How Much Does a New Sewer Line Cost?

June 2, 2025

When it comes to maintaining a healthy home, your sewer line plays a critical role. Unfortunately, sewer lines don't last forever, and when problems arise, you may face the need for a replacement. But how much does a new sewer line cost? Let’s break it down so you can better prepare and see how Mike’s Plumbing and Rooter Service can make the process smooth and affordable.

Key Takeaways

  • A new sewer line can cost anywhere from $3,000 to $15,000, depending on various factors.
  • Main sewer line clearing is much cheaper, typically costing between $150 and $500.
  • In-house sewer pipe replacements usually cost $1,000 to $5,000.
  • Mike’s Plumbing offers transparent pricing, fast service, and skilled plumbers.
  • Choosing the right plumber can save you time, money, and significant headaches.

How much does a new sewer line cost?

The cost of installing a new sewer line can vary widely based on several factors. On average, homeowners typically pay between $3,000 and $7,000 for a full replacement. However, depending on the complexity of the job, prices can soar upwards of $15,000 or more.


Here are some factors that influence the cost:

  • Length of the Line: Longer distances mean more materials and labor.
  • Depth and Accessibility: Deeper lines require more excavation.
  • Type of Pipe Material: PVC, cast iron, and ABS pipes vary in price.
  • Permits and Inspections: Local regulations may add to the cost.
  • Labor Costs: Skilled, licensed plumbers (like those at Mike's Plumbing!) ensure quality but may cost slightly more, and it's worth every penny.
  • Obstructions: Roots, existing utilities, or hardscaping like driveways can complicate and raise the cost.


Modern techniques like trenchless sewer repair can reduce costs by eliminating the need for full excavation, saving both time and money.

How much does it cost to drain a main sewer line?

Many homeowners first attempt to drain or clear a sewer line before replacing it. Clogged main sewer lines can be a hassle, but clearing them is usually much cheaper than a full replacement.


The average cost to drain (or clear) a main sewer line ranges between $150 and $500, depending on:

  • Severity of the Clog: Tougher clogs (like tree roots) are more expensive.
  • Type of Cleaning: Hydro jetting vs. snaking.
  • Accessibility: Easy-to-reach cleanouts lower the cost.
  • Emergency Services: After-hours or weekend work may cost extra.


Mike’s Plumbing and Rooter Service offers emergency sewer line cleaning services to quickly get your home back to normal without breaking the bank.

How much does it cost to replace sewer lines in a house?

Replacing sewer lines within your house, rather than the exterior line to the street, also comes with costs. Typically, in-house sewer line replacement costs range from $1,000 to $5,000, depending on:

  • Length of Pipe Replaced: A simple 10-foot section is cheaper than a full house re-pipe.
  • Flooring Type: Removing and replacing flooring can add costs.
  • Access to Pipes: Pipes embedded in concrete are pricier to replace.
  • Materials Used: PEX piping, for example, is cheaper than copper.


If you notice foul odors, slow sewer and drain, or water damage inside your home, it could be a sign that interior sewer line replacement is needed. Mike’s Plumbing can inspect your system with state-of-the-art technology to pinpoint issues fast.

How much does plumbing service cost?

General plumbing services vary widely depending on the job. Here's a quick breakdown of typical costs:

  • Inspection/Diagnosis: $75–$250
  • Drain Cleaning: $100–$500
  • Leak Repair: $150–$350
  • Water Heater Repair: $150–$700
  • Pipe Repair/Replacement: $500–$2,000

Mike's Plumbing and Rooter Service offers competitive, upfront pricing with no hidden fees. Plus, with experienced plumbers and modern equipment, you get real value for your money.

How much does a plumber charge to fix a pipe?

Fixing a broken pipe can cost anywhere between $150 and $850, depending on:

  • Location of the Pipe: Pipes inside walls are more complex (and more costly) to access.
  • Extent of the Damage: A small crack is cheaper to fix than a burst pipe flooding your basement.
  • Materials Needed: Replacement materials can impact the final bill.
  • Emergency Calls: Night, weekend, or holiday repairs are usually more expensive.


At Mike’s Plumbing, we understand emergencies don’t follow a 9-to-5 schedule. That's why we offer fast, reliable service 24/7 — and we don’t believe in charging outrageous fees when you need help most.

How Mike's Plumbing and Rooter Service Can Help You

Choosing the right plumbing company can make all the difference when facing sewer line issues. Mike's Plumbing and Rooter Service has earned a reputation across Southern California for dependable, high-quality service.


Whether you need a simple drain clearing, pipe replacement, or full sewer line installation, our team is ready with:

  • Advanced diagnostic tools (like sewer camera inspections)
  • Modern repair methods (including trenchless technology)
  • Licensed, bonded, and insured plumbers
  • Honest pricing with free estimates


Why You Should Choose Mike's Plumbing and Rooter Service

Here’s why homeowners and businesses trust Mike’s Plumbing and Rooter Service:

  • Experience Matters: With decades of hands-on expertise, no sewer problem is too big or too small.
  • Local Knowledge: We understand California’s plumbing codes, soil conditions, and city permit processes.
  • Top-Notch Customer Service: We believe in clear communication, honest advice, and treating your home like it’s our own.
  • Fast Response: We know plumbing issues can't wait — that's why we offer rapid response times and emergency service.
  • Affordable Options: Financing and payment plans are available to ease the burden of big repairs.


Mike's Plumbing and Rooter Service is your go-to team when you need peace of mind with your sewer line project.

Conclusion

Replacing a sewer line is a significant but sometimes necessary investment in your home’s health and functionality. With costs ranging from a few hundred dollars for clearing a clog to over $15,000 for a full replacement, understanding your options and the factors that affect pricing is essential. 


Whether it’s clearing a main line, replacing indoor piping, or handling a full trenchless installation, Mike’s Plumbing and Rooter Service offers transparent pricing, expert diagnostics, and fast, professional service. 


When you choose Mike’s, you’re not just hiring a plumber—you’re gaining a trusted partner committed to quality, affordability, and peace of mind. Reach out today for your free estimate and let us take the stress out of your sewer line concerns.

Frequently Asked Questions

  • How do I know if my sewer line needs replacing?

    Frequent backups, soggy yards, foul smells, and slow drains often indicate serious sewer line issues.

  • Is trenchless sewer line replacement cheaper?

    Often, yes! Trenchless methods can cut labor and restoration costs, making them a cost-effective option.

  • How long does it take to replace a sewer line?

    Depending on the method and job complexity, it can take from one day to a week.

  • Can homeowners insurance cover sewer line replacement?

    Some policies cover damage from unexpected events but typically exclude wear and tear. Always check your policy!

  • How can I get a free estimate from Mike’s Plumbing?

    Just call or visit Mike’s Plumbing and Rooter Service to schedule your free estimate today.

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