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Mainline Plumbing
Total Pipe Replacement. Zero Excavation.

Non-Invasive Trenchless Technology

Total Pipe Replacement. Zero Excavation.

Property-Friendly Plumber™|18++ Years Experience
Property-Friendly Plumber™

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Limited-Time Special·Valid through Aug 8, 2026
Trenchless Pipe Bursting Special

Trenchless Pipe Bursting — Special Pricing

Full sewer line replacement without digging up your yard.

Contact for pricing

Pipe bursting replaces a failed sewer line by pulling new, jointless HDPE through the old pipe path while a bursting head fractures the damaged pipe outward. It usually needs only a launch pit and receiving pit, making it ideal for South Bay homes with finished driveways, mature trees, patios, or difficult hillside access.

Pipe bursting vs. CIPP lining

OptionTypical South Bay costExpected lifeBest fit
Pipe bursting$100–$300 per ft; about $6,500–$22,00050+ yearsFull replacement when the old line is collapsed, badly offset, undersized, or structurally unreliable
CIPP lining$80–$250 per ft; about $4,500–$15,00050+ yearsRehabilitation when the existing pipe retains a usable shape and grade

Ranges reflect typical South Bay residential laterals and are not quotes. Camera condition, diameter, length, depth, bends, branch connections, access, and permits determine method and final price.

About This Service

We replace collapsed lines by seamlessly pulling a high-density polyethylene (HDPE) pipe through the existing cavity, eliminating the need for destructive trenching.

Pipe bursting is the only trenchless method that actually replaces your sewer line. A hydraulic bursting head is pulled through the existing pipe on a steel cable, fracturing the old pipe outward into the surrounding soil while simultaneously pulling a new HDPE (high-density polyethylene) pipe into the same path. The result is a brand-new, fully fused, jointless pipe with a 50+ year expected service life — installed in a single day through two small access pits.

Mainline Plumbing pipe bursting equipment at a South Bay job site — HDPE pipe being pulled through the existing line
Real job · South Bay

A real Mainline pipe bursting job in the South Bay — new HDPE line being pulled through the failed clay original.

Here's why that matters versus the old way of replacing a sewer line. Traditional "dig and replace" means excavating an open trench along the entire run of pipe — often 40 to 100 feet across your yard, under your driveway, and past mature trees — hauling out the broken pipe, laying new pipe, backfilling, and then paying to rebuild everything you tore up: concrete, landscaping, irrigation, hardscape. Pipe bursting reaches the same end result — a completely new pipe — without any of that. We destroy the old pipe in place and thread the new one through the exact same underground path, so the ground between the two access pits is never opened.

Mainline Plumbing technician working in a compact launch pit at the sewer cleanout during a South Bay trenchless pipe bursting job
Real job · South Bay

Two small pits, not a trench

  • Compact launch pit
  • Set at the cleanout
  • No open trench

The entire operation runs from two small pits like this one at the cleanout. Everything between them stays buried and untouched while the new line is pulled through.

We recommend pipe bursting when the host pipe is past the point of lining. Collapsed sections, severely offset joints, undersized original lines (many pre-1970 South Bay homes have 4-inch clay laterals that benefit from an upsize to 6-inch), and lines destroyed by decades of root intrusion are all prime pipe bursting candidates. Because HDPE is fusion-welded into a continuous length before installation, there are no joints for roots to exploit — the new line is effectively root-proof for its entire lifespan. When a pipe is too far gone to reline but you still want to avoid an open trench, bursting is the method that makes that possible.

Hydraulic pulling rig and bursting head set in the access pit during a Mainline Plumbing trenchless pipe bursting sewer replacement in the South Bay
Real job · South Bay

The bursting head does the work underground

  • Hydraulic pulling rig
  • Bursting head + HDPE
  • Same-day replacement

A hydraulic rig pulls the bursting head through the old line on a cable. The head fractures the failed pipe outward and drags the new HDPE in behind it — all below grade.

A typical residential pipe bursting job runs one day from start to finish, assuming permits are already pulled. We excavate two access pits — usually about 4' × 4', one at the house cleanout and one near the city main at the curb — and the HDPE is pulled through the existing pipe path between them. Your lawn, driveway, mature trees, walkways, and hardscape stay completely intact. A final camera pass confirms full flow, the access pits are backfilled, and you're done.

The Property-Friendly Difference: 18+ Years of Subterranean Infrastructure Mastery in the South Bay. Fully Licensed, Bonded, Insured, and Factory-Certified.

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Year HDPE Lifespan
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Typical Installation
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Trenches Dug

Step by Step

How It Works

1

Video Inspection

We deploy a high-definition camera to assess the full extent of pipe damage before any work begins.

2

Access Point Excavation

Two small access pits are dug — one at each end of the damaged line. No lawn destruction, no concrete demolition.

3

HDPE Pipe Pull-Through

A hydraulic bursting head fractures the old pipe outward while simultaneously pulling the new HDPE line into place.

4

Verification & Restoration

A final camera pass confirms full flow capacity. Access pits are backfilled and the surface is restored.

The Difference

Traditional vs. Property-Friendly

Traditional Method
  • Destructive excavation of your property
  • Days or weeks of disruption
  • Expensive landscape restoration
  • Mess and debris left behind
Property-Friendly Method
  • Minimal to no excavation needed
  • Completed in hours, not days
  • Your landscaping stays intact
  • Clean, professional worksite

Where We Serve

Total Pipe Replacement. Zero Excavation in the South Bay

We provide total pipe replacement. zero excavation services across the South Bay of Los Angeles and surrounding communities.

Torrance
Redondo Beach
Hermosa Beach
Manhattan Beach
El Segundo
Hawthorne
Gardena
Carson
Lomita
Rolling Hills Estates
Palos Verdes
San Pedro
Lawndale
Inglewood
Culver City
Long Beach

Common Questions

Frequently Asked Questions

SERVICE AREA

Total Pipe Replacement. Zero Excavation Across the South Bay

We provide total pipe replacement. zero excavation to every neighborhood in these South Bay cities.

Ready to Get Started?

Our Property-Friendly technicians specialize in total pipe replacement. zero excavation. Call now or dispatch online.