$500 offtankless water heater installation: mention Monty!
4.9 · 672 Google reviewsNorth Houston

Drain and Sewer Services in Houston, TX

Family OwnedSince 2018
Faith BasedHonesty and integrity
Aggie Owned& operated
This month’s coupon
$500 off
Tankless water heater installation

A new tankless water heater, installed by a licensed plumber.

Claim it: 817-475-2800
Monty the mole, the Molberg Plumbing mascot, waving hello

Houston drain and sewer

Houston is hard on sewer lines. Gumbo clay that swells and shrinks, a water table that sits high after every heavy rain, and housing stock spanning a century of pipe materials all add up to drain and sewer problems that show up sooner and hit harder than they do elsewhere in Texas.

Molberg Plumbing handles the full range for Houston homeowners, from a kitchen line that’s been slowing down for months to a collapsed main that needs to come out. Licensed plumbers, a real diagnosis, and a price you hear before we start.

Book service

Our Houston Services

Every service Molberg runs in Houston, on one list. Not sure which? Call it in and describe what it is doing.

From routine repairs to emergencies, Molberg Plumbing is ready to help.

Call 817-475-2800
Monty the Mole mascot in the Molberg Plumbing shop

Signs of a Sewer Problem in Houston Homes

Houston sewer lines usually complain before they fail. What that sounds and looks like:

  • Drains throughout the house slowing over the same stretch of weeks
  • A toilet bubbling when the shower or washing machine runs
  • Sewer gas odor near a floor drain, a cleanout, or along one edge of the yard
  • Standing water in the yard that lingers well after a storm has passed
  • A downstairs tub or shower backing up when upstairs fixtures drain
  • Soft, sinking, or unusually green ground following the sewer route
  • Sewage entering the home through any fixture, which needs immediate attention
Call 817-475-2800
Word travels above ground

Hear from our happy customers

Real feedback from real Fort Worth homeowners, unedited.

Work ordercompletedMolberg Plumbing · M42278

Customer
Kathy Miller

David is a top notch plumber! He is very knowledgeable, professional and explained everything to our understanding. He took care of our clogged drain. Very personable and showed up on time. Highly recommend Molberg Plumbing!!

Kathy Millerverified customer review5 stars

Rated by real customers. Read every review, unedited, on the platform of your choice.

Google ReviewsFacebook ReviewsYelpBBB A+ Accredited Business

Drain Cleaning in Houston, TX

Houston drain lines take a beating. Humidity, heavy household use, and pipe that’s frequently older than the people living above it all shorten the interval between clogs. Grease hardens against the pipe wall. Hair and soap film build a mat in bath lines. Food solids collect in any spot where flow slows down.

Chemical drain openers are particularly unhelpful here. They open a narrow channel, leave the accumulated buildup on the pipe wall, and on the cast iron that’s common throughout older Houston neighborhoods, repeated use accelerates corrosion that’s already underway.

We clear drains with commercial cable machines and jetting equipment sized to the line, then confirm full flow before leaving. If the same drain has clogged three times this year, we’ll tell you what’s actually driving that instead of putting you on a cleaning schedule.

Sewer Cleaning in Houston, TX

The main sewer line carries everything the house produces. When buildup, roots, or a settled section reduce its capacity, the symptoms surface at the lowest fixture and work up from there.

Sewer cleaning clears the restriction and, paired with a camera inspection, tells us the real condition of the pipe. In Houston that second part carries extra weight, because a line that cleans up fine may still have offset joints or a belly holding water that will bring you right back to the same problem in a few months.

You’ll get an explanation of the findings and a quote before any equipment runs.

Hydro Jetting in Houston

Hydro jetting is the most thorough cleaning a residential line can get. High-pressure water through a specialized nozzle strips grease, scale, sludge, and root hairs off the entire pipe wall and flushes the material out of the system instead of pushing it further down the line.

Cabling bores through a clog. Jetting removes what caused it. On a Houston kitchen line where years of grease have narrowed a four inch pipe to something closer to two, that difference determines whether the fix lasts three weeks or three years.

We recommend jetting for recurring clogs, heavy grease lines, and any sewer that keeps needing to be cabled. A camera inspection comes first, since a badly corroded cast iron line needs repair rather than pressure.

Call 817-475-2800
Monty the mole mascot beside a kitchen wall cutout with stub-out valves and taped sheeting

Drain and Sewer Problems Common Across Houston

The city’s soil, water table, and pipe age produce a recognizable list:

  • Cast iron failure: Houston homes built before the mid-seventies frequently have cast iron drain lines that have corroded and channeled out along the bottom
  • Root intrusion: Live oaks, water oaks, and pines send roots into every open joint they can reach
  • Bellies from soil movement and subsidence: Gumbo clay and ground settlement drop sections of line into low spots that permanently hold water
  • Grease blockages: The most frequent reason a kitchen line backs up, and the most likely to return
  • Storm infiltration: Cracked lines and open joints let groundwater into the system during heavy rain, overwhelming capacity
  • Collapsed clay pipe: Older neighborhoods still have vitrified clay lines that have cracked and caved

Why Houston Sewer Lines Fail

Soil does the most damage. Houston’s gumbo clay holds an enormous amount of water, expanding significantly when saturated and contracting hard during dry stretches. Buried pipe rides that movement season after season. Joints separate, older pipe cracks, and sections of line settle out of grade.

Subsidence adds another layer. Parts of the Houston area have settled measurably over decades, and a sewer line installed at a correct half-inch-per-foot fall can lose that pitch entirely as the ground beneath it drops.

The rest of the picture:

  • Cast iron from mid-century construction now well past its practical service life
  • Roots from live oaks, water oaks, and pines finding moisture at any opening in the line
  • A high water table that keeps pipe exposed to groundwater and speeds deterioration at cracks and joints
  • Grease and non-flushable material narrowing lines that were already working with reduced capacity
  • Flood events that saturate soil, shift pipe, and push debris and silt into compromised lines

Getting the cause right is the whole job. A line with roots at one joint and a line with twenty feet of corroded cast iron call for completely different work and very different budgets.

Sewer Line Repair in Houston, TX

Every sewer repair we perform starts with a camera inspection. We identify the pipe material, locate the damage precisely, measure the depth, and map the route before quoting anything.

From there we present the options honestly. A single failure point may only need a spot repair. Damage across multiple joints often makes trenchless lining the better choice, rebuilding the pipe from the inside without trenching through a yard, driveway, or slab. Molberg Plumbing is Picote Solutions certified, so we do this work ourselves.

You’ll see the camera footage and decide with the same information we have.

Sewer Line Replacement in Houston, TX

When a line is corroded end to end or has collapsed, replacement is what actually resolves it. We handle permits, utility locating, excavation, new pipe installed at proper fall, and testing before backfill.

Houston lots often have mature trees, fences, and limited access, so we plan the route to work around what’s there and keep the footprint tight. The ground gets restored and the work gets documented for your records.

How it works

Three steps and it’s fixed

Monty digs a straight line from your call to a working pipe.

  1. Call or book online

    Reach us 24/7. A real person answers, and same-day slots are on the table for most projects.

  2. Approve a written price

    We diagnose the real problem, walk you through the options, and put the price on paper first.

  3. We dig in and fix it

    Repairs usually happen on the spot. Bigger jobs get scheduled around you, and every job is backed by our workmanship warranty.

Book serviceFree estimates. Financing options available.

Frequently Asked Questions

It’s mostly the soil. Gumbo clay expands and contracts dramatically with moisture, which moves buried pipe constantly. Add ground subsidence, a high water table, and a lot of aging cast iron, and Houston sewer lines work harder than they do in most cities.

It’s a good idea. Saturated soil moves pipe, and floodwater can push silt and debris into a line through cracks or open joints. A camera inspection afterward tells you whether the system came through it intact.

Yes. We’ve been running service in the north Houston area for several years and are continuing to expand our presence there. Call and we’ll let you know our current coverage for your address.

It typically means tunneling or breaking through the slab to access the pipe, depending on the layout. Tunneling from outside avoids opening the floor inside the house but costs more. We’ll walk you through both approaches with the pricing attached.

Often, yes. Trenchless lining works well when the host pipe has enough integrity to bond a liner. Severe bellies or fully collapsed sections still require excavation, and the camera inspection tells us which situation you’re in.

Sewer leaks under a slab often come with odor, damp flooring, or sewage smells that a fresh water leak wouldn’t produce. We use camera inspection and leak detection to determine which system is involved before anyone breaks concrete.

Financing + warranty

Pay over time. Stay covered.

Water heaters, repipes and sewer lines don’t wait for a good month. Get the price on paper first, then pay it off over time.

Financing

12 months

No interest if paid in full*

Also 6 and 15 months, or fixed-rate plans up to 180 months. On qualifying work through GreenSky.

See Financing Plans
Warranty

2 years

VIP workmanship warranty

Extended coverage on installs and replacements with Molberg-supplied parts. Renews yearly with the $199 VIP plan.

See VIP Membership

*Subject to credit approval. Call 866-936-0602 for financing costs and terms.

Houston Sewer Lines Fail on Their Schedule. Get Ahead of Yours.

By the time sewage is on the bathroom floor, the affordable version of this repair has already passed. Molberg Plumbing brings free estimates, licensed plumbers, trenchless options that keep the digging to a minimum, and financing for the repairs nobody plans for. Call now or request Houston service online!

Call 817-475-2800

From Fort Worth to Houston

We serve Fort Worth, the DFW area and Houston’s north side. Find your city below.

Coverage is approximate. Just outside it? Call anyway.

Both service areas in full
Call 817-475-2800