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Sewer line installation contractors in Las Vegas, NV

Sanitary sewer laterals, main extensions, and manhole installation for commercial and residential sites across the Las Vegas Valley. Tell us about your project and we'll match you with a vetted, licensed local sewer contractor — free.

Sewer Laterals Main Line Extensions Manhole Installation Video Inspection & Testing Agency Coordination

What's included in sewer line installation

Sewer scopes range from a single lateral connecting one property to the public main, to full sewer main extensions serving a new subdivision or commercial development. Contractors we match you with typically handle:

  • Sanitary sewer main and lateral installation
  • Manhole setting and structure connections
  • Trenching to design depth, pipe bedding, and compacted backfill
  • Video (CCTV) and mandrel testing before agency acceptance
  • Coordination with the governing sewer authority on design standards and inspections
  • Tie-ins to existing public sewer infrastructure

Sewer authorities in the Las Vegas Valley

Which agency governs your sewer connection depends on your property's location. Much of the Valley is served by the Clark County Water Reclamation District, while the City of Henderson and City of North Las Vegas operate their own utility departments in their respective jurisdictions. A contractor experienced across these agencies can help you avoid delays caused by design standards that vary between them. See our permitting overview for more on how jurisdiction affects your project.

Why sewer is usually the first utility installed

Sanitary sewer typically relies on gravity flow, so its depth and slope requirements often drive the layout of everything installed after it. That's why sewer is commonly excavated and installed before water and storm drain lines on a site — getting the sewer design right early avoids costly conflicts later in the utility installation sequence.

When you need a sewer line contractor

  • You're developing a new parcel that isn't yet connected to public sewer
  • An existing lateral needs to be replaced, upsized, or rerouted
  • Your subdivision or commercial site plan requires new sewer main extensions
  • You're converting a property from septic to public sewer service

Need water, storm drain, or grading too? See our full site development page for combined packages, or browse our other service pages.

Frequently asked questions

Who owns and maintains the sewer system in the Las Vegas Valley?

It depends on location. Much of the Valley is served by the Clark County Water Reclamation District, while some cities operate their own sewer utility. Your contractor will confirm which agency has jurisdiction over your parcel before design and permitting.

What's the difference between a sewer lateral and a sewer main?

A lateral is the private line connecting a single property to the public sewer main. A main is the larger public line that collects flow from multiple properties and is typically owned and maintained by the local sewer authority once accepted.

Why is sewer usually installed before water and storm drain?

Sanitary sewer generally relies on gravity flow and is often the deepest utility on site, so its elevation and layout are typically established first, with other utilities installed relative to it.

Does a new sewer line need to be inspected before it's accepted?

Yes. New sewer lines that will be dedicated to a public agency typically require testing (such as video inspection) and formal acceptance from that agency before the project can move forward.

Is Vegas Utilities a sewer contractor?

No. Vegas Utilities is a free matching service. We connect you with independent, licensed sewer contractors in our vetted partner network — the contract and work are between you and the contractor.

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