The Most Trusted Plumber in Seattle, WA

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CALL (206) 789-4944

In the sprawling and artistic community of Seattle, Washington, our team at Bob Oates understands how important it is for businesses and homeowners to have functioning sewer systems on a day-to-day basis.

We do everything in our power to ensure that our services are fast and affordable so that our customers don’t have to experience significant downtime or inconvenience as a result of our work. Combined with modern technology and friendly staff, Bob Oates is the only company you need to call for your concerns involving your plumbing.

If you need a reliable plumbing company, Bob Oates should be your first call. We're a family-run business that's been part of the Seattle community for over 30 years — and we're just getting started!

Fully licensed and insured, we finish repairs as quickly as possible, keep your home spotlessly clean the entire time, and ensure your costs remain as low as possible.

Three Bob Oates Plumbing, Sewer & Rooter technicians standing beside company service vehicles during a residential service call in the Seattle area.

Delivering plumbing solutions with a smile! Bob Oates technicians on-site for a service call in Greater Seattle.

Check out our services below for assistance, and we will be happy to serve you.

  • Plumber in Seattle, WA — When you need plumbing services, we are the company to do the job right. We do all types of plumbing jobs, both residential or commercial.
  • Sewer Repair Seattle, WA — Whether your sewer pipes are broken, full of tree roots, or simply clogged, we will put them right again. We'll use a camera to pinpoint the problem area, which helps us finish sewer repair quickly and easily.
  • Trenchless Sewer Repair Seattle, WA — We can fix broken or clogged sewer lines without excavating! Using trenchless sewer repair, we will restore the structure of your pipes internally without messy and disruptive digging.
  • Frozen Pipes Seattle, WA — When temperatures dip down low and your pipes freeze, we can thaw them. We will also recommend ways to prevent them from ending up as frozen pipes.
  • High-Pressure Water Jetting Seattle, WA — This is an economical, efficient, and environmentally safe method to clean and clear drain and sewer pipes. With water jetting, we use a special hose nozzle that directs jets of water through the pipes to unclog them.
  • Rooter Service Seattle, WA — Rooter service is the process of cleaning and clearing all types of stubborn drainage or sewer lines. We will remove those tough clogs and get your drains flowing again!
  • Sewer Camera Inspection Seattle, WA — We insert a high-resolution video camera into your pipes and inspect the entire length to determine exactly where the problem is. Sewer camera inspection cuts down on guesswork, costs, and unnecessary digging.
  • Sewer Pipe Relining Seattle, WA — A part of the trenchless method, sewer pipe relining uses adhesive to attach a new lining in the pipe, rather than digging up and replacing it. This technology, called cured-in-place pipe (CIPP) lining, will last at least 50 years.
  • Toilet Repair Seattle, WA — Whether your toilet is clogged, running, or leaking, we'll do our best to get it working right again. We only recommend replacing it if we determine that toilet repair may not fully rehabilitate it.
  • Water Heater Repair Seattle, WA — If your water is not as hot as usual or you notice strange pops, cracks, or other loud sounds, let us look at it and provide water heater repair. We'll always fix it if we can, but if it's more than 12 years old, it may be time to replace it.
  • Water Main Repair Seattle, WA — Should your water bill suddenly increase, or if you notice water spots, mold, or mildew growth, your water main lines may need repairing. We'll conduct a thorough water main repair before any more damage occurs.

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Schedule an Appointment Today

At Bob Oates, we always provide free quotes and estimates. We also offer easy payments and local bank financing.

Call today to find out about our residential and commercial plans and services. You may also schedule an appointment with our plumbing company by filling out our online form.

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

Cal Raleigh, “Big Dumper,” holding a bat alongside Bob Oates Plumbing mascots Poopy the Plunger and friends, with the Seattle skyline in the background.

And Be Sure to Visit Our Big Dumper & Friends Page!

Poopy the Plunger, a smiling plunger mascot from Bob Oates Plumbing’s Big Dumper & Friends campaign at a baseball field
Paulie Pipes, a pipe-shaped plumbing mascot wearing a Bob Oates cap and enjoying ballpark snacks during a baseball game

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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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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…

Toilet Keeps Running! Fix it With This Easy Guide

By Bob Oates | January 20, 2026

Your toilet flushes just fine, but it doesn’t know when to quit. Your toilet keeps running! Even when it occasionally stops, it eventually starts up again suddenly. No matter how often it occurs, it’s wasting a lot of water — and toilets are already responsible for the most water consumption in the average home. On…

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…

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…

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…

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 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.…

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,…

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Serving the Greater Seattle Area