Top-rated basement waterproofing pros.

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There are 17 highly-rated local basement waterproofing pros.

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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon46
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Centerport

Basement Man

5.00(
16
)
Approved Pro

Basement Man

5.00(
16
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
16 local quotes requested

WHY--THIS IS A JOB FOR BASEMENT MAN!!! Your locally owned and operated Basement Waterproofing Specialist. Why am I YOUR Basement Waterproofing Specialist? Because over a 38 year period, I've built over 110 customer homes all over Long Island and I know Basements! We stand behind and guarantee all of our work, so give us a call anytime for a free estimate.

"Things went great I'd hire him again"

John R on May 2025

WHY--THIS IS A JOB FOR BASEMENT MAN!!! Your locally owned and operated Basement Waterproofing Specialist. Why am I YOUR Basement Waterproofing Specialist? Because over a 38 year period, I've built over 110 customer homes all over Long Island and I know Basements! We stand behind and guarantee all of our work, so give us a call anytime for a free estimate.

"Things went great I'd hire him again"

John R on May 2025


Avatar for Long Hill Masonry Corp

Long Hill Masonry Corp

80 Horseblock Road
4.92(
26
)
Approved Pro

Long Hill Masonry Corp

80 Horseblock Road
4.92(
26
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
24 local quotes requested

**We have now expanded our Foundation Services**Long Hill Masonry has been providing a tradition of expert craftsmanship, quality and service for over 30 years. The company is owned and operated by Joseph Tavella, who himself comes from generations of masons. It is our goal to achieve the highest standard of quality in every project. We guarantee our workmanship for one full year, and most projects are payable upon completion of job take a look at our website at www.longhillmasonry.com

"Joe Cam down to do an estimate and he was very knowledgeable. The Quote was Fair and I had hired them to do the job. They came on time and the job came out great. I would recommend Long Hill to everyone I know"

Christian G on August 2023

**We have now expanded our Foundation Services**Long Hill Masonry has been providing a tradition of expert craftsmanship, quality and service for over 30 years. The company is owned and operated by Joseph Tavella, who himself comes from generations of masons. It is our goal to achieve the highest standard of quality in every project. We guarantee our workmanship for one full year, and most projects are payable upon completion of job take a look at our website at www.longhillmasonry.com

"Joe Cam down to do an estimate and he was very knowledgeable. The Quote was Fair and I had hired them to do the job. They came on time and the job came out great. I would recommend Long Hill to everyone I know"

Christian G on August 2023


Avatar for Zavza Seal, LLC

Zavza Seal, LLC

377 Main St. Suite 6
4.92(
43
)
Approved Pro

Zavza Seal, LLC

377 Main St. Suite 6
4.92(
43
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
42 local quotes requested

Zavza Seal is an experienced high end general contracting firm with a passion for delivering excellence. Serving Long Island communities including Suffolk, and Nassau counties. We are a one-stop shop construction company that specializes in the following: waterproofing basements, paving and sealing driveways and garages, waterproofing parking structure and concrete commercial roofs. Concrete Swimming pool buildout, Stone paving and tuck-pointing work. If you are considering any type of waterproofing project and concrete work we are here to help and can provide valuable, time-saving advice. We also specialize in waterproof concrete for professional and residential use called Basecrete. Call today for a free estimate!

"I hired Zavza Seal to waterproof my basement and they did an exceptional job! The team was professional, thorough and went the extra mile to ensure everything was done perfectly. I'm happy with their work and highly recommend them to anyone!"

Levan C on September 2024

Zavza Seal is an experienced high end general contracting firm with a passion for delivering excellence. Serving Long Island communities including Suffolk, and Nassau counties. We are a one-stop shop construction company that specializes in the following: waterproofing basements, paving and sealing driveways and garages, waterproofing parking structure and concrete commercial roofs. Concrete Swimming pool buildout, Stone paving and tuck-pointing work. If you are considering any type of waterproofing project and concrete work we are here to help and can provide valuable, time-saving advice. We also specialize in waterproof concrete for professional and residential use called Basecrete. Call today for a free estimate!

"I hired Zavza Seal to waterproof my basement and they did an exceptional job! The team was professional, thorough and went the extra mile to ensure everything was done perfectly. I'm happy with their work and highly recommend them to anyone!"

Levan C on September 2024


Avatar for Diamond Masonry & Waterproofing

Diamond Masonry & Waterproofing

1378 Whittier Avenue
5.00(
5
)

Diamond Masonry & Waterproofing

1378 Whittier Avenue
5.00(
5
)
77 local quotes requested

Diamond Masonry & Waterproofing was founded on a passion for the trade. We have been in the masonry and basement waterproofing trade since 1988 and formed diamond masonry & waterproofing in 2000.our knowledge and expertise of the industry has led us to small jobs and large scale commercial projects. No job is the same so we enjoy the challenges of all projects.

Diamond Masonry & Waterproofing was founded on a passion for the trade. We have been in the masonry and basement waterproofing trade since 1988 and formed diamond masonry & waterproofing in 2000.our knowledge and expertise of the industry has led us to small jobs and large scale commercial projects. No job is the same so we enjoy the challenges of all projects.


Specializing in masonry including: concrete, cement, driveways, patios, stairs, egress windows, entrance to basements, chimneys, stucco, etc.


Avatar for Best Cut Woodworks

Best Cut Woodworks

1 The Mastics
5.00(
1
)

Best Cut Woodworks

1 The Mastics
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Colors have the incredible ability to transform spaces, evoke emotions, and create a unique atmosphere. At Best Cut Woodworks, we specialize in providing expert interior painting services that breathe new life into your home, reflecting your personal style and aspirations.  Our Approach to Interior Painting Painting is an art, and we approach it with creativity, precision, and a dedication to perfection. Our skilled painters understand the nuances of color, texture, and technique, ensuring that every brushstroke contributes to the overall aesthetic of your space. Why Choose Our Interior Painting Services? Expertise: Our team of experienced painters brings years of expertise to the table, ensuring a flawless finish and attention to detail. Customization: We believe that your home should be a reflection of you. That's why we work closely with you to choose the perfect colors that align with your style and preferences. Quality Materials: We use high-quality paints and materials to guarantee long-lasting and beautiful results. Efficiency: We understand the importance of time, and we work efficiently to complete projects within agreed-upon timelines. Attention to Detail: From preparing the surfaces to the final coat, we meticulously execute each step to achieve a smooth and even finish. we are currently looking to take on more painting, interior and exterior! we also offer all phases of home construction and remodeling , and outdoor services to! such as; lawn maintenance and fence installs and creation. find us on Facebook for builds and projects for sale on ebay! (amazon coming soon)

"Alex Understood the project I wanted with my deck and it came out better than expected! Since then I also had him back for my fencing, flooring, Painting and other jobs like he made me a custom made door. He always out does himself and gets the job done effectively. I highly recommend Alex to complete any project you have in mind. He will get it done to your expectations!"

Brenda S on September 2024

Colors have the incredible ability to transform spaces, evoke emotions, and create a unique atmosphere. At Best Cut Woodworks, we specialize in providing expert interior painting services that breathe new life into your home, reflecting your personal style and aspirations.  Our Approach to Interior Painting Painting is an art, and we approach it with creativity, precision, and a dedication to perfection. Our skilled painters understand the nuances of color, texture, and technique, ensuring that every brushstroke contributes to the overall aesthetic of your space. Why Choose Our Interior Painting Services? Expertise: Our team of experienced painters brings years of expertise to the table, ensuring a flawless finish and attention to detail. Customization: We believe that your home should be a reflection of you. That's why we work closely with you to choose the perfect colors that align with your style and preferences. Quality Materials: We use high-quality paints and materials to guarantee long-lasting and beautiful results. Efficiency: We understand the importance of time, and we work efficiently to complete projects within agreed-upon timelines. Attention to Detail: From preparing the surfaces to the final coat, we meticulously execute each step to achieve a smooth and even finish. we are currently looking to take on more painting, interior and exterior! we also offer all phases of home construction and remodeling , and outdoor services to! such as; lawn maintenance and fence installs and creation. find us on Facebook for builds and projects for sale on ebay! (amazon coming soon)

"Alex Understood the project I wanted with my deck and it came out better than expected! Since then I also had him back for my fencing, flooring, Painting and other jobs like he made me a custom made door. He always out does himself and gets the job done effectively. I highly recommend Alex to complete any project you have in mind. He will get it done to your expectations!"

Brenda S on September 2024


We specialize in general home improvements from paint to other ends like accent walls and built-in’s. for almost a decade K&J Home Improvement has been the go to for home owners.


"Eddie and his crew solved my flooding issues with the installation of new pumps and delivered innovation solutions for a complicated problem, in the best efficient ways. His work was clean efficient, immaculate honest and on time. his company was accountable and delivered exactly what I requested and needed. Fortunately for me he will be returning soon to continue to address a few other projects on my list. I'm confident anyone that hires this company will be extremely pleased. A number of my personal friends have hired his team and were pleased with no regrets. Terry"

Theresa L on June 2024

We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"Eddie and his crew solved my flooding issues with the installation of new pumps and delivered innovation solutions for a complicated problem, in the best efficient ways. His work was clean efficient, immaculate honest and on time. his company was accountable and delivered exactly what I requested and needed. Fortunately for me he will be returning soon to continue to address a few other projects on my list. I'm confident anyone that hires this company will be extremely pleased. A number of my personal friends have hired his team and were pleased with no regrets. Terry"

Theresa L on June 2024


Avatar for Baaz Contractors Inc

Baaz Contractors Inc

Lefferts Blvd
No reviews yet

Baaz Contractors Inc

Lefferts Blvd
No reviews yet
32 years of experience

Designing your dream home begins with understanding your vision, preferences, and lifestyle. Our experienced team collaborates with you to create a personalized plan, considering architectural style, layout, and amenities. We prioritize quality construction, ensuring your dream home is built to last. Transparent communication and attention to detail guide the process, resulting in a home that not only meets but exceeds your expectations.

Designing your dream home begins with understanding your vision, preferences, and lifestyle. Our experienced team collaborates with you to create a personalized plan, considering architectural style, layout, and amenities. We prioritize quality construction, ensuring your dream home is built to last. Transparent communication and attention to detail guide the process, resulting in a home that not only meets but exceeds your expectations.


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Basement Waterproofing questions, answered by experts

To ensure your basement walls are waterproof, it's crucial to address any existing moisture issues before finishing. Inspect for signs of water seepage, such as dampness or discoloration, and repair any leaks or cracks. Install a vapor barrier to prevent moisture from penetrating the walls, and consider waterproofing paints or coatings.

Proper drainage systems, such as interior or exterior waterproofing, can also be beneficial.

Regularly inspect for leaks, repaint wood surfaces, and reinforce weak joints to prevent deterioration.

There are a few downsides to a wet room, the most important of which is the risk of mold growth from the moisture and humidity. Standard bathrooms can have the same issue, but wet rooms are more likely to experience problems because water is less carefully contained. You also have less privacy since the entire bathroom is open, and the room must include waterproofing, which makes wet rooms more expensive to install than regular bathrooms.

A vapor barrier can last over 20 years, but they are vulnerable to pests, flooding, and other natural disasters. If your home weathers a storm or is treated for any pest infestation, make sure to have a drywall pro come check the integrity of your vapor barrier. It’s also important to have a pro install a vapor barrier since improper installation can lead to tears or leaks in the barrier that shorten its lifespan.

As the first layer of water protection for your roof deck and the building materials below, underlayment is designed to prevent water damage, so it’s okay if it gets wet. However, you shouldn’t rely solely on underlayment for protection. If rain interrupts your roof project and you have all of the underlayment down, you’ll likely be fine, but you should install shingles over that layer as soon as possible, as long-term exposure can lead to water damage.

The Centerport, NY homeowners’ guide to basement waterproofing services

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