Expert Plumbing, Drain Cleaning & Sewer Repair Services in Greater Seattle

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CALL (206) 789-4944

Serving the Greater Seattle Area

Book Appointment Online

For over 30 years, Bob Oates Plumbing, Sewer & Rooter has delivered fast, reliable service to neighborhoods across Greater Seattle. We are a licensed side sewer contractor, and all of our staff go through an extensive background screening.

We specialize in plumbing repair, professional drain cleaning, and advanced sewer repair solutions — including trenchless sewer pipe lining — to help homeowners solve problems quickly without unnecessary disruption.

Knowledgeable. Reliable. Affordable. That's Bob Oates!

Our licensed technicians are available 24/7/365 and provide honest recommendations, transparent pricing, and long-term solutions you can count on.

You can be sure only professional technicians show up at your home or office — just ask one of our many satisfied customers!

A Full Suite of Services For Any Repair Need

We offer a complete range of plumbing, drain cleaning, and sewer & rooter services:

Serving Cities and Communities All Around Seattle

We're proud to have served the Greater Seattle Area for over three decades.

Our locally dispatched crews serve homes and businesses across King, Snohomish, and Pierce Counties, including:

Schedule an Appointment with Bob Oates Today!

Fill out our contact form or call the office anytime — we’re here to help when you need it most.

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Rated 5 Stars by Johanna G.
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"Nothing but great experiences with Bob Oates! Would highly recommend for all your sewer and plumbing needs! Honest, hard working company!"

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Is Pipe Lining a Long-Term Solution? What Seattle Homeowners Should Know

By Bob Oates | April 24, 2026

If you’re dealing with sewer line issues, you want more than a temporary fix. Trenchless sewer pipe lining is considered a long-term solution when the existing pipe is structurally sound — and in many cases, it can extend the life of your sewer system by 50 years or more. How Pipe Lining Strengthens Your Sewer…

Bob Oates Plumbing, Sewer & Rooter trucks parked at a residential service call in Seattle

Main Issues We Address With Pipe Lining (Seattle Homeowners Guide)

By Bob Oates | April 22, 2026

Sewer line issues don’t always mean excavation. With trenchless sewer pipe lining, many common pipe problems can be repaired from the inside — avoiding the need to dig up your yard, driveway, or landscaping. At Bob Oates Plumbing, Sewer & Rooter, we use pipe lining to address several of the most frequent sewer issues seen…

Bob Oates technicians preparing a blue CIPP liner for trenchless sewer repair.

How Trenchless Pipe Lining Came To Be (And Why It’s a Go-To Sewer Repair Solution Today)

By Bob Oates | April 13, 2026

Sewer problems are something most homeowners don’t think about — until they’re dealing with a slow drains, backups, or worse. For decades, fixing a damaged sewer line meant one thing: digging. Lawns torn up, driveways broken apart, and days (or weeks) of disruption. Today, there’s a better option. Trenchless sewer repair — including trenchless pipe…

Bob Oates Plumbing, Sewer & Rooter van parked at a residential job site in the Greater Seattle Area, with sewer repair equipment set up nearby.

Do I Need a Video Inspection for My Seattle Sewer Line Repair?

By Bob Oates | April 8, 2026

When something goes wrong with your sewer line, the last thing you want is guesswork. Sewer problems happen underground, out of sight — and without the right tools, it’s nearly impossible to know what’s actually causing the issue. That’s where a professional sewer camera inspection comes in. At Bob Oates Plumbing, Sewer & Rooter, we…

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Why Bob Oates Sewer & Rooter Is Your Go-To Seattle Plumber

By Bob Oates | March 29, 2026

Finding a reliable plumber in Seattle isn’t just about fixing a leak — it’s about trusting someone with your home, your property, and often a significant investment. At Bob Oates Plumbing, Sewer & Rooter, we’ve spent more than 30 years helping homeowners across the Greater Seattle area solve everything from clogged drains to full sewer…

Bob Oates work truck parked near Lake Union with Seattle skyline in the background.

When Is Sewer Line Replacement Necessary?

By Bob Oates | March 22, 2026

Your sewer line isn’t something you think about every day — until something goes wrong. And when it does, the question becomes clear: Can this be repaired… or does it need to be replaced? While many sewer issues can be fixed with targeted repairs, there are situations where a full sewer line replacement is the…

Young child in Bob Oates sweatshirt practicing plunging a clean toilet.

Clogged Toilet? Here’s How to Fix It (Step-by-Step Guide)

By Bob Oates | March 18, 2026

There’s never a good time for a clogged toilet. Whether your toilet won’t flush, starts backing up, or threatens to overflow right before guests arrive, it’s one of the most stressful plumbing problems homeowners face. The good news? Many toilet clogs can be cleared quickly with the right approach. In this guide, we’ll walk you…

Bob Oates Plumbing, Sewer & Rooter team standing in front of a service van in Seattle

Trenchless Sewer Line Repair: A Modern Solution for Seattle Homes

By Bob Oates | March 15, 2026

If you’re facing sewer line problems, the idea of digging up your yard, driveway, or landscaping can feel overwhelming. Traditional sewer repair often meant deep trenches, heavy machinery, and days of disruption around your home. Fortunately, modern trenchless sewer repair offers a smarter alternative. At Bob Oates Plumbing, Sewer & Rooter, we help homeowners throughout…

Rusty, broken and clogged sewer pipes dug up and sitting on the grass in a homeowner's yard

How Do I Know If I Need a Sewer Line Repair?

By Bob Oates | March 9, 2026

Sewer line problems rarely appear all at once. In many homes, the first warning signs are small — a slow drain, a patch of soggy lawn, or a faint sewer odor that comes and goes. But these early symptoms often point to a larger issue developing underground. Knowing how to recognize the signs of sewer…

Bob Oates technician hydro jetting a sewer line through an outside cleanout at a Seattle home

High-Pressure Water Jetting Services

By Bob Oates | March 6, 2026

Clogged drain and sewer lines are often caused by buildup that accumulates slowly over time. Grease, sludge, sand, food waste, and mineral deposits can coat the inside of pipes, eventually restricting the flow of wastewater. When traditional drain cleaning tools aren’t enough, high-pressure water jetting — commonly known as hydro jetting — offers one of…

Washington State favicon with star for Seattle

CALL (206) 789-4944

Serving the Greater Seattle Area

Book Appointment Online