Every drain backing up at once?

Sewer Line Repair & ReplacementServing Ventura County, the Conejo Valley & the San Fernando Valley

Roots, bellies, and broken clay or cast iron pipe don’t fix themselves. Best Coast Plumbing runs a camera down the line first, shows you exactly what’s wrong, then repairs or replaces it, using trenchless methods where conditions allow to minimize disruption to your yard and hardscape.

5.0 rating on Google & Yelp
Call (805) 410-9197 Get a FREE Estimate
Camera Inspection First Licensed & Bonded · #1127602 Trenchless Options Free Estimates
Best Coast Plumbing sewer line equipment on a job site
Trenchless Sewer Replacement
Camera-Verified · Yard-Friendly
Best Coast Plumbing BBB Accredited Business BBB Accredited Click for profile
CA Licensed & Bonded Lic. #1127602 · Insured
24/7
24/7 Emergency Sewer backups handled day or night
Google Yelp 5.0 Star Average Verified customer reviews
Straight Answers First

Repair, Line, or Replace: What Does Your Sewer Actually Need?

It depends on what the camera finds. A single cracked section or root intrusion usually takes a spot repair. A line that’s failing along its length is a candidate for trenchless pipe lining or pipe bursting, and open-trench replacement is recommended when access, grade, utility conflicts, or the pipe’s condition call for it. We inspect first, then you choose.

A lot of older homes in Ventura and Los Angeles County still drain through clay, cast iron, or Orangeburg piping installed decades ago. Tree roots find the joints, sections crack or develop bellies where waste settles, and eventually every fixture in the house starts acting up at once. That’s the point where cabling the drain again stops working and you’re looking at main drain repair, not another clearing.

Every sewer job starts with a camera inspection, and you watch the footage with us, so you see the roots, the crack, or the belly yourself before anyone talks price. From there we quote the honest fix flat-rate, favor trenchless methods that spare your yard and driveway, and, when permitting is included in the approved scope, coordinate the permit, inspections, and the city tie-in. All work is performed under our California C-36 plumbing contractor’s license (CSLB #1127602).

Content reviewed by a C-36 licensed plumbing contractor · CA Lic. #1127602 · Updated August 2026
Signs your sewer line is failing
Sewage smells inside or around the house
Multiple slow drains at the same time
Gurgling toilets when other fixtures drain
Soggy or extra-green patches in the yard
Backups whenever the laundry runs
Older home with clay, cast iron, or Orangeburg pipe
This Service at a Glance
Response
Same-day camera inspections · 24/7 for backups
Typical Duration
Spot repairs 1 day · Trenchless 1–2 days
Methods We Use
Spot repair, pipe lining, pipe bursting & open-trench
Permits & Tie-In
Permits & tie-in coordinated when in scope
Estimates
Free onsite estimates (standard hours)
Book Your Free Estimate

What’s Included

From the first camera pass to the finished line, one team handles the job, under our California C-36 license.

Diagnosis & Repair
Sewer camera inspection, with footage recorded when conditions allow
Line locating & depth marking before any dig
Root cutting & hydrojetting of the sewer lateral
Spot repairs of cracked or offset sections
Belly & grade corrections in the line
Cleanout installation for easier future access
Post-repair camera verification of the fix
Replacement Options
Trenchless pipe lining (cured-in-place pipe)
Pipe bursting for full drain line replacement
Open-trench replacement when conditions call for it
Clay, cast iron & Orangeburg replacement using modern approved piping materials
Permit & city tie-in coordination when included in the approved scope
Driveway, hardscape & landscaping protection plan
Backfill, compaction & site cleanup when we’re done

What to Expect

Four steps from “something’s wrong down there” to a line that flows like new.

1
Camera inspection first
We camera the line as far as access and conditions allow, and you watch the screen with us. Roots, cracks, bellies, or collapsed pipe: you see the problem yourself.
2
Options & flat-rate quote
A professional plumbing technician walks you through the available repair and replacement options, including spot repair, trenchless lining, pipe bursting, and open-trench replacement, with an exact price for each before any work starts.
3
Prep, then the work
We mark utilities and do the repair or replacement, protecting your driveway and landscaping, with permits and the city tie-in coordinated when they’re part of the approved scope.
4
Verify, inspect & clean up
A final camera pass confirms the fix, any required city inspection is coordinated, and the site is backfilled and cleaned before we leave.
24/7
Sewage backing up into the house?
Stop running water, keep everyone away from the affected drains, and call us for emergency availability.
Call (805) 410-9197
Why Best Coast

Why Homeowners Trust Us With the Main Line

You see the problem before you pay
Quotes start from what the camera actually finds, no scare tactics, no guessing what’s underground. Standing water, offsets, or collapsed pipe can limit how far we can see, and we tell you when they do.
Permits coordinated when in scope
Permit and inspection requirements vary by project and jurisdiction. When permitting is included in the approved scope, we coordinate the permit, inspections, and the connection at the city main.
Trenchless first, dig only when needed
Pipe lining and pipe bursting minimize disruption to yards, driveways, and mature landscaping; open-trench replacement is recommended when access, grade, utility conflicts, or the pipe’s condition call for it.
Flat-rate pricing, verified on camera
You approve an exact price before any digging or lining, and a final camera pass proves the fix before we call the job done.
Get a FREE Estimate
Every job is backed by our Done-Right Guarantee.

Sewer & Drainage Jobs, Reviewed

Real sewer and drainage calls, straight from our Google and Yelp pages.

“Very professional, on time and very communicative. My project was quite extensive replacing waste and supply lines and we will use Best Coast exclusively in the future.”
Nancy B. Reviewed on Google
“Brendan and Brandon went above and beyond our expectations. They discovered a sewage leak under the house and handled it. He was knowledgeable and down to earth.”
Dawn F. Reviewed on Yelp
“We had a significant drainage issue in our backyard. Brendan gave us a few options that ranged from full replacement to spot repairs. His quotes were very detailed and he went through all the options with us.”
Stephane R. Reviewed on Google

Related Plumbing Services

Sewer trouble rarely travels alone, the same crew handles the rest of the system too.

Drain Cleaning & Hydrojetting
If the camera shows the line is sound, a thorough hydrojetting often clears the problem for a lot less.
Learn more →
Water Line Repair & Repiping
Homes with failing clay sewer often have aging supply pipe of the same era, we can assess both in one trip.
Learn more →
Emergency Plumbing
Sewage coming up the tub drain at midnight? 24/7 emergency response, with a real person answering day or night.
Learn more →
Sewer line service near you:
Thousand Oaks Westlake Village Newbury Park Simi Valley Camarillo Woodland Hills Calabasas
All service areas →

Sewer Line FAQs

Quick answers to what homeowners ask us most about sewer lines.

It depends on whether the line needs a spot repair or a full replacement, how deep it sits, and how much access we have. A camera inspection comes first, so the flat-rate quote reflects what the line actually looks like, and you approve the exact price before any lining or digging starts.
Still have a question? Call (805) 410-9197, we’re happy to help.

Get a Free Estimate

Book your free onsite estimate online in about a minute, or call and a real person picks up. We answer 24/7.

Get a FREE Estimate Call (805) 410-9197
Free, no-obligation estimates Financing available on approved credit Upfront flat-rate pricing Licensed & Bonded · #1127602
Brendan Lee, founder of Best Coast Plumbing, smiling in his branded uniform
Brendan Lee, Founder
Best Coast Plumbing

Ready to fix the line for good?

Call now to schedule a camera inspection, or request your free estimate online. No pressure, no hassle. Just the Best.

Call (805) 410-9197 Get a FREE Estimate
(805) 410-9197Get a FREE Estimate
Call NowFree Estimate