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TRUSTED BY THOMPSON, CT HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon198
    Verified french drain services reviews

Top-Rated French drain pros in Thompson - Updated Nov 2026

Avatar for Groundworks
Groundworks
4.9(
13
)
Sump Pump or Interior Foundation Drains - InstallBasement Drainage Channels - Install

Serving Thompson, CT and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

"The gentleman who came to my home were absolutely great! Explained everything and made sure I was happy with the work every step of the way. I was nervous in the beginning but my fear subsided after Robert Charlesworth, Marcelo largo, Isaiah belcher and Johnathon Lopez made for a great experience. The attention to detail and dust control, tapping off areas they felt I wouldn’t want getting dusty exceeded my expectations! Thank you for your hard work and kindness. Trucks looked awesome new as well as tools and equipment. Great job guys!!"
Foundation
Foundation
Foundation
Concrete
Concrete

+16

430 neighbors recently requested a quote
Quinn Reyes
New to Angi
Drain Clog or Blockage - ClearDrain Line Breakage - Camera Locate

Serving Thompson, CT and surrounding areas

Approved

Hi, my name is Quinn — a Massachusetts plumber who takes real pride in quality work. I’m available for just about any plumbing job, big or small. Why pay a big company 3–4× the price when you can work directly with someone who cares about doing the job right the first time?\n\nI specialize in most aspects of plumbing and offer honest, reliable service at a fair price. The only things I don’t work on are septic systems and oil-related equipment.\n\nIf you need plumbing work done and want quality without the inflated company pricing, feel free to reach out. I’d be happy to help.

Sunshine Home Cleaning
New to Angi
Drain Line Breakage - Camera LocateDrain Line Breakage - Camera Locate - For Business

Serving Thompson, CT and surrounding areas

Approved

Hi I’m Corey, I’m 35, a hardworking family man and father of 2. I have a lot of experience in many different areas that allow me to better serve your needs wherever they may be. My specialty is plumbing repairs and installs but have many other handyman experience and abilities as well. I will make sure every job is done right as if it was done in my own home.

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French Drains FAQs, answered by experts

No, you should avoid using liquid drain cleaners. These chemicals, often packed with sulfuric or hydrochloric acid, can wreak havoc on your pipes, causing erosion and potential leaks. They’re also dangerous to your health. If you’re dealing with a stubborn clog, manual removal or a professional plumber is your best bet. Chemical drain cleaners can often make things worse, especially if the clog stays put and the chemicals linger in your pipes.

A sewage smell in your crawl space is usually from a damaged or clogged pipe leaking sewer gasses or actual sewage underneath your home, but there are some other common causes. Moisture, from poor or damaged encapsulation or a malfunctioning sump pump, can harbor mold and bacteria, causing a musty smell. Pests can also get stuck in your crawl space and die, which causes a sewage-like odor.

Yes, hiring a drain cleaner is worth it, especially when compared to the cost of not being able to use a sink, shower, toilet, or bathtub and the potential damage that flooding can cause in your home. You might try a temporary drain cleaning liquid or snaking it yourself, but if the clog is out of reach or these methods do not work, then hiring a professional drain cleaner is the way to go.

To prevent drain clogs, perform regular maintenance and cleaning. Avoid disposing of substances like grease or coffee grounds down the sink. Additionally, installing and routinely using drain strainers can help catch debris and prevent blockages from forming.

A saturated leach field can result from various underlying issues, so it's best to call a professional septic company to diagnose and treat the problem. Depending on the cause of the saturation, potential fixes include pumping out a full septic tank, adding more bacteria to the tank, or regrading the soil to fix low spots. It may also be necessary to reroute rainwater and runoff away from the leach field using gutters, downspouts, and extenders. Once the primary issue is resolved, planting specific types of vegetation over the area can help absorb excess water. In more severe cases, you might need to install a larger septic tank or replace the leach field entirely.

The Thompson, CT homeowners’ guide to french drain services

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