Here Are The Questions You Should Ask Your Plumber

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 a professional who’s qualified, transparent, and focused on solving the root cause — not just the symptom.

Use the questions below as a homeowner’s checklist before hiring a plumber in Seattle or the surrounding area.

1. Are You Licensed and Insured in Washington State?

This is the first question to ask — and a non-negotiable one at that.

A qualified plumber should:

• Hold a valid Washington State plumbing contractor’s license

• Carry liability insurance

• Carry workers’ compensation coverage

Licensing helps ensure the technician has proper training and meets state requirements. Insurance protects you if an accident or property damage occurs.

If a company hesitates to provide this information, that’s a red flag.

2. What Type of Plumbing Work Do You Specialize In?

Plumbing is a broad field. Some companies mainly handle fixture repairs, while others focus heavily on sewer and drain systems.

Ask if the company regularly performs:

• Plumbing repairs

• Drain cleaning services

• Sewer repair

• Trenchless sewer repair

• Sewer camera inspections

• Water heater repair

• Water main repair

A company experienced across these areas is better equipped to diagnose complex problems and recommend the right solution.

3. Do You Perform a Camera Inspection Before Major Sewer or Drain Work?

For drain and sewer issues, a professional inspection should come before major cleaning or repair.

A sewer camera inspection allows the plumber to:

• See inside the pipe

• Identify the exact cause of the problem

• Locate damage, roots, buildup, or collapses

• Choose the safest and most effective repair method

Without inspection, repairs are often guesswork.

4. Will You Explain What’s Causing the Problem?

A reputable plumber should be willing — and able — to explain:

• What’s wrong

• Why it happened

• What options are available

• Pros and cons of each solution

You shouldn’t feel rushed, confused, or pressured. Clear communication builds trust and leads to better long-term outcomes.

5. Do You Offer Flat-Rate Pricing or Hourly Billing?

Understanding pricing structure upfront prevents surprises.

Ask:

• Is pricing flat-rate or hourly?

• Will I know the price before work begins?

• Are there any potential additional charges?

Many homeowners prefer flat-rate pricing because it provides clarity and budget certainty.

6. What Drain Cleaning Methods Do You Use?

Not all drain cleaning is the same.

Professional companies may use:

• Mechanical snaking / cabling

• Power rodding

• Hydro jetting (high-pressure water cleaning)

7. Do You Use Chemical Drain Cleaners?

Strong chemical drain cleaners can:

• Weaken older pipes

• Create leaks

• Harm septic systems

• Pose safety risks

Professional plumbers primarily use mechanical, environmentally safe methods. If chemicals are part of a company’s standard approach, consider that a caution sign.

8. Do You Provide Warranties or Guarantees?

Any reputable plumbing company should stand behind its work.

Ask:

• Is labor covered?

• Are parts covered?

• How long does the warranty last?

Written warranties offer peace of mind and demonstrate confidence in workmanship.

9. Will You Clean Up After the Job?

Plumbing repairs can be messy — but cleanup should be part of professional service.

Confirm that the technician will:

• Remove debris

• Leave work areas clean

• Protect floors and surfaces

Respect for your home is a hallmark of quality service.

10. What Long-Term Solutions Do You Offer?

Some plumbers focus only on short-term fixes. A better question is:

“How can I prevent this from happening again?”

Depending on the issue, long-term options may include:

• Trenchless sewer pipe lining

• Pipe replacement

• Preventive drain maintenance

• Strategies to control tree root invasion

A plumber who discusses prevention is thinking beyond today’s repair.

11. How Long Has Your Company Been Serving the Area?

Longevity matters.

Established local companies:

• Rely on reputation

• Stand behind warranties

• Have deep experience with regional pipe materials and soil conditions

Choosing a long-standing Seattle plumbing company adds another layer of reliability.

12. How Soon Can You Respond in an Emergency?

Plumbing emergencies don’t wait.

Ask about:

• Emergency service availability

• Typical response times

• After-hours options

Knowing this in advance can save valuable time during a crisis.

Bonus Tip: Trust Your Instincts

If a plumber avoids questions, pressures you, or won’t explain the work — keep looking.

A professional plumber welcomes informed homeowners.

The Bottom Line

Asking the right questions helps you hire a plumber who is licensed, transparent, experienced, and focused on solving the root cause — not just clearing today’s symptom.

At Bob Oates Plumbing, Sewer & Rooter, we’ve proudly served Seattle and surrounding communities for over 30 years. From plumbing repairs and drain cleaning to sewer inspections and trenchless sewer repair, our team delivers honest answers, clear pricing, and lasting solutions.

Contact us today to schedule service or ask your questions — we’re here to help.