Top-rated basement waterproofing pros.

Get matched with top basement waterproofing pros in Sullivan, PA

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Find Basement waterproofing pros in Sullivan

Avatar for Groundworks

Groundworks

3819 N Susquehanna Trl
4.39(
57
)
Approved Pro

Groundworks

3819 N Susquehanna Trl
4.39(
57
)
Approved Pro
Customers say: Super punctual
38 local quotes requested
50 years of experience

Groundworks, formerly Baker's Waterproofing, has specialized in helping homeowners with their foundation repair, waterproofing, and concrete needs since 2009. Our top priority is providing high-quality home repair solutions and personalized service across central Pennsylvania. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your basement, foundation, or concrete. PA158514 (PA)

"The job went extremely well. Aaron Lenker and Corbin Gillichbauer performed the service and were professional and polite. I’m completely satisfied. Well done."

Paul S on July 2025

Groundworks, formerly Baker's Waterproofing, has specialized in helping homeowners with their foundation repair, waterproofing, and concrete needs since 2009. Our top priority is providing high-quality home repair solutions and personalized service across central Pennsylvania. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your basement, foundation, or concrete. PA158514 (PA)

"The job went extremely well. Aaron Lenker and Corbin Gillichbauer performed the service and were professional and polite. I’m completely satisfied. Well done."

Paul S on July 2025


Avatar for The Basement Expert

The Basement Expert

17 Bound Avenue
4.89(
18
)
Approved Pro

The Basement Expert

17 Bound Avenue
4.89(
18
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
18 local quotes requested

Crack in your wall we're the guys to call! Free Estimates and lifetime warranty! We are a local family owned company and pride ourselves on using American based products. Call now and receive a $500.00 discount on any basement waterproofing system.

"Excellent work. High quality, punctual and polite workmen, 100% satisfied, and would recommend without hesitation. Best of all, they were economical. Great job"

William W on August 2021

Crack in your wall we're the guys to call! Free Estimates and lifetime warranty! We are a local family owned company and pride ourselves on using American based products. Call now and receive a $500.00 discount on any basement waterproofing system.

"Excellent work. High quality, punctual and polite workmen, 100% satisfied, and would recommend without hesitation. Best of all, they were economical. Great job"

William W on August 2021


Avatar for Midstate Basement Authorities, Inc

Midstate Basement Authorities, Inc

20 Verizon Lane
4.74(
35
)
Approved Pro

Midstate Basement Authorities, Inc

20 Verizon Lane
4.74(
35
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
54 local quotes requested

Midstate Basement Authorities, Inc. is Central New York's trusted, full-service basement waterproofing and foundation repair contractor. Fully insured, and equipped to handle any size job for both residential and commercial. Services include basement waterproofing, water control systems - interior and exterior, crawlspace encapsulation and repair, foundation repair, structural analysis and repair, sump pumps, wall crack repair, and bowed wall repair. Serving Ithaca, Syracuse, Binghamton and everywhere in between. We do not service new construction - as in pouring new foundations or basement remodeling. We also do not do shotcrete or gunite sprays and we no longer offer concrete leveling/lifting. We treat our customers like family from start to finish by providing excellent customer service, preventative tips, free inspections and fair estimates on work that needs to be done.

"Excellent, Bill was extremely profrssional"

Kelly R on March 2025

Midstate Basement Authorities, Inc. is Central New York's trusted, full-service basement waterproofing and foundation repair contractor. Fully insured, and equipped to handle any size job for both residential and commercial. Services include basement waterproofing, water control systems - interior and exterior, crawlspace encapsulation and repair, foundation repair, structural analysis and repair, sump pumps, wall crack repair, and bowed wall repair. Serving Ithaca, Syracuse, Binghamton and everywhere in between. We do not service new construction - as in pouring new foundations or basement remodeling. We also do not do shotcrete or gunite sprays and we no longer offer concrete leveling/lifting. We treat our customers like family from start to finish by providing excellent customer service, preventative tips, free inspections and fair estimates on work that needs to be done.

"Excellent, Bill was extremely profrssional"

Kelly R on March 2025


Avatar for Highlander Waterproofing Inc

Highlander Waterproofing Inc

224 Harrison Street, Suite 210
5.00(
1
)
Approved Pro

Highlander Waterproofing Inc

224 Harrison Street, Suite 210
5.00(
1
)
Approved Pro
14 years of experience
Free onsite estimate

At Highlander Waterproofing & Foundation Repair, we are the area's trusted experts specializing in basement and crawlspace waterproofing and encapsulation, along with foundation repair services for bowing and buckling walls, floor and wall cracks, and full foundation rebuilds to name a few. When you contact Highlander for a free inspection, you are choosing a BBB A+ Accredited, two-time Torch Award for Ethics Winner, with our most recent years 2021, 2022!

At Highlander Waterproofing & Foundation Repair, we are the area's trusted experts specializing in basement and crawlspace waterproofing and encapsulation, along with foundation repair services for bowing and buckling walls, floor and wall cracks, and full foundation rebuilds to name a few. When you contact Highlander for a free inspection, you are choosing a BBB A+ Accredited, two-time Torch Award for Ethics Winner, with our most recent years 2021, 2022!


Liberty Basement Systems

205 Airport Rd
5.00(
1
)

Liberty Basement Systems

205 Airport Rd
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Liberty Basement Systems is your trusted local expert for basement waterproofing, crawl space repair, and foundation repair services. Using patented products with industry-leading warranties, we provide permanent solutions for your home. Have a wet basement or nasty crawl space? Tilted, bowing, or cracked foundation walls? Our team of professionals can help. Basement Systems, Inc. products and solutions have been used to fix homes in the Eastern & Central PA area since 2009. We proudly serve homeowners and businesses throughout Eastern & Central PA. This includes Scranton, Reading, Allentown, and the surrounding areas. Contact us today to schedule your free evaluation and no-obligation cost estimate at 570-998-4540.

"Seamless experience from start to finish. Todd was super knowledgeable and through on the consult/ sales end. The install team made quick work of the project. Their work was top notch and my basement is now completely dry. I would recommend their services to anyone with basement or foundation issues."

Tyler S on January 2023

Liberty Basement Systems is your trusted local expert for basement waterproofing, crawl space repair, and foundation repair services. Using patented products with industry-leading warranties, we provide permanent solutions for your home. Have a wet basement or nasty crawl space? Tilted, bowing, or cracked foundation walls? Our team of professionals can help. Basement Systems, Inc. products and solutions have been used to fix homes in the Eastern & Central PA area since 2009. We proudly serve homeowners and businesses throughout Eastern & Central PA. This includes Scranton, Reading, Allentown, and the surrounding areas. Contact us today to schedule your free evaluation and no-obligation cost estimate at 570-998-4540.

"Seamless experience from start to finish. Todd was super knowledgeable and through on the consult/ sales end. The install team made quick work of the project. Their work was top notch and my basement is now completely dry. I would recommend their services to anyone with basement or foundation issues."

Tyler S on January 2023


Barkers

Main St
5.00(
1
)

Barkers

Main St
5.00(
1
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Barkers offers a variety of services including home renovation, roof repair, flooring, landscaping, fencing, etc. We guarantee quality work in a timely fashion within your budget. At Barkers, we take pride in our work and make it our mission to ensure 100% customer satisfaction. Barkers is a quickly growing, owner operated company, that employs only the most experienced and skilled workers.

"The service was excellent. He was fair and timely. I am very pleased with the outcome."

Jamie L on October 2021

Barkers offers a variety of services including home renovation, roof repair, flooring, landscaping, fencing, etc. We guarantee quality work in a timely fashion within your budget. At Barkers, we take pride in our work and make it our mission to ensure 100% customer satisfaction. Barkers is a quickly growing, owner operated company, that employs only the most experienced and skilled workers.

"The service was excellent. He was fair and timely. I am very pleased with the outcome."

Jamie L on October 2021


Alternative Basement Solutions

240 James Street
No reviews yet

Alternative Basement Solutions

240 James Street
No reviews yet
13 years of experience

Alternative Basement Solutions has more than 20 years experience in keeping basements dry and free of mold and mildew. We serve happy customers from all over the State of Pennsylvania and Western Maryland. Our entire staff works hard to create a safe and dry home for every customer. Our industry experience brings you the best quality in basement waterproofing and home ventilation systems.

Alternative Basement Solutions has more than 20 years experience in keeping basements dry and free of mold and mildew. We serve happy customers from all over the State of Pennsylvania and Western Maryland. Our entire staff works hard to create a safe and dry home for every customer. Our industry experience brings you the best quality in basement waterproofing and home ventilation systems.



J&D Contracting

Unknown
No reviews yet

J&D Contracting

Unknown
No reviews yet
Free onsite estimate

We market our business as doing the work you need around the house but lack the time or know how for. We have the insurance and references to let our customers know their home is in good hands when they approach us

We market our business as doing the work you need around the house but lack the time or know how for. We have the insurance and references to let our customers know their home is in good hands when they approach us


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Basement Waterproofing questions, answered by experts

A sewage smell in your crawl space is usually from a damaged or clogged pipe leaking sewer gasses or actual sewage underneath your home, but there are some other common causes. Moisture, from poor or damaged encapsulation or a malfunctioning sump pump, can harbor mold and bacteria, causing a musty smell. Pests can also get stuck in your crawl space and die, which causes a sewage-like odor.

The best way to waterproof a basement is to install a properly functioning gutter system and a French drain around the outside of the foundation. The best solution for your home could involve other waterproofing methods that resolve the problem unique to your situation. Depending on your soil type, climate, and other factors, that could include sealing, landscape alteration, interior drainage systems, and more.

Mold and mildew are the things in basements that actually cause the musty odors, but moisture is the underlying issue that causes mold and mildew growth. Addressing moisture and water problems and then removing materials that are moldy are some of the best ways to get rid of the musty odors. Preventive measures after that—like installing air fresheners and a dehumidifier—can help keep musty odors from returning.

Proper basement ventilation is very effective at reducing humidity. Without enough ventilation, your basement is prone to mold and moisture damage. Your basement should have as much natural ventilation via windows and doors as possible, and if your budget allows, you should also consider installing an ERV system to keep basement humidity levels at bay.

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.

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The Sullivan, PA homeowners’ guide to basement waterproofing services

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