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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

To keep window wells from filling up with water, you need to stay on top of maintenance. Remove debris as it fills up, and regularly loosen the gravel at the base if it’s become compacted. You can also reslope your yard to make sure water flows away from the window well (and your home’s foundation), and you can even install a window well cover to prevent debris from building up. Installing an actual drainpipe at the base of the well can also prevent window well drainage problems.

If you’re not using a septic system, problems with your home’s plumbing won’t cause this—it’s a city problem. A large blockage in the municipal sewage lines may cause those lines to back up into your home. This is extremely unpleasant and can be a serious health risk due to bacteria and other contaminants. If this occurs, call a pro (or your city) immediately.

Your sewer line can get grimy quickly. To prevent sludge buildup in your sewer line, pour a mixture of 1/3 cup of vinegar and 1/3 cup of baking soda down each drain in your home once a month. After about 30 minutes, flush the drain with hot water.

Some plumbers recommend 3/4 cup of bleach instead to clean any germs and bacteria that may build up in your sewer line. But this won’t break down any active clogs, and it cannot be combined with vinegar, as the mixture will create a toxic, hazardous gas.

Most blockages can be cleared in 1-3 hours, but severe issues may take longer.

Knowing the signs can alert you to a clogged drain line. Clogs cause slow drainage or cause no drainage (if there’s a complete blockage). You may also notice foul odors, gurgling noises, water backing up in other appliances on the same line, or a poorly flushing toilet. If you experience any of these issues and think your line might be clogged, 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.