Most Trusted Plumber in Magnolia, Seattle

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CALL (206) 789-4944

Serving the Greater Seattle Area

Book Appointment Online

Homeowners in the Magnolia neighborhood of Seattle count on Bob Oates when they experience problems big or small with respect to their plumbing or sewer systems. Our team is proud to have many repeat customers within this community!

The techs at Bob Oates Sewer and Rooter specialize in trenchless sewer repair methods. Because our trenchless pipe lining work is non-invasive, we keep the costs of repairs low and ensure that your routine is restored to normal ASAP.

Our repair solutions are not only cost-effective — they maintain the integrity of your property as well.

For more information about how our services can assist you, call the team at Bob Oates anytime or schedule an appointment online today!

Service offerings include:

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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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Professional plumbers preparing hydro jetting equipment to clean a residential sewer line

Is Hydro Jetting A Safe Drain Cleaning Method? Everything Seattle Homeowners Need To Know

By Bob Oates | December 29, 2025

When drains slow down or back up, homeowners often worry that aggressive cleaning methods could damage their plumbing. Hydro jetting, in particular, tends to raise questions because of the pressure involved. When performed professionally — and for the right type of clog — hydro jetting is one of the safest and most effective drain-cleaning methods…

Homeowners dealing with a DIY plumbing issue under a kitchen sink after a drain problem

Why DIY Drain Snaking Is Discouraged (And What to Do Instead)

By Bob Oates | December 28, 2025

A clogged drain is frustrating — especially when it happens suddenly. For many homeowners, the first instinct is to grab a store-bought drain snake and try to fix the problem themselves. While DIY drain snaking may seem like a quick, inexpensive solution, it often causes more damage than homeowners realize. At Bob Oates Plumbing, Sewer…

Santa wearing a tool belt filled with plumbing tools, representing common plumbing issues during the holiday season in Seattle homes

Top Reasons Plumbing Issues Occur During Holidays

By Bob Oates | December 21, 2025

The holiday season brings family gatherings, home-cooked meals, and out-of-town guests — but it also puts extra strain on your home’s plumbing system. With more people under one roof and more water being used throughout the day, plumbing issues are far more common around holidays like Thanksgiving and Christmas. As your trusted Seattle-area plumber, Bob…

Bob Oates crew finishing a trenchless sewer cleanout and cured-in-place-pipe lining installation.

Why Cleaning Your Sewer Is Important

By Bob Oates | December 7, 2025

Your home’s sewer line is one of the most important — and most overlooked — parts of your plumbing system. It quietly carries wastewater away from your home every day, often without issue. But when a sewer line becomes clogged or damaged, the consequences can be messy, expensive, and even hazardous to your health. Routine…

Bob Oates van and equipment at residential sewer job, Bellevue, WA

Bob Oates Is the Home of the Second Opinion!

By Bob Oates | November 24, 2025

Why Getting a Second Opinion Matters — And Why Seattle Homeowners Trust Bob Oates When something goes wrong with your plumbing or sewer system, you’re not just dealing with inconvenience — you’re making an important investment in your home. That’s why getting a second opinion is one of the smartest steps a homeowner can take.…

Standing water and food debris in a kitchen sink due to a clogged drain.

What Causes Clogged Drains? Here Are the Most Common Culprits

By Bob Oates | November 24, 2025

Clogged drains are one of the most common plumbing problems for Seattle homeowners — but the causes aren’t always as obvious as they seem. From everyday hygiene products to tree roots in pipes deep underground, there are many ways buildup can sneak into your plumbing system over time. At Bob Oates Plumbing, Sewer & Rooter,…

Shower floor drain with tile flooring showing early signs of buildup and staining.

How to Keep Your Bathroom Drains Clog-Free

By Bob Oates | November 23, 2025

Bathroom drains take a beating. Between hair, soap, toothpaste, skincare products, and everyday use, it doesn’t take long for buildup to form inside the pipes. Over time that buildup turns into slow draining, standing water, odors, or full blockages — clogged drains that may require professional attention. The good news? With a few simple habits and…

Thanksgiving dinner table with mashed potatoes, cranberry sauce, casseroles, and serving dishes, featuring the Bob Oates Plumbing, Sewer & Rooter logo for a blog about holiday plumbing tips.

Thanksgiving Plumbing Tips: Keep Your Seattle Home Running Smoothly This Holiday Season

By Bob Oates | November 17, 2025

Hosting Thanksgiving? Here’s how to prevent clogs, protect your pipes, and avoid surprise plumbing emergencies. Thanksgiving is one of the busiest days of the year for household plumbing — especially here in Greater Seattle, where cold weather, older homes, and heavy kitchen and bathroom traffic all combine to put serious pressure on your drains. If…

Dual tankless water heater setup installed by Bob Oates Plumbing for increased hot water capacity.

Choosing the Right Water Heater for Your Seattle Home

By Bob Oates | November 10, 2025

When temperatures drop around Puget Sound, your water heater works overtime. Long showers, extra laundry, and heavier hot-water demand can push aging systems to their limit. Whether you own a traditional tank model or an energy-efficient tankless unit, keeping it in top shape is key to comfort, safety, and lower utility bills. At Bob Oates…

Seattle plumber fixing a kitchen sink pipe — 5 quick plumbing tips from Bob Oates Plumbing, Sewer & Rooter.

5 Quick Plumbing Tips to Keep Your Pipes in Check

By Bob Oates | November 2, 2025

Your home’s plumbing system works hard behind the scenes — delivering clean water, moving wastewater away safely, and keeping everyday routines running smoothly. But like anything that gets constant use, your pipes and fixtures need regular care to stay reliable. A little maintenance now can prevent expensive problems later. Here are five quick, practical plumbing…

Washington State favicon with star for Seattle

CALL (206) 789-4944

Serving the Greater Seattle Area

Book Appointment Online