Top-Notch Services from Greater Seattle's Trusted Plumber

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High-Quality Plumbing, Drain Cleaning, and Sewer Repair Services

When you need a professional plumbing company in Seattle, WA, and surrounding areas, look no further than Bob Oates.

With a fast response time and knowledgeable technicians, we’re here for you 24/7/365!

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

Our team prides itself on being the very best at the services we provide. A highly trained staff will be sent to assess your needs and we will advise you on a prompt, affordable course of action.

We work to provide our clients with the highest quality sewer repair, sewer cleaning, and drain cleaning services in Seattle, employing only the most experienced, licensed Seattle plumbers and side sewer contractors.

All of our staff go through an extensive background screening, so you can be sure only the most professional technicians show up at your home or office — just ask one of our many satisfied customers!

A Full Suite of Services

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

With a comprehensive range of high-quality services in Seattle, WA, and surrounding areas, our plumbing professionals can fix both residential and commercial plumbing and sewer issues in King County, Pierce County, and Snohomish County.

Serving Cities and Communities All Around Seattle

We've been serving the Greater Seattle Area for over 30 years.

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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"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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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…

White metal downspout attached to a Seattle home exterior draining into underground line near foundation

Why Maintaining Your Downspout Lines Matters

By Bob Oates | March 3, 2026

If you live within the Greater Seattle area, you know rain isn’t seasonal — it’s a way of life. While most homeowners remember to clean their roof gutters and downspouts, many forget about what happens after the water leaves the roof. That’s where downspout lines come in — especially after a Seattle winter. At Bob…

Owner Bob Oates standing with his plumbing crew and company service dog in front of a Bob Oates Plumbing, Sewer & Rooter truck during a residential drain cleaning service in the Seattle area.

Here Are The Questions You Should Ask Your Plumber

By Bob Oates | February 22, 2026

When something goes wrong with your plumbing, most homeowners feel the same pressure: “I need this fixed fast.” But rushing to hire the first available plumber can sometimes lead to higher costs, incomplete repairs, or recurring problems. Not all plumbers operate the same way. Asking a few smart questions up front can help you find…

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Effective Ways To Conserve Water In The Bathroom

By Bob Oates | February 20, 2026

Water conservation isn’t just good for the environment — it’s good for your plumbing system and your wallet. Bathrooms account for a large portion of a home’s daily water use, which means small changes here can lead to big savings over time. For Seattle homeowners, conserving water also helps reduce strain on local infrastructure and…

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Toilet Talk W/ Bob – TP Troubles

By Bob Oates | February 15, 2026

In this episode of Toilet Talk with Bob, Bob Oates breaks down something most homeowners never think twice about — toilet paper. Believe it or not, the type of toilet paper you use every day can play a big role in whether your toilet flushes smoothly or ends up clogged and overflowing. Choosing the right…

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Serving the Greater Seattle Area

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