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TRUSTED BY DOWNINGTOWN, PA HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon29
    Verified drain pipe installations reviews

Top-Rated Drain pipe installers in Downingtown - Updated Nov 2026

Avatar for AJ Waterproofing
AJ Waterproofing
4.8(
207
)
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Downingtown, PA and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

"AJ had come to our house a few years ago for the estimate on the crawlspace. We also had one other company out for an estimate at that time. After meeting AJ we knew we would hire him because he also walked around our yard with us to suggest improvements with yard grading and other suggestions to keep water out. He was also upfront about the cost and work to be done. He didn't try to sell us on any gimmicks or anything we didn't need. AJ stands behind his work and is very knowledgeable and experienced. We did not go ahead with the project after the original estimate because we decided to put that project on hold. We needed to attend to our leaky roof and other home projects. However, when it came time to get the work done we called AJ without hesitation. Everything went great. AJs workers sealed off the areas in our basement where they were working and when they were done everything was cleaned up as if they were never there! AJs team removed several inches of dirt, stones and debris from the crawlspace floor. A French drain with a sump pump was installed and the walls of crawlspace were done over with concrete of AJs particular waterproofing blend. Additionally, hangers were installed on a sewage pipe which ran though the crawlspace. This was done because the pipe was supported by concrete blocks which needed to be removed in order to install the french drain. Now the crawlspace is in absolutely wonderful condition and Ill have piece of mind every time it rains. I can highly recommend AJ waterproofing."
Additional Photos
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Additional Photos
Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
4.4(
608
)
Sump Pump or Interior Foundation Drains - Install

Serving Downingtown, PA and surrounding areas

Approved

In business since 1959

Free estimates

Emergency services offered

"I was told by plummer that my under ground pipe thru sewer system was broken. Need to replace 30 feet of pipes. So dig up my yard remove busted pipes an. Installed new pipe. Will help i no more clogged sinks or tiolets"
Benjamin Franklin Plumbing On Site
Installing Vent
Installing Tankless Water Heater
Installing Connections
Finished Tankless Water Heater Install

+1

92 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Mattioni Plumbing, Heating & Cooling
Mattioni Plumbing, Heating & Cooling
4.5(
341
)
Sump Pump or Interior Foundation Drains - Install

Serving Downingtown, PA and surrounding areas

Approved

In business since 1948

Emergency services offered

Warranties offered

"After being on hold with another local well-known company for over five minutes, I was pleased to have my call answered right away by Mattioni's. They sent a technician out right away, gave me a reasonable/high estimate; explained the need for the expansion tank and the gas pipe grounding. Work was done later that day. Technician was a bit chatty, and did need to return the next day to fix a very small leak, which they did for obviously no charge. All in all, we were pleased, and would use them again.
"
Additional Photos
Additional Photos
Additional Photos
Response time2 days
12 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Roto-Rooter Plumbing & Water Cleanup - Wilmington
Roto-Rooter Plumbing & Water Cleanup - Wilmington
4.1(
176
)
Sump Pump or Interior Foundation Drains - Install

Serving Downingtown, PA and surrounding areas

Approved (Corporate)

In business since 1935

Free estimates

Emergency services offered

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

Recommended by82%of homeowners
Avatar for Horizon Services, LLC (PA)
Horizon Services, LLC (PA)
3.9(
1,722
)
Basement Drainage Channels - InstallSump Pump or Interior Foundation Drains - Install

Serving Downingtown, PA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

Horizon Services, Inc., is the regions largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey and Northeastern Maryland. After a quarter of a century in business, Horizons Services, Inc., remains fully committed to setting the industry standard for customer service, installation and focusing on things that are important to busy homeowners. \n

Plumber in Kitchen with Customer
Horizon Plumber crawl space
Horizon Plumber under sink
4 neighbors recently requested a quote
Recommended by89%of homeowners
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Drain Pipe Installation FAQs, answered by experts

French drains may fail when they become clogged with soil granules that slip through the pores of the landscaping fabric and through the holes in the pipe. 

Over time, this debris can build up inside the pipe and prevent water flow. To prevent this failure from happening, regularly flush out your French drain and keep debris away from the inlet grate.

An active cleaning agent and a drain snake is the best way to clean a main sewer line. You can purchase a regular or enzyme drain cleaner or make a DIY drain cleaner with baking soda. Use your chosen solution at least once a month or as needed to keep your sewer line clear. 

It is generally not recommended to pour hot or boiling water down a drain to unfreeze pipes due to significant risks. In some cases, the sudden temperature change can cause more ice buildup or produce steam, which increases pressure and could cause the pipe to burst, leading to costly damage and potential burn injuries. While hot water might help with a partially frozen drainpipe, it is unlikely to thaw a completely blocked water pipe further down the system. Additionally, boiling water can damage plastic pipes over time. Safer and more effective methods include using a space heater near the frozen section or applying hot towels directly to the pipe.

Biodegradable drain cleaners use naturally derived ingredients, such as baking soda, vinegar, and boiling water, which bacteria and other microbes can break down. Unlike conventional cleaners that rely on corrosive bleach (sodium hydroxide), biodegradable options are gentler on fixtures and less harmful to the environment. Because they don't release harmful gasses, they are also safer to use, especially in households with children, and do not require the same safety precautions as bleach-based products.

While technically possible, it is unlikely that a clogged toilet will fix itself. Clogs caused by water-soluble materials like toilet paper or human waste may eventually break down in the water, allowing flow to resume. However, this can take time, and any clogs from solid objects require manual removal. In most scenarios, especially if you don't have another bathroom, it is best to fix the clog yourself or call a plumber.

The Downingtown, PA homeowners’ guide to drain pipe installations

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