Sewer Line Replacement and Trenchless Repair in Riverside

Which part of the sewer pipe is yours in Riverside?

Every drain in the house empties into one pipe, the sewer lateral, which runs under the yard to the public main in the street. City of Riverside Public Works splits ownership at the property line. The homeowner owns and maintains the upper lateral from the house to the property line, including the cleanout. The city owns the lower lateral from the property line to the main, but its policy limits that to laterals where a cleanout has been installed at the property line. If your house has no property-line cleanout, the city's brochure says the owner must have one installed.

When a line backs up, clearing it is the homeowner's job. If the plumber who clears it finds that the problem is on the city's side, the city asks you to report it through the 3-1-1 Call Center or the Public Works Wastewater Division at (951) 351-6280, and staff may ask for the plumber's report. Keep any camera video and written findings for that reason.

The rules are not identical across the region. San Bernardino Municipal Water Department, for example, maintains the main in the street while the property owner maintains the lateral. In Moreno Valley and Perris, sewer service comes mainly from Eastern Municipal Water District, and in Eastvale it comes from Jurupa Community Services District. Ask your own sewer agency where its responsibility starts before you pay for work near the street.

Repair one spot, or replace the whole run?

The answer comes from a camera inspection of the lateral, not from how bad the last backup was. A single cracked joint or one root intrusion point near the house is a repair. Trouble spread along the length of the line points toward replacement.

Riverside's median home was built around 1976, and older neighborhoods have even older pipe in the ground. Laterals of that age are often clay or cast iron, the materials most prone to root entry and corrosion. If the camera shows one localized problem, fixing a section of sewer line is the sensible call.

How do the trenchless methods work?

Pipe bursting

A cone-shaped bursting head is pulled through the old lateral, breaking it apart and pushing the fragments into the surrounding soil while new plastic pipe follows behind it. The crew digs a pit at each end instead of a trench along the whole route. It replaces the pipe entirely and can even increase its size, but it needs room for the pits and it follows the existing path, sags included.

Cured-in-place lining (CIPP)

The lateral is cleaned, often by high-pressure water jetting, then a resin-soaked liner is inserted and cured so it hardens into a new pipe inside the old one. Access is often through an existing cleanout. Lining slightly reduces the inside diameter and needs a host pipe that still holds its shape.

Open trench

The old pipe is dug out and new pipe is laid at the right slope. It is the only fix for a belly and works on nearly any line, but whatever sits on top of the route has to come up and go back.

What does sewer line replacement cost?

Angi's national cost guides give the following ranges. Neither page dates its prices, and local Inland Empire quotes can land outside them.

The per-foot price is only part of the bill. The things that move a Riverside quote most are the length and depth of the lateral, what is built over it, how many access pits are needed, and whether a cleanout must be added at the property line. A trench under a stamped concrete driveway can cost more to restore than the pipe work itself, which is often where trenchless pays for itself. For a broader look at plumbing prices in the area, see what plumbers charge in Riverside.

When is trenchless the wrong choice?

• A belly in the line. Bursting and lining follow the existing path, so a sag stays a sag and keeps collecting waste.
• A full collapse. If nothing can pass through the pipe, the collapsed section usually has to be dug up first.
• Pipe under the house slab. Most Inland Empire homes are slab-on-grade. Drain lines inside the footprint raise different questions than the yard lateral, and a leak there shares symptoms with a water line leaking under the slab.
• Short runs with open access. If the lateral runs a short distance under bare soil, a trench may cost less than trenchless setup.

Why roots are a common culprit here

Riverside grew up around citrus groves, and many older lots still have mature trees close to the sewer route. City Public Works notes that roots look for moisture and nutrients and get in through cracks, failed joints and poorly installed pipe. In a region with long, hot, dry summers, a leaking sewer joint is one of the wettest spots in the yard. The city advises planting trees and shrubs a safe distance from the lateral. Root cutting or jetting can restore flow, but if roots return at the same joints year after year, the pipe itself is the problem.

Permits and paperwork

City of Riverside Building & Safety issues plumbing permits, and the Permit Counter is at (951) 826-5800, with an online Public Permit Portal. Other cities handle permits through their own building departments. Ask each contractor whether the job needs a permit and who pulls it, and get that answer in writing on the bid.

How to compare bids

Riverside Public Works offers some practical advice in its sewer brochure, and it applies well to a job this size:

1. Get more than one bid and make sure each covers the same scope.
2. Ask for a flat, fixed price so you know the total.
3. Ask what the guarantee covers and get it written on the quote.
4. Keep copies of every quote, invoice and inspection report.
5. Check references.

Also ask each bidder which method they propose and why, whether the price includes a new property-line cleanout, what surface restoration is included, and whether they will run a camera through the finished line and give you the video. You can find local help through the Riverside sewer replacement page, or by town, such as sewer replacement in Moreno Valley, camera work in Eastvale and lateral repair in San Bernardino.

After the new line goes in

A new lateral can fail the same way the old one did if it is treated the same way. The city asks residents to keep fats, oils and grease out of drains and put them in the trash, to keep wipes, diapers and hygiene products out of toilets, and to avoid pouring harsh chemicals down drains. If the kitchen line still drains slowly after the lateral is replaced, the problem is probably in the branch line inside the house. Our guide to jetting versus snaking a drain explains which cleaning method fits.