Eliteco Builders
Curb Traps and Sewer Lines in Philadelphia Homes
RESOURCE GUIDE · PLUMBING

Curb Traps and Sewer Lines in Philadelphia Homes

Curb traps and sewer lines are a common older-Philadelphia plumbing issue. Here is what they are.

By Eliteco Builders
Published 2026-10-02 · Updated 2026-10-02
3 min read
Table of Contents
  1. What the curb trap does
  2. How they fail
  3. Diagnosing and repairing
  4. Frequently Asked Questions

The curb trap is the plumbing fitting at the property line where your home's waste line meets the city sewer. It stops sewer gas and gives a cleanout point.

What the curb trap does

The curb trap is the plumbing fitting at the property line where your home's waste line meets the city sewer. It stops sewer gas and gives a cleanout point.

How they fail

Older traps and sewer lines crack, root-intrude, or collapse over decades. A recurring clog or a slow whole-house drain often points to the line, not a single fixture.

Diagnosing and repairing

We scope the line to find the failure, then repair or replace the section. The connection to the city main has to be sound before we close it up.

FREQUENTLY ASKED QUESTIONS

How do I know my sewer line is failing?

Recurring clogs, slow drains across multiple fixtures, and wet patches in the yard are common signs. A camera scope confirms it.

Who owns the sewer line?

The property owner is generally responsible for the line from the home to the connection at the city main. We can scope it to find where a problem sits.

READY TO START?

LET'S TALK ABOUT YOUR PROJECT

Tell us what you are planning. We will review the scope and follow up with next steps.

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