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Best basement waterproofing pros near Key Largo, FL

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Top-Rated Basement waterproofing pros in Key Largo - Updated Nov 2026

Avatar for Groundworks
Groundworks
5.0(
73
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Key Largo, FL and surrounding areas

Approved (Corporate)

In business since 2002

Free estimates

Warranties offered

Groundworks, formerly Alpha Foundations, is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Foundation
Foundation
Foundation
Foundation
Foundation

+13

96 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for GGR quality construction llc
GGR quality construction llc
5.0(
14
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Key Largo, FL and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

We’re a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

32 neighbors recently requested a quote
Barrett's Plumbing & Septic LLC
5.0(
26
)
Basement Drainage Channels - Install

Serving Key Largo, FL and surrounding areas

In business since 2005

Free estimates

Emergency services offered

Barrett's Plumbing & Septic is a family owned septic tank and drain cleaning company. Our staff consist of excellent plumber's who have over 20 years experience in the field, consistently demonstrating genuine care about each customer's individual need. Our company specializes in Septic Cleaning, Greasetrap Cleaning, Storm Drain Cleaning, Sewer Hookup, Drainfield Installation, and Camera Inspection. It matters not where the problem is we are committed in making the process stress free and easy as possible for you. We operate 24hrs and emergency services..just give us a call and leave the rest to us.

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+26

Recommended by96%of homeowners
Avatar for Atlantis Water Services, Inc.
Atlantis Water Services, Inc.
4.5(
72
)
Basement Drainage Channels - Install

Serving Key Largo, FL and surrounding areas

In business since 1946

Free estimates

Emergency services offered

ATLANTIS WATER SERVICES Is a family owned and operated business. We have been in the water industry for more than 40 years. Our main office is centrally located in Hernando County and we currently provide service to Marion, Lee, Citrus, Hernando, Hillsborugh, Pasco, Pinellas, Orange, Lake, Lee , Marion, Sumter, Osceola, Lake, Volusia and Brevard counties. We strive for perfection on every job and work hard to exceed the expectations of every client.

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Recommended by95%of homeowners
Avatar for A&S Paving LLC
A&S Paving LLC
4.3(
75
)
Basement Drainage Channels - Install

Serving Key Largo, FL and surrounding areas

In business since 2012

Free estimates

Emergency services offered

Residential and commercial paving. A&S Paving is dedicated to building quality driveways, parking lots, paths and roadways. Because we do all of our own grading and paving, that keeps us in total control. We are fully insured and our work is always fully guaranteed.

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+22

Recommended by83%of homeowners
Avatar for The Fireplace Doctor
The Fireplace Doctor
3.9(
1,190
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Key Largo, FL and surrounding areas

In business since 1993

Emergency services offered

Credit card accepted

"He was very helpful. The issue with the vent was not that it was dirty but, the cent is too long. He came over and went under the house and in the basement to figure out the problem. He let us know we should cut an access panel in the deck to make sure the vent is clean and set up properly."
Recommended by78%of homeowners
Avatar for Dolphinz Plumbing
Dolphinz Plumbing
4.2(
22
)
Basement Drainage Channels - Install

Serving Key Largo, FL and surrounding areas

In business since 2013

Free estimates

Emergency services offered

We specialize in prompt and professional service for all your plumbing needs. Contact us today at 3054955447and speak with one of our representatives about your project to let us assist you. We are licensed and insured. We provide same day services 24 hours a day and 7 days a week. We have radio dispatched drivers. We are well experienced with service calls , remodeling. Contact us and send your project to our estimating department. We look forward to proving to you that our professionalism, friendly team and desire to go the extra mile will satisfy all of our customers. Again, thank you for visiting Dolphinzplumbing and we look forward to exceeding your expectations.Employees of Dolphinzplumbing wear uniforms, and undergo background checks and drug testing.

Sump pump idea to avoid patio flood
Sump pump idea to avoid patio flood
Sump pump idea to avoid patio flood
Sump pump idea to avoid patio flood
Sump pump idea to avoid patio flood

+45

Recommended by83%of homeowners
AAA Waterproof and Painting, Corp.
4.0(
1
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Key Largo, FL and surrounding areas

In business since 2019

Free estimates

Credit card accepted

We're dedicated to providing our clients with the very best in concrete installation and repair for driveways, excavation and waterproofing and a variety of other projects. With over 3 years of industry experience, we take and enormous amount of pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

Response time50 mins
Recommended by100%of homeowners
Avatar for One Stop Plumbing and Septic, Inc.
One Stop Plumbing and Septic, Inc.
3.8(
31
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Key Largo, FL and surrounding areas

In business since 2015

Free estimates

Emergency services offered

One Stop Plumbing & Septic is a family-owned business, proudly serving Miami, Broward, and West Palm Beach. Our licensed and insured experts provide a full range of plumbing, septic, and remodel services. We handle everything from routine repairs to complete system installations, ensuring every job is completed with exceptional craftsmanship and attention to detail. Trust us to be your all-in-one solution for reliable and professional plumbing needs across the region."

Response time7 hrs
Response rate100%
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Basement Waterproofing FAQs, answered by experts

You can seal a concrete slab by cleaning the surface, filling in any cracks, etching the surface, applying a sealer, and letting it dry. Concrete slabs don't typically need sealing, but you can use a topical concrete sealer if you notice signs of water damage. If you haven't already fixed the cause of the leak, then you'll want to repair the plumbing before you seal a concrete slab.

In many homes, an unfinished basement is an ideal place for an in-ground pool. The concrete floors, protection against water damage, and access to the ground below your home make this a large contender. Speak with a local basement remodeling contractor to ensure your space is right for the large construction.

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.

Having a trusted crawl space contractor is the key to great encapsulation. If you're not sure how to hire a crawl space pro, begin by asking your neighbors for referrals. Homes in your neighborhood will often have a similar foundation to your house, and personal recommendations are one of the best ways to find a contractor. Additionally, double-check that the contractor has experience with encapsulation as well as proof of their license and insurance.

Crawl spaces are the more desirable option overall because they provide additional space for storage and utilities, but they are more expensive to install and maintain. Slab foundations are considered a better option in warmer climates where the depth of the frost line isn’t an issue because they’re more affordable, but crawl spaces are better in areas where the frost line is deep or where flooding can be an issue.

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

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