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TRUSTED BY HARLEM, NY HOMEOWNERS

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  • Verified reviews icon25
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Harlem

Avatar for ProSeal Waterproofing
ProSeal Waterproofing
5.0(
8
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Harlem, 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 Harlem, 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
Brickmaster Master Masonry & Waterproofing
5.0(
1
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Harlem, NY and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"I recently hired this company to waterproof our Basement. We had lots of water coming in and for a long time and this company came right out and Waterproofing repaired everything on a timely manner in a very affordable price"
Chimney rebuild
13 neighbors recently requested a quote
Avatar for Al Arsh Construction
Al Arsh Construction
5.0(
10
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Harlem, NY and surrounding areas

Approved

In business since 2001

Free estimates

Offers commercial services

Al-Arsh Construction Corp. has been a dependable name in construction since 2005. Al-Arsh is a Class A General Contractor who specializes in the construction of commercial and residential buildings. We are committed to providing the customer with the highest quality construction in order to obtain a satisfied customer, We pride ourselves of great craftsmanship and quality. Our projects are done in a neat and timely manner and within budget. Our estimates are free and are done by the owner himself. Call us to schedule an appointment and we'll look at the job and give you a price Also contact 7185212146

reno prep
18 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Aqua Tech Plumbing
Aqua Tech Plumbing
4.6(
22
)
Basement Drainage Channels - Install

Serving Harlem, NY and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Recently hired him to install a filter macchine for gold on a jewelry business sink he did amazing job with the plumbing very nice job and quickâ ¦excellent service!!!!"
✅
✅
✅
✅
✅

+35

Response time3 hrs
Response rate98%
7 neighbors recently requested a quote
Avatar for TS Construction NY
TS Construction NY
3.5(
28
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Harlem, NY and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"The workers very caring clean & respectful of property as well as owner. I felt safe with them at my home. Their work was so good that I had them do more work than originally hire them for. It was a delight to have them show at my home. Mr. Moni & his staff was extremely Professional, hard working and punctual .they did a wonderful job. The Concrete backyard, Drive way, walkway & sidewalk is beautiful. Yes I will hire them again, and refer to my friends & family. TS keep up the great job."
Interior Painting
Wall Paint
Wall Paint
Interior Painting
Interior Painting

+24

Response time5 hrs
Response rate98%
11 neighbors recently requested a quote
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Basement Waterproofing questions, answered by experts

Whether to waterproof your basement from the interior or exterior depends on several factors, including your budget.

Exterior waterproofing is generally considered the superior method because it stops water at the source, preventing it from seeping into and damaging your basement walls. This approach offers the most protection, making it ideal if you use your basement for storage.

By contrast, interior waterproofing is often less expensive and requires less labor because the area is more accessible.

For maximum protection against water leakage and moisture, applying waterproofing measures to both the inside and outside is the best solution. However, if you must choose only one, stopping water from the outside is the most effective approach to preserve your foundation and prevent damage.

Yes, it’s worth it to repair a crawl space foundation, even if the issue seems relatively minor. Foundation problems often get worse and more expensive to fix if you leave them untreated. Additionally, your entire home, from the framing and flooring to the roof system, relies on the foundation for even and level support. Issues with your foundation will almost always manifest as problems in and above your living space, so it’s important to find a solution.

The most challenging part of finishing a basement is addressing moisture control. Basement waterproofing is an essential task that requires a professional’s skills and knowledge. If you don’t properly waterproof your finished basement, it’ll be vulnerable to dampness, water damage, and mold growth. Ensuring proper insulation and ventilation to combat these issues while meeting building codes adds complexity to your remodeling project.

The cost of basement waterproofing is $4,950 for the average homeowner. However, you could end up paying between $600 and $14,000, depending on factors like basement size, waterproofing method, and the region you live in. 

If you live in an area with heavy rainfall, you might be paying more for waterproofing than if you lived somewhere drier since waterproofing contractors would be in high demand. Likewise, a 500-foot basement costs between $2,500 and $5,000 to waterproof, but that price rises significantly for a larger basement.

Ductwork sweats due to a temperature difference between the air inside the ducts and the surrounding air, similar to how a cold drink develops condensation in the heat. This sweating is a sign that your HVAC system is not operating at peak efficiency. The best way to keep ductwork from sweating is to wrap it in proper insulation, which also improves your system's energy efficiency. Another option is to close off your crawl space and install a dehumidifier to dry the air and lower its dew point.

The Harlem, NY homeowners’ guide to basement waterproofing services

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