Best Sewer Inspection Companies in South King County, Washington
Whether you are buying a home in Kent, dealing with slow drains in Federal Way, or planning a remodel in Auburn, the condition of your main sewer line matters more than most homeowners realize. Choosing from the best sewer inspection companies in South King County gives you clear video footage of what is happening underground, along with honest guidance on what to do next. Many neighborhoods in the region have tree roots, older clay or cast iron sewer pipes, and soil that shifts after heavy rain, all of which can quietly damage a line for years. Knowing what a thorough camera look at your sewer line should include makes it much easier to choose the right company with confidence.
Here is what this guide covers:
- Why a professional sewer inspection is worth scheduling
- Seven companies offering sewer inspections across South King County
- What a quality inspection report should include
- How plumbing companies and home inspectors compare for this work

Why a Professional Sewer Inspection Pays Off
A sewer line can look perfectly fine from inside the house while roots, cracks, or sagging sections build up underground. By the time sewer problems like backups, flooding in the basement, or soggy lawn patches appear, the damage often leads to costly repairs. A professional camera inspection replaces guesswork with real footage, so homeowners can make informed decisions before small problems become emergencies.
Here is why an inspection is worth the time:
- Protection Before You Buy: A sewer inspection is usually a separate service from a general home inspection, so scheduling one before closing can reveal hidden problems while there is still time to negotiate.
- Accurate Diagnosis: A recurring clogged drain can come from roots, grease, toilet paper buildup, a belly in the pipe, or leaks, and the camera shows exactly which one is to blame.
- Targeted Repairs: When a technician can pinpoint the location and depth of a problem, repairs can focus on that section instead of the entire line, which helps you save money.
- Documented Proof: Video footage and written reports help with real estate negotiations, second opinions, and future maintenance planning.
- Peace of Mind: A clean result is valuable too, because it confirms your plumbing system is healthy and lets you plan routine maintenance with confidence.
That separate scheduling step is easy to overlook. According to InterNACHI, a sewer scope is not required under its Home Inspection Standards of Practice, although many inspectors offer it as an add-on service. Homebuyers who assume the line was covered in a general inspection can miss problems that cost thousands to fix later.
7 Sewer Inspection Companies Serving South King County
South King County is home to a mix of sewer specialists, full-service plumbing companies, and home inspection firms that offer sewer scopes. The companies below were selected based on their service areas, inspection offerings, and focus on clear documentation. Each brings a slightly different strength, so the best fit for your property depends on whether you need an inspection alone or an inspection followed by repair.
1. Brewer Sewer
Brewer Sewer specializes in sewer services from diagnosis to repair and replacement, with camera inspections at the center of every recommendation. The experienced team reviews footage with homeowners so they understand exactly what was found and why a particular repair is or is not needed. Because the same team handles both inspection and repair, customers get one clear plan and great communication instead of conflicting opinions.
- Sewer camera inspections for home purchases, recurring clogs, and routine checkups
- Clear explanations of footage and findings
- Trenchless sewer repair, pipe relining, and pipe bursting options
- Hydro jetting for root removal and major blockages
- Service across King County and surrounding areas
2. WIN Home Inspection Kent/Federal Way
WIN Home Inspection Kent/Federal Way offers sewer scope inspections as part of its home inspection services, using scope cameras to record a video inspection of the lateral line from the house to the public sewer. The company provides a detailed report designed to help buyers and owners understand the condition of the line before problems grow.
- Video inspections of the lateral sewer line
- Detailed written reports
- Service in Kent, Federal Way, and Seattle
3. Boggs Inspection Services
Boggs Inspection Services provides sewer scope and septic inspections throughout the South Sound, including Kent, Auburn, and Federal Way. The company emphasizes the value of scoping older homes, where outdated pipe materials such as Orangeburg may still be in use and prone to collapse.
- Sewer scope and septic inspections
- Focus on older homes and outdated pipe materials
- Broad South Sound service area
4. Aardvark Rooter
Aardvark Rooter is a drain and sewer specialist that performs sewer camera video inspections with licensed technicians. Its service area covers much of South King County, including Kent, Auburn, Federal Way, Des Moines, Covington, and Maple Valley. Because the company also handles drain cleaning and sewer repair, homeowners can move from diagnosis to repair with the same team, which helps the job move efficiently.
- Sewer camera video inspections and side sewer inspections
- Drain cleaning and sewer repair services
- Service for both homeowners and businesses
5. Titan Inspection Services
Titan Inspection Services is a home inspection company that has completed more than 3,000 sewer scopes and earned over 2,000 five-star Google reviews, according to the company. Its South Sound coverage includes Renton, Kent, Federal Way, and Maple Valley, making it a common choice for buyers who want a sewer scope alongside a full home inspection.
- Sewer scopes paired with full home inspections
- Large volume of completed sewer scopes
- Coverage from Seattle to the South Sound
6. Supreme Tier Plumbing
Supreme Tier Plumbing is based in Federal Way and provides sewer scope and camera inspection services for homeowners throughout King County. The company uses a high-definition waterproof camera to check for roots, cracks, buildup, offset joints, and collapsed sections without excavation, and it is licensed, bonded, and insured in Washington.
- High-definition sewer camera inspections
- Residential plumbing services from inspection through repair
- Licensed, bonded, and insured
7. JC Plumbing
JC Plumbing offers sewer camera inspections across Federal Way, Tacoma, and a wide stretch of South King County, including Auburn, Burien, Des Moines, and Kent. The company advertises no dispatch fees on camera inspections and offers financing, which can be helpful when an inspection leads to a larger repair.
- Sewer camera inspections with no dispatch fees
- Financing options available
- Service across South King County and Pierce County
Each of these companies can provide useful footage, but the right choice depends on your situation. Buyers often lean toward inspection firms for a neutral report, while homeowners facing active problems may prefer a company that can inspect and repair under one roof. When hiring, it also helps to read reviews from satisfied customers and ask about free estimates and fair prices before work begins.

What a Quality Sewer Inspection Report Should Include
Not every sewer inspection delivers the same level of detail. A strong report gives you enough information to understand the condition of the line, compare repair options, and share findings with a buyer, seller, or second contractor. Before scheduling, it helps to ask whether the company provides each of the elements below.
- Full Video Footage: A digital copy of the entire inspection video, not just a few still images, so you can review the line yourself or share it with another professional.
- Distance Markers: Notes showing how far from the access point each defect appears, which helps pinpoint problem areas.
- Defect Descriptions: Clear explanations of what each issue is, such as roots, offsets, bellies, cracks, or corrosion.
- Pipe Material Identification: Confirmation of whether the line is clay, cast iron, PVC, or an older material that may need special attention.
- Location and Depth Marking: When needed, a locator can mark the problem spot on the ground so any repair stays small and precise.
- Recommended Next Steps: Practical guidance on whether the line needs hydro jetting for tough blockages, regular maintenance, a spot repair, or replacement.
A report that includes these details is far more useful than a quick verbal summary. If a company cannot explain what its report includes, it is worth asking more questions before booking.
Plumbing Companies vs. Home Inspectors for Sewer Inspections
Sewer inspections in South King County are offered by two main types of providers: plumbing or sewer companies and home inspection firms. Both can deliver valuable footage, but they serve slightly different purposes. Understanding the difference helps you choose the right provider for your situation.
| Factor | Plumbing or Sewer Company | Home Inspection Firm |
| Primary focus | Diagnosis followed by repair | Neutral documentation for buyers |
| Best for | Active problems like clogs or backups | Real estate transactions |
| Ability to clear blockages | Often available on the same visit, including hydro jetting | Usually not offered |
| Repair recommendations | Detailed, with specific repair options | General, often suggesting a specialist |
| Repair services | Frequently provided in-house, from sewer to water line repair | Not typically provided |
| Bundling | May combine with drain cleaning | May combine with a full home inspection |
Either way, most inspections start the same way, with a camera inserted through an accessible cleanout or toilet. For buyers who want an unbiased snapshot of a home they are purchasing, an inspection firm can be a strong fit. For homeowners dealing with recurring clogs, odors, or backups, a sewer company that can clear the line, inspect it, and explain repair options in one visit often saves time and money.
Some homeowners use both. A home inspector may flag a concern during a purchase, and a sewer specialist then provides a second look and a detailed repair plan. If repairs are needed, trenchless sewer repair is a modern, non invasive technique that uses structural relining to create a new pipe inside the old one, or pipe bursting to replace it. It often saves money on driveway and lawn restoration while limiting construction mess and disruption to your daily routine.

Get Clear Answers About Your Sewer Line
Your sewer line is one of the most important systems in your home, and one of the hardest to evaluate without the right tools. A professional camera inspection gives you real footage, accurate answers, and the confidence to make smart decisions about preventative maintenance, repairs, or a home purchase.
Brewer Sewer helps homeowners throughout South King County understand the true condition of their sewer lines with detailed camera inspections and straightforward recommendations. If you are buying a home, dealing with slow drains, or simply want peace of mind, contact us today to schedule your inspection and protect your sewer system for years to come.
