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Sewer Repair

Sewer Repair in Gresham, OR

Serving Gresham Since 2008, Founded by Environmental Scientists

When sewer problems surface, Gresham property owners need a team that can diagnose the cause accurately and match the repair method to the actual condition of the pipe. Environmental Works has served the greater Portland Metro Area since 2008, offering a full range of sewer services for residential and commercial properties in Gresham, OR. Our work spans sewer scope inspections, drain cleaning, CIPP trenchless pipe lining, pipe bursting, horizontal directional drilling, and full sewer line replacement. Our team is fully licensed, insured, and vetted, and free estimates are available on every project.

What sets us apart is our foundation in environmental science. Founded by environmental scientists Matthew Lowrance and Joel Migliaccio, we bring technical precision to every project, including the capability to manage soil assessment, environmental compliance, and underground utility work under the same contract when a sewer problem extends beyond the pipe itself.

Gresham property owners can reach us at (503) 719-6715 to schedule a free estimate or request a same-day appointment for urgent sewer situations.

Sewer Repair Services We Offer in Gresham

Every sewer problem is different. Before committing to a repair method, we conduct a sewer scope inspection, running a camera through the line to identify the cause, location, and severity of damage. That diagnostic step helps prevent mismatched repairs and helps keep project costs in check.

From there, the repair approach depends on what the scope reveals:

  • CIPP Pipe Lining: Cured-in-place pipe lining (CIPP) is a trenchless method that inserts a resin-saturated felt liner into the damaged pipe, inflates it, and cures it in place, forming a seamless, corrosion-resistant pipe within the existing one. No yard excavation is required.
  • Pipe Bursting: A trenchless technique that pulls a new high-density polyethylene pipe through the existing line while fragmenting the old pipe.
  • Sewer Line Repair & Replacement: For severely collapsed or misaligned lines where trenchless methods aren’t appropriate, we perform conventional excavation and full replacement.
  • Horizontal Directional Drilling: For underground utility work requiring minimal surface disruption.
  • Drain Cleaning: Residential drains, catch basins, and rain drains, including main line blockages.

We serve both residential and commercial properties in Gresham across all of these service lines.

Why Gresham Sewer Lines Fail

Gresham’s wet season runs roughly October through June, keeping clay soils saturated for months at a time. Clay swells when wet and contracts in summer, placing repeated stress on buried sewer laterals. Over time, that movement causes joint separation and pipe bellying, the gradual sag that allows solids to accumulate and blockages to form.

Tree root intrusion compounds the problem. Douglas firs, bigleaf maples, and other regional species send roots toward moisture inside cracked or separated pipe joints. Once inside, roots grow until the line is partially or fully blocked. Homes in neighborhoods like Rockwood and Centennial built from the 1970s through the 1990s may have original sewer connections approaching the end of their service life, making them more susceptible to root intrusion and corrosion.

Gresham Wastewater Services maintains nearly 300 miles of sewer collection lines. The city handles blockages in the public main, but private sewer laterals connecting homes and businesses to that main are the property owner’s responsibility to maintain and repair. Sewer line cracks also allow stormwater infiltration during heavy rain events, a documented infrastructure concern the City of Gresham actively monitors. Oregon State Plumbing Code requires installation of a backwater valve at properties where fixtures sit on a floor level lower than the next upstream manhole cover of the public sewer, a condition common in Gresham’s lower-lying areas.

What to Expect Working With Us

We start with a free estimate and a clear explanation of what we find. If the situation calls for same-day service, we work to accommodate that whenever our schedule allows. Our compliance consultation confirms all work meets Oregon Plumbing Specialty Code requirements and applicable permit requirements before the project is closed. The City of Gresham Building Permits and Inspections Division requires permits for major sewer repairs and replacements, and we handle that process as part of the job.

Sewer repairs can be a significant unplanned expense. We offer financing options and payment plans to make costs more manageable, and completed sewer work is backed by service warranties for long-term peace of mind. Throughout every project, we explain our findings and each step of the process in plain terms so you can make informed decisions.

Schedule Your Free Sewer Repair Estimate in Gresham

Don’t let a slow drain or sewage odor develop into a full lateral replacement. We serve Gresham, OR, and the greater Portland Metro Area with the diagnostic tools and repair capabilities to address sewer problems at any scale, residential or commercial.

Call Environmental Works at (503) 719-6715 to request a free estimate or ask about same-day availability. We’re fully licensed, insured, and ready to get to work.

Happy Customers in Your Neighborhood

Hear From Our Past Customers

    “Highly recommend. Thank you!”
    “Tim came out for our job that included clearing a drain that directs runoff from our driveway. It turned out to be more complicated than anticipated but Tim persevered, even crawling under the deck to get a better take on the situation. Definitely apprecia”
    - Matthew S.
    “Thank you all for the excellent job!”
    “Dwight and the team at EWorks really came through for my clients. We were able to coordinate to get the property sold on time and they saved my clients thousands. I highly recommend them.”
    - Isac G.
    “Great Service All Around”
    “Em came out to do a sewer scope, she was early and called to see if she could get started early. She was professional, friendly, and thorough. She even researched our city’s code after the scope to let us know an issue would not be our responsibility”
    - Danielle M.
    “Highly Recommend!”
    “Environmental Works is the best company to work with. Everyone is super friendly and they have amazing customer service. They always text or call to give you test results instantly - which is super helpful in real estate transactions.”
    - Nikki D.
    “Very Professional and Flexible!”
    “We were pleased with the way our mitigation system turned out. Our home proved to be somewhat of a challenging one to put in a system in a way that was acceptable to us. The crew worked hard to make it all work out well.”
    - Sheri S.
    “Thank You, Joel and Team!”
    “I've been using Environmental Works for years because they're great, and I just discovered something else they do very well--classes to educate homeowners and real estate professionals about the risks and various factors affecting homes when it comes to se”
    - Corey E.
    “I recommend them highly. Great Job!”
    “This company was great to work with, I am an older widow and I felt they gave me a very fair bid! They were here when they said did the job and cleaned up as much as they could as they had to dig up some of my yard.”
    - Jan S.
    “Thank You Again”
    “I'm happy with the service Ework provided and I will definitely be recommending you guys to friends and family! Exceptional service and also, I appreciate you guys for being on time twice! The fair pricing is also what made me become an appreciative custom”
    - Josh B.
    “Loved working with Environmental Works! They are professional, easy to work with, and are always on time! Price is very good too! I will definitely recommend them to any homeowner.”
    - Jane B.
Providing Services to
Portland & Beyond

We commonly service some of the following areas:

  • Beaverton
  • Clackamas County
  • Clark County
  • Gresham
  • Hillsboro
  • Lake Oswego
  • Multnomah County
  • Portland
  • Tigard
  • Vancouver
  • Washington County
  • Yamhill County

Why Gresham Property Owners Choose Environmental Works

Most plumbing contractors approach sewer repair through trade knowledge. We approach it through environmental science. Matthew Lowrance and Joel Migliaccio founded Environmental Works as environmental scientists, and that background shapes how we diagnose problems, plan repairs, and manage projects that cross into soil assessment or environmental compliance territory. When a sewer repair in Gresham also involves an environmental concern, we manage both under one contract rather than coordinating between separate teams.

Since starting as a two-person operation in 2008, we’ve completed tens of thousands of projects across residential and commercial properties throughout the Portland Metro Area. That scale reflects consistent execution, not just volume. We’re highly rated on Yelp, HomeAdvisor, and Facebook, and we treat every client the way we’d want a member of our own family treated.

A few specifics that matter when you’re choosing a sewer repair contractor in Gresham:

  • Integrated Capabilities: Sewer repair, environmental assessment, and underground utility work handled by one accountable team
  • Service Warranties: Completed sewer work is backed by warranties for lasting peace of mind
  • Financing Available: Payment plans designed to make repairs accessible without delay
  • Free Estimates: No cost to find out what the problem is and what it may take to address it
  • Same-Day Appointments: Available when possible for urgent situations
  • Licensed & Insured: Fully vetted professionals on every job

Stay Up to Date with Environmental Works

Warning Signs Your Gresham Home Needs a Sewer Scope

Sewer line problems rarely announce themselves clearly. By the time a blockage is obvious, damage may already be significant. These are the signs that scheduling a sewer scope inspection sooner rather than later is the right call.

  • Multiple Slow Drains at Once: When sinks, tubs, and toilets throughout the house drain slowly at the same time, the problem is likely in the main sewer line, not an isolated fixture
  • Sewage Odor Indoors or in the Yard: Smell from floor drains, yard cleanouts, or soft, wet ground above the lateral path can indicate the line is leaking or backed up
  • Gurgling Toilets: Gurgling sounds when water runs elsewhere in the house signal a venting or blockage issue in the main line
  • Ground Settling Along the Lateral Path: Sinking or uneven ground above where the sewer line runs, especially in clay-heavy soil, can point to a collapsed or severely damaged pipe section
  • Unusually Green Strips of Lawn: A strip of lush growth across the yard may reflect nutrient-rich sewage leaking from a cracked lateral below
  • Older Home Construction: Gresham homes built before the mid-1980s are more likely to have original cast iron, clay tile, or older-connection pipe materials susceptible to cracking, root intrusion, and corrosion

If any of these signs are present, a sewer scope inspection is the right first step. It identifies the cause and location of the problem so the repair approach fits the actual condition of the pipe.

Call Environmental Works at (503) 719-6715 to get a free estimate and find out what’s happening in your line.

Contact Environmental Works Today!

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