Residential Sewer Line Repair in Portland, OR
If your home’s sewer line is damaged, it’s not just an inconvenience — it can back sewage into your house and cost thousands if it’s ignored too long. Residential sewer line repair means fixing the pipe that carries wastewater from your house to the city’s main sewer line. It’s different from commercial work, which deals with larger systems and multiple units. We repair single-family sewer lines for homeowners across Portland, OR, and we explain exactly what’s wrong before we touch a shovel.
Signs Your Home’s Sewer Line Needs Repair
A sewer line problem rarely shows up as just one symptom. Watch for a few of these happening around the same time:
- More than one drain in the house is slow or backing up at once
- A sewage smell in the basement, crawlspace, or yard
- Gurgling sounds from toilets when you run the washing machine or shower
- Wet, soggy, or unusually green patches in your yard
- Cracks in your foundation paired with drainage issues
One slow drain is usually a simple clog. Several slow drains at the same time usually points to the main line.
Common Causes of Sewer Line Damage in Portland Homes
Portland’s older neighborhoods and heavy rainfall create a few specific problems for residential sewer lines.
Who’s Responsible for Your Sewer Line — You or the City?
This trips up a lot of homeowners. The short answer: it depends on where the damage is.
The pipe running from your house out to your property line (or the curb, for older homes) is yours. You’re responsible for repairing it, and you pay for that work. Once the line crosses into the street and connects to the city’s main sewer pipe, that part belongs to the City of Portland.
Here’s the tricky part: newer homes usually connect to the city line right at the property line. Older homes often connect further out, near the curb. That means a bigger stretch of pipe — the part running under your yard, driveway, or even the sidewalk — can still be your responsibility, not the city’s.
| Pipe Section | Who’s Responsible | Permit Needed |
| Inside your house to the property line | Homeowner | Plumbing permit |
| Property line to the curb (right-of-way) | Homeowner | Plumbing permit + right-of-way permit |
| Curb to the city’s main sewer line | City of Portland | Not applicable |
If you’re not sure where your property line sits or who owns a section of pipe, we can help you figure that out before any work starts. When in doubt, it’s worth checking with the City directly too.
Repair Options — Protecting Your Yard
Nobody wants their driveway or landscaping torn up for a sewer repair. Depending on the damage, we can usually offer more than one option.
Trenchless repair fixes or replaces the damaged section with one or two small access holes instead of digging up the whole yard. It costs more upfront but saves your landscaping, driveway, and any hardscaping you’ve put money into.
Traditional excavation is sometimes the better option if the pipe has collapsed in multiple places or the damage is spread out. It costs less per job but means more digging and more yard repair afterward.
We’ll walk you through both options and what makes sense for your specific yard and pipe condition before we start.
What Does Residential Sewer Line Repair Cost?
Cost depends on how much of the pipe is damaged, how deep it’s buried, whether it’s under a driveway or landscaping, and whether you need a repair or a full replacement. A single-section repair costs far less than replacing an entire line.
Because every yard and every pipe is different, we don’t like to throw out a number that doesn’t apply to your situation. We offer a risk-free estimate so you know the real cost for your home before any work begins.
Why Portland Homeowners Trust Us for Sewer Line Repair
We treat your yard like it’s ours. That means careful digging, protecting your landscaping where we can, and cleaning up the site when the job’s done. We handle the permits, explain your repair and replacement options in plain language, and stand behind our work with a warranty. You’ll always know what we’re doing and why before we start.
Other Sewer Line Services
Areas We Serve
We repair sewer lines for homeowners across the Portland metro, not just one corner of it. Here are some of the neighborhoods and cities we work in regularly:
Frequently Asked Questions
