Professional plumbing services by MT Dunn Plumbing

Reliable Sewer Repair in Hillsboro | MT Dunn Plumbing

A failing sewer line is more than an inconvenience, it’s a threat to your home’s foundation, your yard, and your family’s health. MT Dunn Plumbing specializes in fast, lasting sewer repair solutions for Hillsboro homeowners, using modern trenchless techniques whenever possible to fix broken, cracked, or collapsed lines without tearing up your property. From minor leaks to full pipe replacement, our licensed technicians diagnose the problem correctly the first time and repair it right, so you’re not calling us back for the same issue next year.

Free Plumbing Consultation

Our highly experienced plumbing professionals will contact you for a free estimate and consultation.

What Our Clients Say

MT Dunn Plumbing is proud to serve homeowners and businesses in Hillsboro with dependable plumbing services. Customers trust the team for their professional approach, quality work, and reliable service. No matter the project, they focus on providing lasting solutions and a positive customer experience.

Google Reviews
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Ruben profile picture
Ruben
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Late Sunday night we had an emergency leak, where we were forced to shut off water to entire house. I reach out MT Dunn plumbing and in a short notice and within 35 mins Irich was able to come over and fixed our leak. Truly appreciate the quick response especially being late Sunday night around 9-10pm!!!
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Matt Corrado
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We inadvertently discovered our kitchen and washing machine drains were disconnected and dumping water underneath the house, in the crawlspace. We may never know why or for how long but Irich responded to my call personally and set a date within a single business day knowing we'd couldn't use the kitchen until it was fixed. He was here on time and had it repaired in a half day. Proper invoicing and estimates based on labor and parts always makes me happy. So glad to have a plumber now. I won't go anywhere else.
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Nick A. profile picture
Nick A.
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I have used MT Dunn many times, mostly smaller projects. Usually available within 24-48 hours. Always professional and courteous. Wouldn’t hesitate to use them again!
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M profile picture
M
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Excellent service start to finish. Arrived on time, responded quickly to request. Very friendly and professional. Everything handled with care and expertise. Shower head repair. Hillsboro Area.
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Zari Mootz profile picture
Zari Mootz
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This is the 3rd time we've used M T Dunn Plumbing, and the 3rd time we've have a 5-star experience. I would recommend them to everyone!
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Rie Jacobs profile picture
Rie Jacobs
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Irich is very easy to work with and always shows up on time. He’s honest, professional, and very efficient. His work is fast but never rushed. He does things the right way and never cuts corners. Over the past three years, he has helped us three times: installing a water heater, replacing some toilet parts, and installing a new toilet. Every job was done quickly and professionally. He’s also very respectful of our home and keeps things clean while working. On top of that, he’s a genuinely kind person—even great with our dog 🐶 His pricing is fair and he never overcharges. It’s hard to find someone this trustworthy. I highly recommend him. Thank you Irich!
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Brian Secrest profile picture
Brian Secrest
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I've had MT Dunn plumbing handle a couple of plumbing issues we've had over the last few years. Our most recent visit was due to a leaking valve going to our guest bathroom toilet. It was stripped and Irich was able to fix it in short order. Friendly, transparent, punctual, and knowledgeable. We highly recommend Dunn plumbing and Mikes son Irich.
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Cooper Howard profile picture
Cooper Howard
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This is the second time I’ve used M T Dunn Plumbing and both experiences have been great. I recently discovered I had a leaky pipe underneath my cement driveway. M T Dunn came out and assessed the situation and gave me multiple ways get it fixed with varying costs. I decided what I wanted to do and they came out a few days later and took care of it. They cut a hole in the cement, found the leak, fixed it and patched the driveway in a single day which will end up saving me a ton of money. They’re very fair and have gotten things done quickly and easily both times I’ve needed them.
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philip salvador profile picture
philip salvador
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Very upfront on pricing, finished the work as expected.
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Daniel Cruz profile picture
Daniel Cruz
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Irich is great and excellent work and did same day service..I would highly recommend mt plumbing for anyone

What Other Plumbing Services Does MT Dunn Plumbing Offer in Hillsboro, OR?

Here are the plumbing services MT Dunn Plumbing offers to residential and commercial customers throughout Hillsboro, OR.

Modern camera inspections help reveal blockages, root buildup, leaks, and pipe defects without unnecessary excavation.

Professional repair solutions restore damaged sewer lines and help prevent repeated drainage problems.

Configuration, repair, and exchange services provide high-efficiency, on-demand hot water for homes and businesses.

Gas water heaters are fitted safely and adhering to current code guidelines for consistent long-term performance.

Advanced trenchless techniques replace damaged sewer lines while reducing disruption to landscaping and hard surfaces.

Fast troubleshooting and repairs restore hot water and improve system efficiency.

Repair services address jams, leaks, unusual noises, and functional issues affecting kitchen disposals.

Gas piping issues and leaks are carefully repaired to maintain reliability and proper system performance.

Garden faucet repairs help prevent water waste, leaks, and cold-weather damage.

Cracked or leaking pipes are repaired promptly to protect property and reduce water costs.

Fast repair services stop water leaks, fix broken pipes, and restore steady water flow while reducing property damage.

Inspection and repair services determine the source of sewer odors and restore proper drainage and venting function.

Trusted leak repair services address unseen and visible plumbing leaks to prevent water damage, mold growth, and excessive utility expenses.

Diagnostic and repair services restore sump pump reliability, helping protect basements and crawl spaces from flooding and water intrusion.

Advanced leak detection methods locate leaks beneath concrete foundations, allowing for targeted repairs that minimize structural wear.

Damaged or leaking water supply lines are repaired to restore uninterrupted water delivery and prevent property harm.

Repairs address leaks, drainage problems, damaged components, and fixture issues to keep kitchen and bathroom sinks working properly.

Trusted toilet installation services ensure proper alignment, secure connections, steady operation, and code-compliant performance.

Full-home and point-of-use water filtration systems are installed to improve water clarity, taste, and overall system reliability.

Precise diagnostics identify the cause of low or high water pressure and restore balanced flow throughout the plumbing setup.

Modern gas lines are installed for residential and commercial applications, ensuring safe operation and compliance with applicable regulations.

Quality gas fireplace installations provide reliable heating, safe fuel connections, and efficient system performance.

Preventive solutions help protect plumbing systems from freezing temperatures, reducing the risk of burst pipes and extensive water damage.

Why Choose MT Dunn Plumbing for Sewer Repair in Hillsboro?

Sewer repair is not a job for guesswork, one wrong move underground can turn a simple fix into a major expense.

Licensed and Insured

Fully licensed plumbers who meet Hillsboro's code requirements on every repair.

Trenchless Options

Pipe lining and pipe bursting methods that repair sewer lines with minimal digging.

Upfront Pricing

Written estimates before work begins, no surprise charges once the job starts.

Root-Cause Repairs

We fix what actually failed, not just the symptom that's showing up in your yard or basement.

Warrantied Workmanship

Repairs backed by a written warranty, so you're covered if anything resurfaces.

Modern Equipment

Hydro-jetting, pipe locators, and camera-verified repairs for accuracy at every step.

Same-Week Scheduling

Most non-emergency repairs scheduled and completed within days, not weeks.

Respect for Your Property

Careful site restoration after excavation, including soil and landscaping cleanup.

Local Knowledge

Familiar with Hillsboro's older neighborhoods, soil conditions, and common sewer line issues in the area.

Straight Answers

We explain what's wrong, why it happened, and what repair actually solves it.

Hillsboro homeowners choose MT Dunn Plumbing because we treat every sewer line like it’s connected to our own home.

Hillsboro plumbing emergency and water damage statistics infographic

How Does MT Dunn Plumbing Repair a Sewer Line in Hillsboro?

Every sewer repair follows a structured process built around accuracy and minimal disruption to your property.

1

Diagnostic Camera Inspection

Before any repair begins, technicians run a camera through the line to confirm the exact cause, location, and severity of the damage.

2

Locating the Exact Problem Area

Using electronic locating equipment, technicians mark the precise depth and position of the damaged section on the surface above.

3

Evaluating Repair Method Options

Based on pipe material, damage type, and access, we determine whether trenchless lining, pipe bursting, spot repair, or open excavation is the right fit.

4

Explaining Findings and Costs to the Homeowner

Technicians walk you through the footage, the recommended method, and a firm written quote before any ground is disturbed.

5

Preparing the Work Site

Utility lines are marked, work zones are protected, and any landscaping in the immediate area is carefully set aside for restoration later.

6

Clearing the Line Before Repair

Hydro-jetting or mechanical cutting removes roots, debris, or scale so the repair method can be applied to a clean pipe surface.

7

Performing the Repair

Depending on the chosen method, crews install a cured-in-place liner, burst and replace the old pipe, cut in a spot repair, or excavate and replace the damaged section directly.

8

Pressure and Flow Testing

Once the repair is complete, technicians test the line to confirm proper flow, watertight seals, and correct slope.

9

Post-Repair Camera Verification

A final camera pass confirms the repair meets specification and that no additional issues remain in the line.

10

Site Restoration and Cleanup

Backfilled trenches are compacted properly, and any disturbed lawn or landscaping is restored as close to original condition as possible.

Most trenchless sewer repairs are completed in a single day; full excavation replacements typically take one to three days depending on line length and depth.

When Should You Call MT Dunn Plumbing for Sewer Repair?

Sewer damage often starts small and gets expensive fast. Call us if you notice:

  • Sewage odors inside your home or lingering in the yard.
  • Multiple drains backing up at once, especially the lowest fixtures in the house.
  • Unusually lush, green patches of grass over your sewer line.
  • Foundation cracks or settling near where the sewer line runs.
  • Standing water or soft, sunken spots in the yard.
  • Slow drainage throughout the house that snaking hasn’t fixed.
  • A sewer camera inspection has already identified a break, crack, or collapse.
  • Your home has original clay, Orangeburg, or cast iron sewer piping.
MT Dunn Plumbing technician inspecting a damaged residential sewer line in Hillsboro

What Causes Sewer Line Damage in Hillsboro Homes?

Tree roots and aging pipe materials causing underground sewer line damage

Understanding the cause helps us recommend the right long-term fix, not just a temporary patch.

How Does MT Dunn Plumbing Restore Proper Sewer Flow in Hillsboro?

Proper sewer flow starts with identifying the source of the problem and applying the right repair solution.

MT Dunn Plumbing restores dependable sewer performance with targeted repairs designed for long-lasting results.

Plumber clearing a sewer blockage and testing the line for proper wastewater flow

Is Trenchless Sewer Repair a Good Option for Older Hillsboro Homes?

From what we’ve seen, the answer is a firm yes in most cases, and it’s usually our first recommendation. At MT Dunn Plumbing, we’ve seen how trenchless repair protects the mature landscaping and finished hardscaping that make older Hillsboro properties so valuable in the first place.

Here's why we feel so strongly about this:

Older Hillsboro neighborhoods often sit on established lots with mature trees, finished landscaping, and driveways or patios that homeowners don’t want disturbed. A traditional repair might assume the only path to a fixed pipe is digging straight through everything above it, but trenchless methods let us fix the pipe from the inside out, accessed through a small entry point, without tearing out everything built above the line. That’s a significant advantage, and time and again, it’s exactly why we lead with this option on older properties.

We’ve evaluated plenty of aging sewer lines where trenchless repair solved the problem completely while leaving the yard, driveway, and landscaping untouched. In almost every case, homeowners were relieved to learn they didn’t have to choose between a working sewer line and the property improvements they’d invested in over the years.

Trenchless sewer repair protecting mature landscaping and driveways at an older Hillsboro home

Our opinion is simple: pushing one repair method because it's easier for us, rather than because it's right for the pipe, isn't a standard we're willing to lower.

The value of an honest recommendation is significant, since trenchless isn’t the right fit for every situation. Severely collapsed sections, extreme bellies, or lines with major misalignment sometimes still require traditional excavation to get a lasting result, and we think of that honesty as the whole point, you’re not just getting a repair, you’re getting the method that actually fits your pipe’s condition.

Homes with established landscaping, mature trees, or hardscaping near the sewer line, in particular, benefit most from exploring trenchless first, since it’s precisely where the disruption of traditional excavation would be felt the most.

Technician evaluating whether trenchless repair or traditional excavation best fits the damaged sewer pipe

Bottom line from our team:

Both options come with real trade-offs in cost, timeline, and disruption, and you deserve to understand them clearly. Our team walks through both before recommending anything, so you can decide what actually makes sense for your property and your budget.

Homeowner reviewing sewer repair options, costs, and property disruption with a Hillsboro plumber

What Inspection Findings Lead to Different Sewer Repair Recommendations?

Every sewer repair begins with a thorough inspection to identify the actual cause of the problem. We use the inspection results to recommend the most effective and cost-efficient repair instead of applying a one-size-fits-all solution.

Inspection FindingRecommended Sewer Repair
Minor pipe crackSpot pipe repair or sectional replacement
Tree root intrusionHydro jetting followed by root removal and pipe repair
Broken or collapsed pipePartial or full sewer line replacement
Offset pipe jointsJoint realignment or replacement of affected section
Corroded cast iron pipePipe replacement or trenchless pipe lining where suitable
Bellied (sagging) sewer lineExcavation and replacement of the sagging section
Heavy grease buildupProfessional hydro jetting and system cleaning
Recurring blockagesVideo inspection followed by targeted pipe repair
Leaking pipe jointsJoint sealing or replacement of damaged fittings
Multiple damaged sectionsComprehensive sewer line replacement or trenchless rehabilitation

By matching inspection findings with the appropriate repair method, MT Dunn Plumbing delivers reliable sewer repairs that restore proper flow while minimizing unnecessary work and long-term costs.

Fast Response • Upfront Pricing • Guaranteed Work

Need Dependable Sewer Repair in Hillsboro, OR?

MT Dunn Plumbing delivers trenchless and traditional sewer repair services throughout Hillsboro, OR, backed by camera-verified diagnostics, upfront pricing, and warrantied workmanship for lasting results.

How Does MT Dunn Plumbing Handle Emergency Sewer Repairs?

A backed-up or collapsed sewer line can’t wait, and our team is set up to respond fast.

1

Immediate Dispatch

Emergency crews prioritize active sewer failures and backups over routine calls.

2

24/7 Emergency Line

Available nights, weekends, and holidays for urgent sewer situations.

3

Rapid Diagnosis

Camera equipment deployed on arrival to identify the failure point quickly.

4

Temporary Containment

Immediate steps taken to stop active backups and limit water damage.

5

Clear Emergency Pricing

Upfront cost estimates provided before any emergency repair begins.

6

Full-Scope Repairs

Emergency crews can move straight from diagnosis into permanent repair when conditions allow.

7

Coordination With Restoration

Referrals and guidance if water damage cleanup is needed alongside the repair.

8

Post-Repair Follow-Up

A check-in after the fix to confirm the line is holding and flowing properly.

When a sewer emergency hits, MT Dunn Plumbing is built to respond quickly and fix it correctly the first time.

Frequently Asked Questions

How much does sewer repair cost in Hillsboro?

Costs vary based on damage severity and repair method, but trenchless options typically cost less than traditional excavation due to reduced labor and restoration work.

Trenchless repairs are often finished in a single day, while excavation-based replacements can take one to three days depending on the length and depth of the damaged section.

Coverage varies by policy and cause of damage, so we recommend checking with your insurance provider directly; we’re happy to provide documentation to support a claim.

A camera inspection determines this. Isolated cracks or small breaks often only need a spot repair, while widespread deterioration usually calls for full replacement.

Yes, We repair residential and commercial sewer lines, addressing leaks, blockages, pipe damage, and flow issues with dependable, lasting solutions.

Yes, MT Dunn Plumbing repairs partially collapsed sewer lines using targeted repair or replacement methods to restore reliable, long-lasting wastewater flow safely.

Schedule Your Sewer Repair Today

A damaged sewer line only gets more expensive the longer it’s ignored. Call MT Dunn Plumbing to schedule a sewer repair evaluation in Hillsboro and get a clear plan, honest pricing, and a repair built to last.

Contact MT Dunn Plumbing today to book your sewer repair appointment.

Which Areas Do M T Dunn Plumbing Serve?

At M T Dunn Plumbing, we proudly serve Hillsboro, Beaverton, Portland, Tigard, Lake Oswego, Sherwood, Tualatin, West Linn, Wilsonville, Aloha, Newberg, Gaston, Banks, North Plains, and the surrounding Portland metro areas.

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