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*The Angi rating for Septic Tank Service companies in Sumner, TX is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

*The HomeAdvisor rating for Septic Tank Service companies in Sumner, TX is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

Last update on May 09, 2026

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Avatar for Underwood Plumbing and Septic
Underwood Plumbing and Septic
5.0(
8
)

Serving Sumner, TX and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

Underwood Plumbing and Septic is your go-to solution for all plumbing and septic needs in Collin, Fannin, Grayson, Lamar and Delta Counties. Our team of expert plumbers and technicians offers top-notch services, including plumbing installations, repairs and specialized septic system maintenance. Whether you need a quick fix or a complete system overhaul, our professionals are dedicated to delivering efficient and reliable solutions tailored to your specific requirements. With decades of experience, we have built a solid reputation for excellence in the industry. Customers trust us for our timely responses, attention to detail, and top-notch plumbing and septic services. By no means comprehensive, we do water heater installs and repairs, plumbing fixture repairs, sewer repairs, hydro-jetting, septic system component maintenance, septic pumping, and many more services! Send us a message or give us a call to get a solution to your problem today. We offer senior citizen discounts.

Control Panel
House Filtration
Septic Service Tech
Septic Tank Pumping
Septic Tank Pumping

+24

52 neighbors recently requested a quote
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Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,677
)

Serving Sumner, TX and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"Well. Only problem was delay in response time after claim was filed online. Water tank started leaking Thanksgiving morning and no reply until I called the Regional Manager."
Recommended by82%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)

Serving Sumner, TX and surrounding areas

In business since 1971

Credit card accepted

"I just pay $75 you never know who's going to come out. They do everything electrical. Just about everything is covered except the septic tank. I had an air conditioner replaced. It went great, all I had to do was pay for the freon. He didn't charge e more than what was needed."
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+2

Recommended by65%of homeowners
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Septic Tanks questions, answered by experts

If you aren’t sure if you have a septic tank or a cesspit, you can check your property records or inspect your drainage system. A septic tank has an outlet pipe that allows liquid to drain into a soakaway or drain field, while a cesspit is a sealed tank that requires frequent emptying. If you notice a manhole cover and no nearby drainage field, it’s likely a cesspit. Signs like slow drainage or a frequent need for pumping can also provide clues. A professional inspection is the easiest way to confirm if your home runs on a septic tank or cesspit.

Several things can ruin a septic tank over time, including dumping harsh chemicals (like bleach and ammonia), pesticides, and paint thinners down your drain because they can kill the bacteria in your septic tank. You should also make sure to only flush waste and toilet paper in your toilet—otherwise, you could clog your system.

While homeowners connected to a municipal sewer line still have to keep up with plumbing maintenance, the downside to a septic system is that all the maintenance falls on the homeowners. Not calling in a pro to pump the tank every few years or accidentally flushing or draining the wrong types of materials can quickly cause clogs, which can back up into drains around the home.

The price you’ll pay for service from a septic tank company will depend on the specific service you need. Here are some common services, along with average pricing:

  • Anaerobic septic system installation: $3,000–$8,000

  • Aerobic septic system installation: $10,000–$20,000

  • Septic tank pumping: $250–$550

  • Percolation test: $700–$2,000

  • Leach field installation: $2,000–$10,000

These numbers vary based on your septic system size, property layout, and more, so the best way to get an accurate estimate is to contact a septic tank professional for a custom quote.

There are a couple of ways you can determine the depth of your well. One method is to use a device called a well sounder. This tool has a long measuring tape containing a sensor to alert you once the end reaches the water. 

Or you can DIY it by using a long tape measure with a half-filled bottle of water attached to it. Lower the tape measure into your well. Once you feel tension on the tape, you’ll know the bottle has reached your static water level. This will give you an approximate idea of your well’s depth.

The Sumner, TX homeowners’ guide to septic tank services

From average costs to expert advice, get all the answers you need to get your job done.

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