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TRUSTED BY PURCHASE, NY HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon109
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Purchase

Avatar for Arid Basement Waterproofing
Arid Basement Waterproofing
4.9(
89
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Purchase, NY and surrounding areas

Approved

In business since 1963

Free estimates

Warranties offered

"I called Arid when my sump pump that the previous owner left died during a rain storm. I spoke with Pat, who was extremely responsive, honest, and professional. Pat was very understanding as I explained that water had come up into the basement through the sump well. He sold me on a primary and backup pump system with battery backup and sent his crew out to my home that day. The installation took about 40 min and 20 min after the pump was installed, the water levels dropped back to normal. I have already hired Arid again to come back and perform a liner install around the pump and will look to Pat and his team in the future for all my basement waterproofing needs."
PVC French drain
Trench w/ gravel
Cementing trench
Sump pump
Sump pump with a cover

+1

4 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for American Dry Basement Systems, LLC
American Dry Basement Systems, LLC
4.9(
118
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Purchase, NY and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"I had my basement waterproofed almost 3 years ago by them and I had no issues since then with the basement flooding regardless of how much it rains. I highly recommend using American Dry Basement!"
Drainage Trench
Jackhammer
Mixing SuperCrete
Compress Wash Stones
Spreading SuperCrete

+7

Response time11 hrs
9 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
4.3(
223
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Purchase, NY and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"Excellent job.... Keith knew exactly what was wrong with our garage wall, he explained everything in great detail and offered us the right solution. The work was done in a timely manner. We are very pleased. Thank you CT Basement!"
Finished basement in CT
Basement Finishing in CT
Basement Finishing in CT
Basement Finishing in CT
Basement Finishing in CT

+13

Response time10 hrs
181 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Diggs Building Technologies Corp.
Diggs Building Technologies Corp.
4.9(
40
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Purchase, NY and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"When it rained my basement would get 2-3 inches of water. Tim and his team redirected all of the drain pipes (5 in all), reshaped the slope of the land surrounding my house, planted grass seed, and left the yard spotless. Now my basement is drier than Arizona in mid-July. These guys are pros, they finished in a day. It was a pleasure to see these men work! Their price was more than fair. You can't go wrong with DIGGS! Thank you, Tim!"
Our Work
Our Work
Our Work
Response time1 day
Response rate96%
12 neighbors recently requested a quote
Avatar for Dirty Deeds Basement Waterproofing
Dirty Deeds Basement Waterproofing
5.0(
4
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Purchase, NY and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Dean and his crew were professional, reliable, extremely neat/clean and went above and beyond, often, to make the sure work was completed to my satisfaction. They did small things not even required to make sure the entire basement area was much more than even expected. The basement has never been so dry in the 40 years I have lived here. I would hire them again in a heartbeat."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+24

Response time7 hrs
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Tigasi Home Improvement LLC
Tigasi Home Improvement LLC
5.0(
10
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Purchase, NY and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Fausto and his team did an amazing job ripping out old fiberglass and installing new spray in. They also made a custom drywall cover for the exposed pipes. All done in 1.5 days. Less expensive than the comp. Would use again. Great to work with."
13 neighbors recently requested a quote
Avatar for ProSeal Waterproofing
ProSeal Waterproofing
5.0(
8
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Purchase, NY and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Alex, the owner and lead contractor was a pleasure to work with. From start to finish the process was seamless. The waterproofing process was explained as well as the benefits from performing the work. Alex was personable, professional and knowledgeable. The pricing was very fair and competitive with the highest quality of workmanship."
Response time7 hrs
Response rate92%
6 neighbors recently requested a quote
Avatar for Elite Waterproofing Solution
Elite Waterproofing Solution
5.0(
2
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Purchase, NY and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Headly was very knowledgeable and professional. He was also very honest to tell me that the issue was not an emergency as I thought it was. He gave me a lot of information about the water in our basement and advised me to call him if it happens again after a heavy rain. He also checked out and cleaned my gutter while he was there."
Basement abatement
Basement abatement
Basement abatement
Basement abatement
Basement abatement

+7

Response time3 hrs
Response rate100%
8 neighbors recently requested a quote
...
Showing 1-10 of 347
Basement Waterproofing questions, answered by experts

Some disadvantages of crawl spaces are mostly regarding the air itself—moisture build-up and poor ventilation, which can cause problems both in the house and underneath it, even damaging the foundation itself. Crawl spaces are difficult to access and often invite unwanted pests during the hot summer months and the cold winter ones. These hard-to-seal spaces are also susceptible to water damage during periods of heavy rain or melting snow.

Since basements are prone to water and moisture issues and the resulting problems can be expensive to repair and potentially damaging to your home, basement waterproofing is almost always worthwhile. Even for homes that haven’t experienced water infiltration, waterproofing the basement is insurance against facing expensive repair bills in the future. All basements will leak at some point, so fixing drainage issues and taking steps to prevent moisture and water infiltration is wise.

In nearly all cases, you are required to install a vapor barrier in your crawl space. However, local regulations will change based on the local climate and the crawl space's susceptibility to moisture. Even if a vapor barrier is not legally required, it is often a good idea to keep your crawl space dry.

While water in your basement is unlikely to make you sick unless it’s coming from a sewage backup, mold is likely to start to grow in wet areas within 24 hours, and mold can make you sick. According to the Centers for Disease Control and Prevention (CDC), inhaling mold spores can cause allergy symptoms, including runny nose, itchy eyes, difficulty breathing, wheezing, and itchy skin. Individuals with pre-existing respiratory issues like asthma and immunocompromised individuals are at an elevated risk of symptoms when inhaling mold spores.

Water damage always poses a primary risk of mold and mildew, but growth is not guaranteed. The chances of mold developing depend on several factors, including the severity of the damage and how quickly the area is cleaned and dried. To prevent mold, you must act quickly—ideally within the first 24 hours. Clean up all water and thoroughly dry the affected area. If the damage is extensive, you were unable to address it immediately, or you suspect mold has already started to grow, it is best to assume it is present and hire a professional mold inspector or removal expert to assess the situation.

The Purchase, NY homeowners’ guide to basement waterproofing services

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