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Open 24 hoursServing South Bay / Los Angeles CountyCA C-36 Lic# 10655945.0 · 5 Google reviews

Backwater Valve Installation in the South Bay

City requirement or a downstairs drain that floods when the street surcharges? Request a backwater valve estimate.

Schulze Plumbing Inc. provides Backwater Valve Installation in the South Bay / Los Angeles County area. See cities we serve or call 310-487-2975.

Sewer repair joining new black ABS pipe to older clay pipe with a rubber coupling in a trench
Clay-to-ABS sewer coupling repair

A backwater valve is a one-way fitting on the building sewer. It is for properties where the public sewer can surcharge into low fixtures. It is not a substitute for a working lateral, and it needs a cleanout so it can be serviced.

Some South Bay remodels and downhill lots trigger this in plan check. We install to the approved drawing, not as a mystery box in the yard.

Common symptoms

  • Lower-level drains that overflow when it rains or the street main is stressed
  • A plan-check correction calling for a backwater valve
  • A prior flood from the sewer, not a clogged toilet

What this service involves

  • Siting the valve with access
  • Installing on the correct side of the system
  • Explaining maintenance so it does not stick shut or open

Get My Backwater Valve Estimate

Share photos, fixture ages, and your ZIP. We’ll follow up about an estimate for the work you approve.

Process

  1. Share whether this is a city requirement and which fixtures are below the next upstream manhole, plus your ZIP code so we can confirm South Bay coverage.
  2. We follow up to confirm access, scope, and whether permits or other trades may be involved.
  3. You receive an estimate for the work you approve. We do not publish prices on this page.
  4. After you approve, we schedule the job.

FAQ

Will this stop all backups?
It is aimed at backflow from downstream. A clog inside the house is a different problem.
Does it need maintenance?
Yes. Debris can hold it open or shut. Access is part of the design.
Is it required?
Sometimes by code or city comment. We install when specified or when the plumbing condition calls for it.

Related services

All Sewer & Drain services

Areas we serve

South Bay beach cities, the Palos Verdes Peninsula, Torrance, and nearby inland cities. Share your ZIP so we can confirm coverage.

Request an estimate