Sewer Line Repair and Replacement Cost in Los Angeles: 2026 Guide
What sewer line repair and replacement typically cost in Los Angeles in 2026, who pays for the lateral under the street, the permits involved, and the LA Sanitation rebates. Typical ranges with sources, not a quote.
The short answer
Sewer prices spread widely because the same symptom, a backed-up main line, can mean a one-section fix or a new pipe from the house to the street. Our typical Los Angeles ranges are $1,500 to $5,000 for a camera-located spot repair and $5,000 to $15,000 for most full lateral replacements in the Valley, with deep lines or street cuts above that. Published cost guides quote lower averages. The table puts them side by side so you can see the spread.
| Source | What it covers | Typical range |
|---|---|---|
| Angi, Los Angeles cost guide | Sewer line replacement in Los Angeles | $1,551 to $6,631 (average about $4,091) |
| Angi, Los Angeles cost guide | Replacement per linear foot, by pipe material | $150 to $300 per foot |
| This Old House (national) | Sewer line replacement | $1,390 to $5,320 (average $3,320) |
| This Old House (national) | Per linear foot, excavation vs. trenchless | $50 to $200 dug; $60 to $250 trenchless |
| Last Drop sewer page | Camera-located spot repair of one failed section | $1,500 to $5,000 |
| Last Drop sewer page | Full lateral replacement, most Valley homes | $5,000 to $15,000 |
| Last Drop trenchless page | Full-line trenchless repair (lining or pipe bursting) | $3,500 to $15,000 |
Typical ranges only, not quotes. Per-foot prices from different sources measure different things. We camera the line first and give a written flat-rate quote before any work.
Your sewer lateral is your responsibility, all the way to the main
The pipe that carries wastewater from your house to the public sewer is called the house connection or lateral. In the City of Los Angeles the city owns the mainline sewer in the street, but the lateral is the property owner's responsibility. The Bureau of Engineering states that, under long-standing city policy, the property owner is responsible for repairing and maintaining the lateral from the property line to the connection at the mainline sewer, and that laterals blocked by tree roots are the owner's responsibility whether the roots are on private property or in the public right-of-way.
That matters for cost. If the camera finds the break under the sidewalk or the street, the repair is still yours to pay for, and work in the public right-of-way comes with its own permit and contractor requirements.
Permits: private property vs. the street
Work on your side of the property line is permitted and inspected like other plumbing work. Work in the public right-of-way is different. The Bureau of Engineering issues "S" permits for building, altering, or repairing house connection sewers. If any of the work is in the public right-of-way, a Bonded Sewer Contractor must obtain the permit and carry the required licenses, insurance, and bonds, and the Bureau of Contract Administration inspects that work.
When you compare quotes for a repair that reaches the street, ask who will pull the S permit, and ask the contractor to show its current City of Los Angeles Bonded Sewer Contractor approval. Street cuts are one reason repairs that reach the street land at the top of the ranges above.
What moves the price
These are the factors that separate a $2,000 sewer repair from a $15,000 one:
- The diagnosis. A sewer camera inspection shows what is wrong and where. This Old House puts camera inspections at $100 to $500 nationally.
- Spot repair or whole line. One cracked or root-bound section can be fixed on its own. Failed joints along the whole run usually mean replacement or lining.
- Depth and length. Deeper pipe means a bigger excavation, and every extra foot of line adds material and labor.
- What sits on top. Lawn is cheap to restore. A driveway, a patio, or a mature tree is not.
- Method. Digging is often cheaper per foot, while trenchless methods cost more per foot but can avoid tearing up hardscape. This Old House lists $50 to $200 per foot for excavation and $60 to $250 for trenchless.
- Permits. This Old House puts permit costs at $100 to $1,000 depending on location, and work in the street adds the City's S permit requirements.
- Extras. A two-way cleanout for future access, hydro jetting before lining, and a camera pass after the repair.
Spot repair, replacement, or trenchless
The camera footage decides the method. A single failed section in an otherwise sound line calls for a spot repair. Roots and failed joints along the whole run call for full replacement or a trenchless liner. Pipe bursting pulls a new pipe through the old one when the old pipe is too broken to line.
One limit is worth knowing before you get quotes: trenchless methods follow the existing pipe, so neither lining nor bursting can fix a belly, which is a sag that holds standing water. A belly has to be dug up and re-laid at the correct slope. If a quote offers lining for a line with a belly, ask how the sag will be corrected.
LA Sanitation rebates for lateral work
LA Sanitation (LASAN) has offered two rebates for sewer lateral work in the City of Los Angeles: up to $300 for a CCTV (camera) inspection of the lateral, and up to $2,500 for a lateral repair, in both cases done by a licensed and bonded sewer contractor.
- For the repair rebate, the final permit must be signed off by the City inspector no more than 60 days before you complete the rebate application.
- For the CCTV rebate, the camera work must be no more than 6 months old when you complete the application.
- Both rebates ask for a copy of your most recent DWP bill, your parcel number (APN) from your property tax bill, and an IRS W-9 form.
- Rebates are first-come, first-served until the year's funding runs out.
Program details can change, so check the current terms on the LASAN website before you count on a rebate.
If sewage is backing up right now
Stop running water in the house. Every flush or drain sends more water toward the blockage and back up through the lowest drain. If the overflow is coming from a manhole or the sewer in the street, report it to LA Sanitation's 24-hour Customer Care Center at 1-800-773-2489. If it is coming up inside your home, call a plumber. We answer 818-292-3330 live, 24/7.
How to compare sewer quotes
Sewer quotes are hard to compare because each contractor may propose a different fix. These questions put them on the same footing:
- Can I have the camera footage, with the location and depth of each defect marked? It is your evidence, whoever you hire.
- Is the price flat and in writing, with the method, the length of pipe, and the restoration (concrete, landscaping) spelled out?
- Is the contractor licensed? Search the license number on the CSLB website. For work in the street, ask the contractor to show its current City of Los Angeles Bonded Sewer Contractor approval.
- How much is due upfront? For home improvement contracts, California caps the down payment at $1,000 or 10 percent of the contract price, whichever is less.
- Will there be a camera pass after the repair so I can see the finished pipe?
Getting a quote in the San Fernando Valley
Last Drop Plumbing & Rooter is a licensed C-36 plumbing contractor (CSLB #1120613) based in Reseda. We camera the line before we quote, the footage is yours to keep, and we answer 818-292-3330 live, 24/7. The prices on this page are typical ranges, not a quote for your home.
Frequently asked questions
- Why do sewer repair quotes vary so much from one contractor to the next?
- Because they often price different fixes. One contractor may quote a spot repair of one failed section, another a full lateral replacement or a trenchless liner, and depth, length, what sits above the pipe, and whether the damage reaches the street move the price further. Published guides put the Los Angeles average around $4,091 (Angi) and the national average around $3,320 (This Old House). Our typical ranges are $1,500 to $5,000 for a camera-located spot repair and $5,000 to $15,000 for most full lateral replacements in the Valley. Ask each contractor for a written quote based on a camera inspection, so every bid prices the same problem.
- Who pays when the break is under the street?
- If the break is in your lateral, the property owner pays, even under the sidewalk or the street. The Bureau of Engineering states that, under city policy, the property owner is responsible for the lateral from the property line to the connection at the mainline sewer, including root blockages in the public right-of-way. The city maintains the mainline itself. Work in the right-of-way also needs an S permit that a Bonded Sewer Contractor must obtain, and street cuts are one reason those repairs land at the top of the price ranges above.
- Does Los Angeles offer a rebate for sewer lateral repair?
- LA Sanitation has offered up to $2,500 for a lateral repair and up to $300 for a lateral camera inspection by a licensed and bonded sewer contractor, with deadlines tied to the final permit and inspection dates. Rebates are first-come, first-served. Check the current terms on the LASAN website before you rely on it.
- Is trenchless sewer repair cheaper than digging?
- Per foot, usually not. This Old House lists $50 to $200 per foot for excavation and $60 to $250 for trenchless. Trenchless can cost less in total when the line runs under a driveway, hardscape, or mature landscaping that would otherwise have to be torn out and restored. It cannot fix a belly in the line.
Related services
Sources
- Angi: How much does sewer line replacement cost in Los Angeles, CA?
- This Old House: How much does sewer line replacement cost? (updated March 30, 2026)
- LA Bureau of Engineering: S permit purpose and definition
- LA Sanitation: Sewer Lateral Repair Rebate
- LA Sanitation: Sewer Lateral CCTV Rebate
- LA Sanitation: Managing and protecting LA's underground sewer system
- CSLB: Learn about home improvement contracts
- CSLB: Check a license
Sources checked October 23, 2026. Prices are typical ranges, not quotes, and program terms can change.