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Verified Reviews for Basement Waterproofing pros in Longboat Key, FL

*The Angi rating for Basement Waterproofing companies in Longboat Key, FL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

*The HomeAdvisor rating for Basement Waterproofing companies in Longboat Key, FL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

Last update on December 13, 2025

Find Basement waterproofing pros in Longboat Key

Avatar for Advanced Environmental Services - Gulf Coast

Advanced Environmental Services - Gulf Coast

4.84(
198
)
•Approved Pro

Advanced Environmental Services - Gulf Coast

4.84(
198
)
•Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
10 years of experience

Advanced Environmental Services is a veteran owned, full service environmental services contractor specializing in waterproofing, water damage and mold remediation, serving commercial and residential clients throughout Florida, Georgia, Louisiana and Texas for over 30 years. We use only the highest quality materials available. We don't believe in high-pressure sales tactics. In fact, we don't even believe in Sales Reps. Every visit to your home and cost estimate will come from a uniformed Project Manager who will also oversee your project. We never outsource projects to sub-contractors.

"Had a great experience with this company! Estimate and scope of work was clear, the price was fair, and Bryce and Jose went above and beyond to reroute my dryer vent inside of an interior wall and away from the waterproofing area! Definitely would recommend"

Amanda A on June 2025

Advanced Environmental Services is a veteran owned, full service environmental services contractor specializing in waterproofing, water damage and mold remediation, serving commercial and residential clients throughout Florida, Georgia, Louisiana and Texas for over 30 years. We use only the highest quality materials available. We don't believe in high-pressure sales tactics. In fact, we don't even believe in Sales Reps. Every visit to your home and cost estimate will come from a uniformed Project Manager who will also oversee your project. We never outsource projects to sub-contractors.

"Had a great experience with this company! Estimate and scope of work was clear, the price was fair, and Bryce and Jose went above and beyond to reroute my dryer vent inside of an interior wall and away from the waterproofing area! Definitely would recommend"

Amanda A on June 2025

Avatar for Alpha Foundations

Alpha Foundations

4.62(
114
)
•Approved Pro

Alpha Foundations

4.62(
114
)
•Approved Pro
Super Service Award
Customers say: Quick response
23 years of experience
Free onsite estimate

Alpha Foundations, A Groundworks Company, specializes in helping homeowners with their foundation repair, crawl space, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across the state of Florida. With fully trained technicians, industry-leading products, and nationally backed warranties, Alpha is here to restore your foundation or crawl space.

"Sam and Tom came out and did a super job fixing my driveway. Very professional and friendly."

deborah b on November 2025

Alpha Foundations, A Groundworks Company, specializes in helping homeowners with their foundation repair, crawl space, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across the state of Florida. With fully trained technicians, industry-leading products, and nationally backed warranties, Alpha is here to restore your foundation or crawl space.

"Sam and Tom came out and did a super job fixing my driveway. Very professional and friendly."

deborah b on November 2025

Surf-Seal, LLC

4.40(
15
)
•Approved Pro

Surf-Seal, LLC

4.40(
15
)
•Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
6 years of experience

At Surf-Seal we are your premier choice for concrete sealing and coating! We have provided high quality work and friendly customer service for years. Call today! Quality home work with the best prices!

"Excellent job, clean, fast, efficient. Great service!"

Natalie K on December 2022

At Surf-Seal we are your premier choice for concrete sealing and coating! We have provided high quality work and friendly customer service for years. Call today! Quality home work with the best prices!

"Excellent job, clean, fast, efficient. Great service!"

Natalie K on December 2022

Alpha Foundations

New on AngiNew on Angi
•Approved Pro

Alpha Foundations

New on AngiNew on Angi
•Approved Pro
23 years of experience
Free onsite estimate

Alpha Foundations, A Groundworks Company, specializes in helping homeowners with their foundation repair, crawl space, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across the state of Florida. With fully trained technicians, industry-leading products, and nationally backed warranties, Alpha is here to restore your foundation or crawl space.

Alpha Foundations, A Groundworks Company, specializes in helping homeowners with their foundation repair, crawl space, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across the state of Florida. With fully trained technicians, industry-leading products, and nationally backed warranties, Alpha is here to restore your foundation or crawl space.

Avatar for JEFF SCHULTZ PAINTING

JEFF SCHULTZ PAINTING

5.00(
75
)

JEFF SCHULTZ PAINTING

5.00(
75
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are a full service painting and coatings company. We can not only clean and coat any surface inside and out, but we also perform repairs and other handyman services since 1988

"Jeff and his crew went above and beyond. I had a small window to get this job done and he met my expectations with time to spare. My wife is the tough critic and she was very happy with the job. With a change on our part after day one, Jeff and his crew didn’t miss a beat. They entire team was very professional and very knowledgeable. I have found my painter for life! Now if I can talk him into traveling north to do some painting!"

Mike C on January 2023

We are a full service painting and coatings company. We can not only clean and coat any surface inside and out, but we also perform repairs and other handyman services since 1988

"Jeff and his crew went above and beyond. I had a small window to get this job done and he met my expectations with time to spare. My wife is the tough critic and she was very happy with the job. With a change on our part after day one, Jeff and his crew didn’t miss a beat. They entire team was very professional and very knowledgeable. I have found my painter for life! Now if I can talk him into traveling north to do some painting!"

Mike C on January 2023

Benjamin Construction, Inc.

5.00(
5
)

Benjamin Construction, Inc.

5.00(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Benjamin Construction provides​ a wide range of residential and commercial construction services for clients throughout the Lafayette Area handling everything from kitchen and bathroom remodeling to addition and custom home building. In addition to its new construction and remodeling services, the company designs and build high-end custom cabinetry, install tile and stone, replace windows, build decks and fences, and more. Owner-operator Benjamin Dumitrascuta is a second-generation building professional—his father, Gelu, established his own construction company in the 1980s after emigrating from Eastern Europe and taught his son the trade at a very young age. “He instilled in me the importance of quality craftsmanship, and that remains my number one objective today,” says Mr. Dumitrascuta. Benjamin Construction takes a personalized approach to dealing with customers and develops close relationships with them that continue even after their construction projects are finished. “Personal service is an important part of my process,” confirms Mr. Dumitrascuta. “I personally handle all cabinet, finish, tile, framing/carpentry, foundation, electrical and plumbing work in-house, and I’m heavily involved in the design of each project.”

Benjamin Construction provides​ a wide range of residential and commercial construction services for clients throughout the Lafayette Area handling everything from kitchen and bathroom remodeling to addition and custom home building. In addition to its new construction and remodeling services, the company designs and build high-end custom cabinetry, install tile and stone, replace windows, build decks and fences, and more. Owner-operator Benjamin Dumitrascuta is a second-generation building professional—his father, Gelu, established his own construction company in the 1980s after emigrating from Eastern Europe and taught his son the trade at a very young age. “He instilled in me the importance of quality craftsmanship, and that remains my number one objective today,” says Mr. Dumitrascuta. Benjamin Construction takes a personalized approach to dealing with customers and develops close relationships with them that continue even after their construction projects are finished. “Personal service is an important part of my process,” confirms Mr. Dumitrascuta. “I personally handle all cabinet, finish, tile, framing/carpentry, foundation, electrical and plumbing work in-house, and I’m heavily involved in the design of each project.”

Avatar for Phoenix Builders of West Florida LLC

Phoenix Builders of West Florida LLC

5.00(
7
)

Phoenix Builders of West Florida LLC

5.00(
7
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Phoenix Builders of West Florida LLC. Is a licensed contractor specializing in new construction, complete home renovations, custom kitchen and bath make overs, installing concrete and paver driveways, full service natural stone installation, hardwood installation to include sand and refinish with optional oil finish, we offer a wide variety of epoxy floor coatings for residential/commercial to include Aurora dust to Industrial coatings. We are committed as a veteran owned business to providing our customers with the broadest selection and the highest quality finish. We look forward to working with you on every aspect on your upcoming project.

"Byron and Justin did a fantastic job of a total renovation of our beachfront family condo. This is a shared property by 3 families. We are all out of state ( OH/IL/CT) . They were good at communicating with us throughout the project, even though we were only on site at few times during the process. They listened carefully to needs and made great design and product recommendations. This had been our parents condo and had not been updated since the 1970's. To say it was a time capsule is an understatement. Although it was impossible to increase the size, they did an unbelievable job of making the space feel much larger by removing walls. They gave us ceiling lights and fans, which other contractors had told us was impossible. And, they increased our storage space, allowing each family their own personal storage space in an eye pleasing cabinetry and built-ins. I only wish we had taken before and after shots. In the year since the project was completed, each family has spent a few months living in the space. The transformation is amazing and all three families are more than pleased. Would HIGHLY recommend Phoenix Builders of West Florida to anyone doing a small or large project."

Debra W on May 2019

Phoenix Builders of West Florida LLC. Is a licensed contractor specializing in new construction, complete home renovations, custom kitchen and bath make overs, installing concrete and paver driveways, full service natural stone installation, hardwood installation to include sand and refinish with optional oil finish, we offer a wide variety of epoxy floor coatings for residential/commercial to include Aurora dust to Industrial coatings. We are committed as a veteran owned business to providing our customers with the broadest selection and the highest quality finish. We look forward to working with you on every aspect on your upcoming project.

"Byron and Justin did a fantastic job of a total renovation of our beachfront family condo. This is a shared property by 3 families. We are all out of state ( OH/IL/CT) . They were good at communicating with us throughout the project, even though we were only on site at few times during the process. They listened carefully to needs and made great design and product recommendations. This had been our parents condo and had not been updated since the 1970's. To say it was a time capsule is an understatement. Although it was impossible to increase the size, they did an unbelievable job of making the space feel much larger by removing walls. They gave us ceiling lights and fans, which other contractors had told us was impossible. And, they increased our storage space, allowing each family their own personal storage space in an eye pleasing cabinetry and built-ins. I only wish we had taken before and after shots. In the year since the project was completed, each family has spent a few months living in the space. The transformation is amazing and all three families are more than pleased. Would HIGHLY recommend Phoenix Builders of West Florida to anyone doing a small or large project."

Debra W on May 2019

Avatar for Iga Construction

Iga Construction

5.00(
7
)

Iga Construction

5.00(
7
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

General Contractor We are proud to serve our community with outstanding services. Our team is known for over the top performance, experience, leadership, design, and quality with over 30 years of experience. No jobs are too small or too big, Construction Residential & Commercial Construction Rehab Concrete restoration Remodeling & renovations Bathroom, kitchen design & renovation On site Interior Designer (by request) Windows & doors All construction

"IGA overdelivered and surpassed all of my expectations. Customer service was exceptional. Matt is a very talented and gifted guy. I am super grateful. He explained everything in detail. He and his team are very professional and reliable. My bathroom looks incredible. A total state of the art and updated design. Thank you so such Matt and your amazing company IGA."

Jasmine K on February 2019

General Contractor We are proud to serve our community with outstanding services. Our team is known for over the top performance, experience, leadership, design, and quality with over 30 years of experience. No jobs are too small or too big, Construction Residential & Commercial Construction Rehab Concrete restoration Remodeling & renovations Bathroom, kitchen design & renovation On site Interior Designer (by request) Windows & doors All construction

"IGA overdelivered and surpassed all of my expectations. Customer service was exceptional. Matt is a very talented and gifted guy. I am super grateful. He explained everything in detail. He and his team are very professional and reliable. My bathroom looks incredible. A total state of the art and updated design. Thank you so such Matt and your amazing company IGA."

Jasmine K on February 2019

Florida Under Home Solutions

4.67(
18
)

Florida Under Home Solutions

4.67(
18
)
Customers say: Quality work
17 years of experience

Mobile home repair. Vapor barrier and insulation instalation. We offer most extensive under home inspection. Honest and affordable. Hurricane anchoring. Home Leveling

"Not happy with this company at all. Called again yesterday, left message as of today no one has returned my call. 08/04/18"

Patricia M on August 2018

Mobile home repair. Vapor barrier and insulation instalation. We offer most extensive under home inspection. Honest and affordable. Hurricane anchoring. Home Leveling

"Not happy with this company at all. Called again yesterday, left message as of today no one has returned my call. 08/04/18"

Patricia M on August 2018

Avatar for Helicon

Helicon

4.60(
15
)

Helicon

4.60(
15
)
Customers say: Quick response
22 years of experience

By choosing Helicon, you will be provided with rock-solid solutions for all your soil stabilization and foundation issues. Helicon specializes in using the latest technology and the highest quality foundation repair process to repair your foundation, raise your concrete slab, and stabilize your soil or structure. We strive to exceed expectations every step of the way. Helicon is 5 Star Rated, A+ Rated BBB Company with ZERO BBB customer complaints. With our reliable, tried-and-true foundation repair process, you can rest assured that Helicon is the expert you can trust.

"They did an amazing job. Excellent service I would recommend them to anyone. Give ⭐️ "

Annette C on November 2025

By choosing Helicon, you will be provided with rock-solid solutions for all your soil stabilization and foundation issues. Helicon specializes in using the latest technology and the highest quality foundation repair process to repair your foundation, raise your concrete slab, and stabilize your soil or structure. We strive to exceed expectations every step of the way. Helicon is 5 Star Rated, A+ Rated BBB Company with ZERO BBB customer complaints. With our reliable, tried-and-true foundation repair process, you can rest assured that Helicon is the expert you can trust.

"They did an amazing job. Excellent service I would recommend them to anyone. Give ⭐️ "

Annette C on November 2025

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FAQs for basement waterproofing projects in Longboat Key, FL

Due to the nature of basements, some level of waterproofing is necessary to prevent water from seeping in and causing damage. Some definitive signs that your basement needs waterproofing measures or needs existing waterproofing measures need to be updated include:

  • Water in your basement, including damp walls or puddles on the floor

  • Mold spots in your basement

  • Musty smells or odors

  • Warped doors or walls

  • Cracks in walls

  • Insect issues, such as cockroaches and termites

You can DIY basement waterproofing in some ways to help save on the overall costs. If your basement isn’t experiencing a lot of water but is noticeably humid, you can try running a dehumidifier that will pull the excess water out of the air. If you notice water leaking due to outdoor drainage issues, you can add downspout extensions to keep rainwater away from your home. 

However, if the problem is more severe and requires a more extensive solution, it’s best to call a basement waterproofing professional to assess the treatment you need and install waterproofing safeguards properly. Since keeping water out of your basement is important, ensuring this job is done correctly the first time is best.

Damp proofing and waterproofing are both methods to help keep your basement dry. Damp proofing keeps soil moisture from entering your basement, which is helpful since your basement is underground. Waterproofing, however, keeps both soil moisture and liquid water out of the basement, which is essential, especially if you live in a wet environment. Because it’s more protective, waterproofing typically costs more than damp proofing.

Several factors dictate if you should waterproof the interior or exterior of your basement. Waterproofing the exterior of your home is a great option if you use your basement for storage, as it provides the most protection from water and water damage. If you prefer work done outside of your home versus inside, exterior waterproofing is best for you. However, interior waterproofing is often less expensive since the area is easier to reach and requires less labor.

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.

The Longboat Key, FL homeowners’ guide to basement waterproofing services

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

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