Most Trusted Plumber in Wallingford, Seattle

CALL (206) 789-4944

Serving the Greater Seattle Area

Homeowners and businesses in Seattle’s Wallingford neighborhood rely on Bob Oates Plumbing, Sewer and Rooter for quality plumbing and sewer solutions backed by decades of experience.

From older craftsman homes to newer remodels to local businesses, our team handles every type of system with care. We specialize in trenchless pipe lining methods, which are non-invasive, no-dig solutions that speed up repairs while keeping the costs low.

Check out our services below:

  • Plumber in Wallingford — Our plumbing experts handle everything from routine maintenance to complex installations and repairs for both homes and businesses.
  • Frozen Pipes Wallingford — When pipes freeze, we provide safe and effective thawing services and preventive solutions to keep your plumbing protected.
  • Rooter Service Wallingford — Our rooter service clears out tough obstructions from your drainage and sewer lines, restoring proper function.
  • Toilet Repair Wallingford — Whether your toilet is leaking, clogged, or not flushing properly, our repair services will get it working again, and fast.
  • Water Heater Repair Wallingford — For any issues with your water heater, from inconsistent temperatures to strange noises, we provide expert repair or replacement services.

Schedule Your Appointment Today

To learn more about our services and to receive your free estimate and quote, give us a call!

You may also fill out our online form to schedule your appointment.

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

We look forward to serving you!

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Rated 5 Stars by Johanna G.
via Yelp.com

"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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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…

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…

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…

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…

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…

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…

Common Causes of Shower Drain Clogs (And How to Prevent Them)

By Bob Oates | February 14, 2026

A slow or clogged shower drain is more than just an inconvenience — it’s often an early warning sign of buildup forming inside your plumbing system. Left unaddressed, small blockages can turn into stubborn clogs, foul odors, or even larger drainage issues affecting sinks, toilets, and sewer lines. Understanding what causes shower drain clogs is…

Toilet Tips: When to Put Down The Plunger and Call a Professional Plumber

By Bob Oates | February 11, 2026

A clogged or malfunctioning toilet is one of the most frustrating plumbing problems homeowners face. Sometimes, a quick plunge solves the issue (and Bob made a helpful Plunging 101 video that covers it in detail!). Other times, it’s a warning sign of a deeper problem that shouldn’t be handled with DIY methods. Knowing when it’s…

4 Ways Your Plumbing Might Be Wasting Your Money

By Bob Oates | February 6, 2026

Indoor plumbing is one of the great advances of modern life. We enjoy hot showers, reliable toilets, and clean water every day — often without giving much thought to the systems behind the walls that make it all possible. But when plumbing systems aren’t properly maintained, small inefficiencies can quietly add up to big costs.…

4 Ways To Keep Your Plumbing Happy

By Bob Oates | February 1, 2026

Your plumbing system works quietly behind the scenes every day — until something goes wrong. Clogged drains, sewer backups, slow toilets, and foul odors often trace back to small habits that build into big problems over time. The good news? A few simple preventative steps can go a long way toward protecting your pipes, extending…

CALL (206) 789-4944

Serving the Greater Seattle Area