Sewer Line Inspections in Oklahoma (Tulsa + Surrounding Areas): What Home Buyers Need to Know

Sewer Line Inspections in Oklahoma (Tulsa + Surrounding Areas): What Home Buyers Need to Know

If there’s one inspection add on service we believe every Tulsa-area buyer should consider, it’s a sewer line inspection (also called a sewer scope or sewer camera inspection).

Why?

Because sewer lines are one of the most expensive “hidden systems” in a home — and unlike a roof leak or furnace issue, sewer problems usually stay invisible until they become urgent (and messy).

Here in Tulsa, Broken Arrow, Bixby, Jenks, Owasso, Glenpool, Sand Springs, Claremore, and BA/South Tulsa, many homes have conditions that increase sewer risk.

Factors That Increase Sewer-Line Risk in Tulsa-Area Homes
Older clay tile or cast-iron sewer pipes
Shifting soils and settlement
Mature trees and root intrusion
Unknown repair history
Flip/remodel work that doesn’t address the buried line

In this guide, we’ll cover what a sewer scope inspection is, what it finds, when it’s worth it, and how to protect yourself as a buyer or homeowner.

If you’re ready to book, check out our service page.

Table of Contents

What Is a Sewer Line Inspection (Sewer Scope)?

What Is a Sewer Line Inspection (Sewer Scope)?

The homeowner is responsible for the sewer line between the home and the connection to the city sewer or their private system. A sewer line inspection uses a specialized waterproof camera to visually evaluate the condition of the home’s main drain — the underground drain line that carries waste from the home to:

  • the municipal sewer main, or
  • an on-site system (septic)
What Is a Sewer Line Inspection (Sewer Scope)?

This is important because a sewer scope is one of the only ways to visually evaluate buried sewer piping without excavation. In a real estate transaction, sellers are required to disclose known sewer issues. However, problems are sometimes not disclosed because a temporary drain cleaning or snaking may have restored short-term flow without addressing the underlying defect. In other cases, sellers may be unaware of recurring or developing issues—or may not realize that prior maintenance does not constitute a permanent repair. A sewer camera inspection provides objective documentation of the line’s actual condition at the time of purchase.

Sewer Scope vs. General Home Inspection.

In Oklahoma, a standard home inspection is intended to be a visual inspection of readily accessible systems and is governed by state standards of practice. Sewer scoping is considered an additional service beyond basic inspection scope.

So, while a general inspection may identify symptoms, a sewer camera inspection confirms the cause. During a home inspection, the inspector will run water but this may not cause the system to malfunction. Inspectors are not able to fully test the system over time with debris and multiple users.

Why Sewer Line Inspections Matter in Tulsa.

Sewer repairs are rarely “cheap.” If a sewer fails, it can really cost you.

What a Sewer-Line Failure Can Really Cost You
Excavation of the yard/driveway
Replacing collapsed sections
Trenchless lining (where applicable)
Tree root removal and repair
Plumbing access and cleanout work

In many cases, homeowner insurance does not cover normal wear-and-tear failures. That’s why some homeowners opt into secondary insurances which cover the line. A good example of this is the City of Tulsa’s voluntary service line warranty program for sewer/water lines. Many home warranties also offer coverage as an add on service option.

Most of these warranties/insurances have a waiting period: So bottom line, if you buy a house with a bad sewer line, it may become your problem immediately after closing. If you opt into having these coverages, you should also be aware that they have plan limits and some exclusions. It is important to review the coverage details carefully.

When Should You Get a Sewer Camera Inspection?

We recommend a sewer scope inspection in all Tulsa-area purchases. We have found issues with drains on new construction and recently replaced lines. While we recommend it as an add on for all home inspections, it’s especially important if any of these apply.

Condition Why It Matters
The home is older than ~30 years The home is older than ~30 years Older Tulsa-area neighborhoods often have aging sewer materials such as clay tile, Orangeburg, or cast iron, which can deteriorate, shift, or corrode internally over time.
There are large trees near the home There are large trees near the home Tree roots are drawn to moisture inside sewer lines and can grow into joints, gaps, or cracks, leading to recurring blockages or pipe damage.
You notice slow drains or gurgling You notice slow drains or gurgling These symptoms can indicate partial blockages or venting issues. A sewer scope confirms whether the problem is occurring in the sewer lateral rather than inside the home.
The home has been vacant The home has been vacant Vacant homes are not regularly testing the sewer system. A new homeowner’s usage may stress the system differently, revealing problems that weren’t apparent while the home sat unused.
The home is a flip or remodel The home is a flip or remodel Flips often focus on cosmetic upgrades, and the sewer line is frequently untested or undocumented. In many cases, the seller may have little to no history of the buried line’s condition.

Not sure what to look for?

Download our Tulsa Sewer Scope Inspection Buyer Checklist and bring it with you to inspections and walkthroughs.

Download the checklist

What Problems Can a Sewer Scope Find?

A sewer camera inspection can reveal issues like:

Common Sewer Line Defects Found During Camera Inspections
Severity Common Defects Recommended Action
Minor Blockages and Heavy Buildup Blockages and Heavy Buildup Grease, wipes, debris, or foreign objects (including construction debris or household items) restricting flow. Professional cleaning recommended. Continued monitoring advised to prevent recurrence or escalation.
Moderate Root Intrusion Root Intrusion Roots enter through joints or cracks, creating recurring clogs and restrictions. This is one of the most common sewer defects we see in the Tulsa area. Clean roots and monitor. Further evaluation by a licensed plumber may be recommended depending on severity and frequency.
Moderate Offset Joints or Separations Offset Joints or Separations Pipe sections that have shifted due to soil movement. Tulsa’s expansive soils commonly contribute to this condition. Plumbing evaluation recommended. Repairs may be needed depending on offset severity and flow restriction.
Moderate Improper Repairs or Transitions Improper Repairs or Transitions Including improper couplings, poor alignment, incorrect materials, or improper connections. Further evaluation by a qualified plumber. Corrections may be recommended to reduce failure risk.
Moderate to Severe Bellies / Sagging Pipe Bellies / Sagging Pipe A low section of pipe where water and waste collect instead of flowing properly, allowing debris to accumulate over time. Further evaluation by a plumber. Repair or correction is often recommended if buildup or backups are present.
Severe Cracked, Broken, Damaged, or Collapsed Pipe Cracked, Broken, Damaged, or Collapsed Pipe Structural failure of the sewer line that prevents proper operation. Repair or replacement by a licensed plumbing contractor is typically required.

What Does the Sewer Line Inspection Process Look Like?

At Assured Home Inspectors, a sewer scope typically involves:

1

Locating an access point (cleanout preferred but we can also sometimes inspect from a roof vent).

2

Running a camera through the sewer main drain and recording the video.

3

Identifying defects, restrictions, and pipe material.

4

Documenting observed issues.

5

Advising what type of specialist is needed (plumber, drain specialist, excavation contractor).

Watch a Real Sewer Camera Inspection in Action.

Seeing it is helpful—knowing what it means is better.

Download our Sewer Scope Inspection Buyer Checklist to understand what inspectors look for and how to respond if issues are found.

Get the Buyer Checklist

Is a Sewer Scope Worth It?

Yes — especially during a purchase. A sewer scope inspection is one of the highest ROI inspections because it can prevent many things.

What a Sewer Scope Inspection Helps You Avoid
Surprise emergencies after move-in
Major sewer excavation costs
Resale headaches
Insurance denials (wear/tear)
Ugly disclosure issues later

The cost of the inspection vs the cost of potential repairs is why we recommend this be added on with every home inspection.

Even if the line is perfect, you gain:

  • Documentation
  • Peace of mind
  • Knowledge to make an informed decision

Tulsa-Specific Sewer Red Flags Buyers Should Know.

Here are sewer-related warnings we commonly see in Tulsa-area transactions:

Warning Sign Why It Matters
No visible exterior cleanout No visible exterior cleanout Lack of an accessible cleanout can limit inspection options and may increase the cost and complexity of future sewer service or repairs.
Large trees between the house and city sewer Large trees between the house and city sewer Tree roots are commonly drawn to sewer lines and can enter through joints or cracks, leading to recurring blockages or pipe damage.
Interior plumbing backups in tubs or showers Interior plumbing backups in tubs or showers Backups in lower fixtures often indicate restrictions or failures in the main sewer line rather than isolated interior plumbing issues.
Stains around toilets or baseboards Stains around toilets or baseboards Staining may indicate past backups, leaks, or moisture intrusion related to sewer or drain issues.
Yard depressions or soggy patches Yard depressions or soggy patches Sunken areas or consistently wet soil can signal a leaking or damaged sewer line underground.
Odors near bathrooms or in the yard Odors near bathrooms or in the yard Sewer odors may indicate venting issues, blockages, or breaks in the sewer line allowing gases to escape.

Free Sewer Scope Inspection Buyer Checklist (Tulsa, OK)

Free Sewer Scope Inspection Buyer Checklist (Tulsa, OK)

What to check, photograph, and negotiate before you close. Download our Sewer Scope Inspection Buyer Checklist to help you:

  • Spot red flags during showings
  • Know what to photograph and document
  • Ask the right questions before closing
  • Protect your negotiating position if defects are found




    Oklahoma Disclosures and Why a Sewer Scope Still Matters.

    Oklahoma uses the Residential Property Condition Disclosure Act (RPCDA) framework and related disclosure forms for many residential transactions. Even with disclosures, sewer risk remains.

    Why Sewer Line Risk Still Exists—Even With Seller Disclosures
    Sellers may not know line condition
    Issues may be intermittent
    Repairs may be incomplete
    Buyer still bears major risk after closing
    Typically at close you are agreeing to buy the home in as-is/where-is condition

    A sewer scope is how buyers protect themselves with hard evidence. If there is a defect, the current homeowner does not have to fix the issue, but if they don’t, you don’t have to buy the home. They are responsible for disclosing the issue(s) to any other buyers in the future.

    FAQs Sewer Line Inspections in Tulsa, OK

    Cost depends on access, length, and property configuration. The best approach is to book it as an add-on during your home inspection window. AHI charges $225 for adding on a sewer-line camera inspection.
    A general home inspection may identify symptoms like slow drains or gurgling, but it cannot confirm the condition of the buried sewer line. A sewer camera inspection is needed to identify issues such as root intrusion, bellies, separations, or pipe damage.
    In most cases, the homeowner is responsible for the sewer line from the home to the connection at the city sewer main. This typically includes the pipe beneath the home and the portion running through the yard up to the municipal connection.
    Root intrusion occurs when tree roots enter a sewer pipe—most often through joints or small cracks. As the roots grow, they restrict flow and can lead to recurring clogs, backups, or pipe damage.
    Yes. New builds can still have construction debris in the line, improper slope (bellies), and improper connections. A sewer scope documents the line condition early while warranties are still in play.

    Book a Sewer Line Inspection in Tulsa (AHI).

    A sewer line problem can turn into a nightmare fast — and it’s one of the easiest issues to miss without the right tools. If you want a clear, professional sewer camera inspection in Tulsa and surrounding areas, Assured Home Inspectors is ready to help.

    Not Ready to Schedule Yet? Start With the Checklist. If you’re still in the research or showing phase, our Sewer Scope Inspection Buyer Checklist gives you a clear, practical way to:

    • Identify warning signs early
    • Document issues properly
    • Understand next steps before committing

    Download the Free Checklist

    Learn more about our sewer inspections, or call/text us anytime at 918.853.5113.

    Assured Home Inspectors serves Tulsa, Broken Arrow, Bixby, Jenks, Owasso, Glenpool, Sand Springs, Claremore and nearby communities.