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    Average homeowner rating
  • Verified reviews icon1.4k+
    Verified foundation drain installation services reviews

Top-Rated Foundation drain installation pros in Central Islip - Updated Nov 2026

Napolitano Brothers Contracting, Inc.
4.8(
25
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Central Islip, NY and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Every time it would rain the side of my yard would flood and get into my house. A close friend recommended Napolitano Brothers Contracting. Jim, James, and Michael Napolitano were great to work with. They installed a exterior drainage system and also water proofed the side of my house. After, I hired them to do a paver patio and driveway, both of which I constantly get compliments. I am glad to have found them!"
Paver Pool Patio and Retaining Wall
Walkway to Pool Patio.
Paver Driveway with Custom Border and Apron
Custom Stone BBQ and Wall
Custom Stone Work

+22

Response time9 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Elite Piping Solutions
Elite Piping Solutions
4.8(
49
)
Sump Pump or Interior Foundation Drains - Install

Serving Central Islip, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"Billy and his crew were an absolutely pleasure to work with. They exceeded my expectation to replace my boiler and hot water heater along with associated piping in record time working in concert with the GC to complete all work in 3 days. The finished work was neat and clean correcting errors with my original installation. All debris was removed each day. He ensured I was satisfied, kept me informed of the progress and what to expect. Upon leaving he made recommendations to have all my air valves replaced in my radiators and encouraged me to call with any questions. I appreciate the care he and his crew took with my home."
Response time6 hrs
Response rate90%
11 neighbors recently requested a quote
Avatar for BuildingLI.com - BLI Facilities LLC
BuildingLI.com - BLI Facilities LLC
5.0(
32
)
Concrete Foundation - InstallFoundation Drainage - Install or Replace

Serving Central Islip, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Eddie was great to work with! We had a limited time frame to adhere to town inspections and Eddie and his team knew exactly what we needed and quickly got the job done. The results were great and even the inspector acknowledged the impressive repair. They were able to put a knocked out garage wall back on the foundation and repair the interior dry wall. I would recommend this company for any professional contract work due to their reasonable price, ease to work with and quality of work."
before demo
kitchen demolition
demolition complete
kitchen tile job in progress
kitchen tile

+172

Response time7 hrs
Recommended by76%of homeowners
Avatar for Foundation Crack Repair, LLC
Foundation Crack Repair, LLC
4.5(
17
)
Foundation Drainage - Install or Replace

Serving Central Islip, NY and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Im am so happy with the work that was done on my house. Tyler came and gave a very fair estimate on lifting my concrete side entrance stairs to my basement. He explained every step of the process and did exactly what we wanted with no issues. Everything was done to perfection. No damage was done and you cant even tell the stairs ever needed a repair in the first place. I would highly recommend this company and would hire again for any future jobs."
Foundation Repair Ex.
Basement Repair Project
Response time2 days
Response rate99%
26 neighbors recently requested a quote
Avatar for JG Landscaping
JG Landscaping
5.0(
9
)
Concrete Foundation - Install

Serving Central Islip, NY and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

"Our driveway came out beautifully! People are complimenting the job left and right. JG landscaping was wonderful to work with. They were prompt, honest, and explained everything along the way. I would upload pictures but it won’t let me attach to the review. I hired them to do more landscaping and would highly recommend!"
Masonry Project
Masonry Project
Additional Photos
Additional Photos
Additional Photos

+39

Response time9 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Torres Contracting Corp
Torres Contracting Corp
4.3(
65
)
Concrete Foundation - Install

Serving Central Islip, NY and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"Mr. Torres was great with all the work we had done. We went to his office where we picked out the color stones for our brick steps and paver walkways. He was extremely helpful with suggestions and patterns. In the middle of the job I asked for an estimate for the side of our house for a walkway and he was able to do that as well as the initial work. The price was very fair and we were very happy with it, we had another estimate for the work and it was astronomical. I would definitely recommend this company and I will be going back to him for future work."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+156

3 neighbors recently requested a quote
Recommended by72%of homeowners
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Showing 1-10 of 467
Foundation Drain Installation FAQs, answered by experts

Thankfully, you do have a few sump pump backup options in case it fails. One option is a battery-powered backup sump pump. Another option is using a portable backup generator as a power supply for your sump pump. Unlike a battery-powered backup which has limited power, a generator can run around the clock for as long as you need it. 

Or you can opt for a water-powered backup pump, which uses your home’s water supply as a source of power. However, this may not be the best option if you find your house frequently has low water pressure.

No, you can’t drain your sump pump into your home’s sewer system. In fact, it’s against the law in many places because dumping extra water into a municipal water system can disrupt or overwhelm the treatment process. And for similar reasons, you shouldn’t discharge a sump pump into your septic system, either.

There are a few possible sump pump drainage locations, including a neighborhood storm drain, into a creek or pond, or underground. Don’t let your sump pump water go into your sewer or septic system. Ideally, your drainage spot should be on a downhill slope that’s at least 10 to 20 feet away from your home’s foundation. Before choosing a location, check your local codes and regulations.

Gravity can make it difficult to make plumbing work in a garage if your plumbing is lower than your drainage point. Fortunately, there are ways to create drainage when adding a bathroom to a sunken garage. Plumbers will recommend using an upflush system that discharges into a pump from the back of the toilet.

There are several things you can do to maintain your sump pump and prevent sump pump problems. For instance, keeping a lid on your sump pit goes a long way in protecting your pump system from silt, sand, dirt, and other debris. When water drains from the outside, such as along your foundation, or with melting snow, water runoff often brings sediment with it. 

Also be wary of corrosion, particularly if your sump pump system is made of metal. Keep an eye out for rust and have it inspected regularly by a plumber or sump pump technician.

The Central Islip, NY homeowners’ guide to foundation drain installation services

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