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.
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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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How to Tackle Roots in Pipes

By Bob Oates | August 6, 2026

The Pacific Northwest is a beautiful place in which to live and raise a family. However, two of the things that make it beautiful are the trees and rainfall. Unfortunately, these two aspects combined can wreak havoc on your sewer system with the infiltration of tree roots. When you see all the leaves and greenery…

5 Tips to Avoid a Major Sewer Repair Bill in The Future

By Bob Oates | July 31, 2026

A major sewer line problem can be one of the more disruptive repairs a homeowner encounters. While not every sewer issue can be prevented — aging pipes, shifting soil, tree root invasion, and other conditions can develop regardless of how carefully you maintain your plumbing — good everyday habits can make a real difference. Many…

Plumbing Emergency: 5 Things to Do When You Hit a Water Line

By Bob Oates | July 22, 2026

Whether you’re installing a fence, planting a tree, replacing a faucet, or tackling another home improvement project, accidentally damaging a water line can quickly turn into a plumbing emergency. In some cases, a broken water line can release hundreds of gallons of water in a short amount of time, leading to costly damage if it…

DIY Drain Cleaning Tips to Try Before Calling a Plumber

By Bob Oates | July 17, 2026

A slow-draining sink or backed-up shower is one of the most common plumbing problems homeowners face. Fortunately, not every clogged drain requires an immediate service call. Many minor drain clogs can be improved with a few safe, do-it-yourself techniques using items you may already have at home. The key is knowing which DIY drain cleaning…

Important Questions to Ask Your Drain Cleaning Company

By Bob Oates | July 6, 2026

You can never go wrong with hiring professionals for any job, especially when it comes to drain cleaning. If you’re considering hiring professionals to clean your drains, there are a few questions that you should always ask before hiring a drain cleaning company. Our team here at Bob Oates Sewer & Rooter is proud to…

Is Pipe Lining a Long-Term Answer to Sewer Damage?

By Bob Oates | June 24, 2026

When homeowners learn about trenchless sewer repair, one of the first questions they often ask is whether sewer pipe lining is truly a long-term solution or simply a temporary fix. Bob Oates Plumbing, Sewer & Rooter is here with the answer: Modern sewer pipe lining provides results that are comparable to traditional sewer replacement while…

Why We Often Recommend Trenchless Sewer Repair

By Bob Oates | June 23, 2026

A damaged sewer line can quickly become one of the most disruptive problems a homeowner faces. Recurring drain backups, sewer odors, slow drains, and soggy areas in the yard may all indicate an issue beneath the surface. Traditionally, repairing a sewer line often meant extensive excavation across lawns, driveways, patios, and landscaping. Today, modern trenchless…

When’s the Best Time for A Sewer Pipe Relining?

By Bob Oates | June 21, 2026

A damaged sewer line rarely fixes itself. In fact, most sewer problems gradually worsen over time, eventually leading to recurring drain backups, foul odors, slow drains, and expensive repairs. Many Seattle homeowners ask whether there is a “best” time of year to schedule sewer pipe relining. The short answer is simple: the best time for…

4 Main Causes of Cracked Sewer Pipes

By Bob Oates | June 19, 2026

Cracked sewer pipes are a common cause of recurring drain backups, slow drains, sewer odors, and unexpected plumbing repairs. While modern sewer lines are designed to last for decades, age, environmental conditions, tree roots, and installation issues can all contribute to pipe damage over time. Fortunately, a professional sewer camera inspection can often identify a…

Cost-Effective Advantages of Trenchless Pipe Lining

By Bob Oates | June 18, 2026

When a sewer line begins to crack, leak, separate, or become blocked by tree roots, many homeowners assume a major excavation project is unavoidable. Fortunately, modern trenchless sewer pipe repair methods often provide a faster and more cost-effective solution. At Bob Oates Plumbing, Sewer & Rooter, we help Seattle-area homeowners restore damaged sewer lines using…

CALL (206) 789-4944

Serving the Greater Seattle Area