Buying a home in Colorado is a dream. Whether you’re eyeing a bungalow in the Denver Metro area, a modern condo in Boulder, or a family home in Colorado Springs, the excitement is real. But beneath those manicured lawns and scenic mountain views lies a hidden network of pipes that can turn your dream into a nightmare if you’re not careful.
At Plum Tree Home Inspections, we’ve seen it all. We know that first-time home buyers are often overwhelmed by the long list of "optional" inspections. You’ve probably heard about radon testing (which is a must-have in Colorado) and maybe even hail damage assessments for your roof. But there’s one inspection that often gets sidelined: the sewer scope. Inspector Joshua Bradley is First-Time Home Buyer Friendly and Move-In Certified, so our goal is to make the process feel clear, supportive, and easy to understand from start to finish.
In this guide, we’re pulling back the curtain on the "secrets" of sewer inspections. We’ll explain why this simple video check is the most important thing you can do for your future home and your wallet.
What Exactly is a Sewer Scope Inspection?
Think of a sewer scope as a colonoscopy for a house. We use a high-tech, waterproof camera attached to a long, flexible cable. This camera travels through your main sewer line: the pipe that carries everything from your sinks and toilets out to the city’s main line or your septic tank.
While the camera navigates the dark, wet world of your plumbing, it beams a live, high-definition video feed back to a monitor. This allows us to see exactly what’s happening underground without ever picking up a shovel.
Why "Experts" (and Sellers) Might Downplay It
Sometimes, real estate "experts" or eager sellers might tell you that a sewer scope isn't necessary, especially for newer homes. But here is the secret: no home is immune to sewer issues. Even new builds can have major blockages caused by construction debris like wood, rocks, or even leftover concrete. In older Colorado neighborhoods, the risks are even higher.
The Big Three: Roots, Cracks, and Blockages
When we slide that camera into your pipes, we’re primarily looking for three major red flags that could cost you thousands of dollars down the road.
1. Root Intrusion
Colorado is famous for its beautiful, mature trees. But those trees have thirsty roots that love the moisture and nutrients found inside your sewer lines. Roots can find even the tiniest crack in a clay or cast-iron pipe. Once inside, they grow rapidly, creating a "root ball" that acts like a net, catching toilet paper and debris until the entire line is blocked.
2. Cracks and Collapses
Pipes aren't meant to last forever. Older homes in Denver often use clay pipes, which are brittle and prone to cracking. Once a pipe cracks, sewage can leak into the surrounding soil, eventually causing the pipe to collapse entirely. This isn't just a plumbing issue; it’s a health hazard.
3. Blockages and "Bellies"
A "belly" is a low spot in the pipe where it has sagged into the ground. In Colorado, this is often caused by our unique soil conditions. Water and waste pool in these bellies, leading to chronic clogs and backups.

The Colorado Context: Why Our Soil Matters
Colorado’s geography presents some unique challenges for homeowners. One of the most significant factors is expansive soil. Much of the Front Range sits on clay-heavy soil that expands when it gets wet and shrinks when it dries.
This constant "breathing" of the earth puts immense pressure on your foundation and your underground utilities. Expansive soils can cause sewer pipes to shift, snap, or develop those dreaded bellies we mentioned earlier. If you’re buying in a hilly area like Boulder or the foothills, the slope of your lot can also impact how well your sewer line functions.
Additionally, while you’re likely already checking for hail damage on the roof (another Colorado staple), remember that a damaged roof can lead to poor drainage. If water isn't directed away from the foundation correctly, it can saturate the soil around your sewer line, accelerating movement and potential pipe failure.
Modern Technology for Modern Buyers
At Plum Tree Home Inspections, we don’t believe in guesswork. We use modern sewer camera technology that provides crystal-clear reporting. You won't just get a "thumbs up" or "thumbs down." You’ll receive:
- A full video recording of the inspection.
- A detailed report with timestamps and photos of any problem areas.
- Honest, easy-to-understand explanations of what we found.
We know that as a first-time buyer, the last thing you want is a confusing technical manual. Our job is to educate you so you can make a confident decision. That same practical approach is backed by Joshua’s InterNACHI ID: NACHI26021022 and his certification in Plumbing, which adds valuable insight when we’re evaluating sewer lines and the home’s overall plumbing system.

Is it Worth the Cost?
A sewer scope inspection typically costs a few hundred dollars. In contrast, replacing a main sewer line in Colorado can cost anywhere from $5,000 to $20,000 or more, depending on the depth and location of the pipe.
If we find an issue during the inspection, you have leverage. You can ask the seller to repair the line, credit you for the repair costs, or you can choose to walk away from a potential money pit. Without the scope, you’re flying blind.
For added peace of mind, InterNACHI also offers strong buyer protections, including the $25,000 Honor Guarantee and the InterNACHI Buy-Back Guarantee. These programs can provide extra reassurance as you move through the home-buying process.
Service Areas We Cover
We are proud to serve families across the beautiful state of Colorado. Whether you are looking for a home inspection in the city or the suburbs, we are here to help. Our primary service areas include:
- Denver Metro Area: Including Arvada, Lakewood, Aurora, and Thornton.
- Colorado Springs: Serving El Paso County and the surrounding mountain communities.
- Boulder & Longmont: Navigating the unique historic homes and expansive soils of Boulder County.
- Northern Colorado: Fort Collins, Loveland, and Greeley.

Final Thoughts: Protecting Your Investment
Buying your first home is a milestone. It’s the place where you’ll build memories, and we want to make sure those memories aren't dampened by a sewage backup in your first month of ownership.
A sewer scope isn't about finding reasons not to buy a house; it’s about having a complete picture of the home’s health. If the pipes are clean, you have peace of mind. If they aren't, you have the information you need to move forward safely.
Thank You for Trusting Plum Tree Home Inspections
Thank you for taking the time to learn about your home’s "inner workings." We know you have a lot of choices when it comes to home inspectors, and we appreciate you considering us.
Our relationship doesn't end when the inspection is over. If you have questions about your report or need a recommendation for a local Colorado plumber to fix a root issue, we are always here to help.
Ready to schedule your inspection?
Give us a call today at +17205712498, visit us at 1500 N Grant St Suite R, Denver, CO 80203, or visit our homepage to learn more about our services.
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