saving you headaches and project delays.

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  • Trenchless & Traditional Options

    A drawing of a pipe in the ground with roots and a tree in the background.

    Whether it’s a full lateral replacement or a surgical tie-in under a driveway, we bring trenchless pipe bursting, CIPP lining, and conventional open trench solutions to match your site and budget.

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  • Clean, Fast, and Built to Last

    A yellow excavator is digging a hole in the ground in front of a house for sewer repair.

    Our crews show up ready, protect the jobsite, and finish on schedule. From ADUs to multifamily, you get clean installations, solid backfill, and zero shortcuts — all built to city code and long-term performance.

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Our Services

As sewer specialists, we are dedicated to providing you with reliable, professional service to meet all your needs. 

Technician Excavating Sewer
Our Sewer Pipe Lining Equipment
Sewer Lateral Repair
Trenchless Sewer Liner Process
Sewer Spray Liner Results
Sewer Installation and Excavation
Storm Drain Installation
Sewer Camera Inspections
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Sewer Repair & Rehabilitation Blog

Stay Up To Date on Industry related news and helpful topics by visiting our Blog!

Sewer Liner Repair Installation

Revolutionizing Sewer Repairs: Unleashing the Power of Trenchless Technology

By The Sewer Co. • December 14, 2023
Understanding the Evolution:* In the not-so-distant past, sewer repairs were synonymous with chaos, marked by extensive excavation that disrupted properties. Then came trenchless technology, our game-changing solution that eliminates the need for significant digging. Let's explore the evolution of trenchless methods, from their inception to the cutting-edge techniques that are redefining the game. *The Pillars of Trenchless Technology:* 1. **Trenchless Sewer Repair:** At The Sewer Co, we pride ourselves on our innovative approach to sewer repairs. Trenchless sewer repair lies at the heart of our commitment, allowing us to rehabilitate existing sewer lines without extensive excavation, streamlining the process and minimizing disruption to your property. 2. **Trenchless Pipe Bursting:** Imagine a method that replaces old, damaged pipes with minimal disruption. That's trenchless pipe bursting, and at The Sewer Co, we've mastered this technique. Discover how it works and its applications in various neig
Excavator exposing sewer pipe for repair.

ADU Sewer Connection: Seamlessly Integrating Additional Dwelling Units with Expert Precision

December 13, 2023
The Rise of Accessory Dwelling Units: 
SDR35 Sewer Pipe and Sewer Saddle Connection to City Main

Sewer Lateral Repair: Preserving Property Integrity with Expert Solutions

December 12, 2023
Understanding Sewer Laterals