
Sewer Backup Cleanup in Friendswood, TX
When storm surcharge or a mainline clog pushes sewage into your home, we clear the line, extract the contamination, sanitize the space, and document for insurance.
A sewer backup is one of the most alarming plumbing failures a homeowner can face. Contaminated water pushing up through a floor drain, tub, or toilet is a Category 3 (black water) event under IICRC standards — which means every affected surface needs professional decontamination, and porous materials like carpet and pad usually need replacement. We do both sides: clear the sewer blockage, and sanitize what the backup touched.
In Friendswood, sewer backups spike during heavy rain events when the city's combined-stormwater drainage system can surcharge into private sewer laterals. Older homes without backflow preventers are especially vulnerable. We install backflow devices, we clear roots and grease from your lateral, we camera-inspect for structural damage, and we coordinate the sanitization from start to finish.
Signs of a sewer backup
- Sewage coming up through a floor drain
- Toilet overflowing without a fixture clog
- Water backing up in a tub when someone flushes
- Multiple fixtures gurgling or draining slow at once
- Sewage smell in the yard over the sewer line
- Standing water around an outdoor cleanout after rain
- Backup happens whenever it rains heavily in Friendswood
- Sewage odor coming from a basement or crawlspace

Our Process
The same steps on every job — from a $189 drain clear to a $9,000 whole-house repipe.
- 1
Clear the Line
Cable or hydro-jet the mainline to remove the immediate blockage, then camera-inspect for root or structural cause.
- 2
Contain
Set up containment barriers to keep contamination from spreading beyond the affected zone.
- 3
Extract
Vacuum extraction of sewage water with proper Category 3 PPE and disposal.
- 4
Remove & Sanitize
Carpet, pad, drywall, and porous materials contacted by sewage are removed. Remaining surfaces sanitized with EPA-registered antimicrobial.
- 5
Dry-Down
Commercial air movers and dehumidifiers stay on-site until moisture normalizes.
- 6
Prevent Recurrence
Install a backflow preventer, spot-repair a broken lateral, or trenchless-line the entire run — we quote the fix that matches the cause.
Your Sewer Backups Appointment, Step by Step
Before we arrive
A licensed dispatcher confirms your address, describes what our tech will do first, and gives you a firm arrival window. For emergencies inside 77546 we hold a 45-minute promise; scheduled sewer backups visits get a 2-hour window.
On the truck
Your assigned Master Plumber arrives in a branded vehicle stocked with common sewer backups parts — Delta, Moen, Kohler, Rheem, Bradford White, Uponor PEX-A — so most jobs finish in one visit without a supply-house trip.
Before work starts
You get a written flat-rate price in your hand covering labor, materials, permits (when required by the City of Friendswood), warranty terms, and cleanup responsibility. You approve in writing before we lift a wrench.
What We Service
What Affects Your Price
We don't publish fake prices to trick you into calling. We do publish the honest factors that drive real cost — so when we hand you a written quote, you know why.
Backup severity
A toilet-only overflow is a very different job than a whole-basement Category 3 event.
Root cause repair
Clearing the line is one thing; fixing the broken clay joint that lets storm surcharge in is another. We separate the two on the invoice.
Backflow preventer
For any Friendswood home that has ever seen a rain-driven backup, we strongly recommend a backwater valve — around $850–$1,650 installed and often the smartest one-time fix.
Materials removed
Carpet pad, wet drywall, and baseboards contacted by sewage must be removed. Solid surfaces (tile, sealed concrete, vinyl) can usually be sanitized in place.
Why This Matters in Friendswood, TX
Sewer backups in Friendswood follow the storm calendar. When Clear Creek and Cowart's Creek run high after a 3-inch rain, the municipal sanitary system can surcharge into private laterals — pushing sewage backward toward the lowest fixture in your home. Homes off FM 518 and along the older sections of West Boulevard are historically the most exposed. If we've fixed a backup once at your address, we'll usually recommend a backwater valve so the next storm doesn't repeat the disaster.
Why Friendswood Homeowners Trust Us for Sewer Backups
Friendswood Plumbing Co. has been serving Friendswood and Greater Houston for 22 years — 487+ verified reviews at a 4.9-star average, Texas Master Plumber License #M-40217, and a 45-minute response inside Friendswood 77546/77549. Every sewer backups job we do carries a written 2-year workmanship warranty and a firm flat-rate price handed to you before we start.
Master Plumber on every sewer backups job
Sewer Backup Cleanup is diagnosed and performed by a licensed Texas Master Plumber — never a sub, never a trainee working unsupervised.
Flat-rate written price before we start
You see the full sewer backups price in writing — labor, parts, permits, cleanup — before any work begins. No hourly meter running, no surprise upcharges.
Trucks stocked for sewer backups
Emergency mainline sewer clearing, Sewage water extraction & sanitization, and the common failure points — stocked on our trucks so most sewer backups jobs finish in one visit.
2-year workmanship warranty
Every sewer backups repair carries a 2-year written workmanship warranty, honored by the same crew. Manufacturer warranties pass through on parts.
Related Services
Drain Cleaning
Kitchen backups, mainline clogs, tree-root sewer lines.
Sewer Line Repair & Replacement
Broken clay laterals, root-invaded joints, and bellied lines under 1970s slabs — repaired, spot-replaced, or trenchless-lined by our licensed crews.
Flood & Water Damage Cleanup
Harvey-tested.
Related Articles
Why Your Friendswood Drains Back Up Every Time It Rains Hard
If your Friendswood drains gurgle every time it rains hard, the city system is surcharging into your lateral. Here is the fix.
Clear Creek Flooding and Your Sewer Line: A Friendswood Owner Guide
Clear Creek is Friendswood eastern floodway — and homes nearby see more sewer backup events per storm than any other part of town.
Backflow Preventers: Do Friendswood Homes Need One Before Hurricane Season?
A backwater valve is the single highest-ROI plumbing upgrade for any Friendswood home that has ever seen a rain-driven sewer backup.
Sewer Backups Across Friendswood & Greater Houston
Our sewer backups crews dispatch daily from our Hunters Lane hub in Friendswood — 45-minute response inside Friendswood 77546/77549. We serve the entire Tier 1 corridor along FM 518 and FM 528: Friendswood 77546 and 77549, Pearland, Alvin, Manvel, Webster, and Brookside Village. Extended service reaches Galveston County, south Harris County, north Brazoria County, and Fort Bend County — 39+ cities in total. Every job runs by the same Texas Master Plumber, at the same flat-rate pricing, with the same 2-year written warranty.
Ready for Sewer Backups in Friendswood?
Every sewer backups job we do is priced flat-rate in writing before we start, performed by a Texas Master Plumber (never a sub), and backed by a written 2-year workmanship warranty. If you have an active emergency, skip the form and call — a licensed dispatcher answers on the first ring, 24/7.
Frequently Asked
Is a sewer backup covered by insurance?
Only if you have a sewer backup rider (usually $50–$120/year add-on). Standard TX homeowner policies exclude it by default. We document every job either way.
Can I stay in the house during cleanup?
Depends on the scope. A localized bathroom backup — yes, with the room closed off. A whole-first-floor backup — usually hotel it for 2–4 days during dry-down.
How do I prevent this from happening again?
Install a backwater valve on your sewer lateral, keep the line root-free with periodic hydro-jetting, and never plant a live oak within 15 feet of your sewer path.
What if it happens during a hurricane?
Our on-call teams pre-stage during named storms and prioritize repeat sewer-backup addresses. Call as soon as you're safe — same-day response wherever feasible.
Do you handle sewage-contaminated carpet removal?
Yes. IICRC Category 3 protocol requires removal and disposal of carpet, pad, and porous materials directly contacted. We haul it, and coordinate replacement with your flooring contractor.
45-minute response inside Friendswood 77546/77549
Sewage Backup at Your Home?
Clear the line, sanitize, prevent it happening again. Call (831) 290-4327 — 24/7 dispatch.
