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Best basement waterproofing pros near Oswego, IL

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    Average homeowner rating
  • Verified reviews icon74
    Verified basement waterproofing services reviews

Top-Rated Basement waterproofing pros in Oswego - Updated Nov 2026

Avatar for U.S. Waterproofing
U.S. Waterproofing
4.2(
598
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Oswego, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"My sump pump goes off all the time; I think there is a natural spring around my house. Joe Silverberg, my local U.S. Waterproofing rep., has been wonderful in advising me on my sump pump replacement, (which works beautifully by the way and gives me so much peace of mind!), and on sealing cracks in my basement walls. Whenever I have needed him, Joe comes over right away to address the situation. I highly recommend Joe and U.S. Waterproofing, who does excellent work and stands by that work!"
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
17 neighbors recently requested a quote
Avatar for Ulb-Dry Waterproofing Inc
Ulb-Dry Waterproofing Inc
4.9(
130
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Oswego, IL and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"I just bought a house in Glenview. I was looking for a company that could install a drainage solution to one side of my house. The grade runs towards the north side of the house causing excess water runoff and potential seepage into the basement. I did my research and found ULB-DRY Waterproofing. I have to say that the entire process was absolutely flawless. Their estimator came out to assess the situation and provide solutions. They had to come out a second time to perform a site survey to make sure their solution would work properly (making sure there was enough pitch from the front of the property to the back to drain the water). Once everything was assessed we scheduled a day for their crew to come out to perform the work (installing a french drain to move excess water build up away from the side of the house). They also connected one of my gutter downspouts to the pipe to drain that water away also. The crew was very professional, hard working, and technically sound. Not many companies have all these attributes. They really knew what they were doing. This company is awesome."
Exposed Wall
After
Install Drainage mat over Stone
Additional Photos
Clean Wall crack

+2

Response time1 day
18 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,539
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Oswego, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"We had our basement waterproofed last year and were very happy. This year's project was adding two support beams. Again, we were very happy with the quality of the work and the people we dealt with. Both Gunnar and his team and Perfecto were skilled, efficient, and very professional. Highly recommend."
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

Response time1 day
Response rate100%
47 neighbors recently requested a quote
Avatar for Everseal Basement, Inc.
Everseal Basement, Inc.
4.5(
130
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Oswego, IL and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Ever seal did a fantastic job figuring out what my problem was, quoting a decent price and fixing my problem. I highly recommend them for wAterproofing; I'm only sorry I didn't call them earlier."
Response time1 day
Response rate88%
3 neighbors recently requested a quote
Avatar for The Real Seal LLC
The Real Seal LLC
5.0(
252
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - RepairBasement Drainage Channels - Install

Serving Oswego, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"Out of the three basement waterproofing experts we called to offer solutions after getting a lot of water in the basement of our 1925 home, Joe at The Real Seal was the only one who seemed to take serious time in investigating the cause. He even came back a second time after we got more water in another spot to see what could be causing it and what a cost-effective solution might be. On top of that, the price was right! We never ever felt pressured into committing to the work, and they seemed confident in their skills to get the job done. Our partial interior drain tile job was finished in two days. While we can't yet vouch for the drain tile's efficacy since we haven't gotten a large spring rain yet and we're still in the process of refinishing our basement after it was demoed for this work, we expect we'll have a dry basement!"
Before and After Crack Repair
I Beam Supports
Polyjacking in Darien
Our Carbon Fiber Straps Repair Before, During, and After
Crack repaired with Carbon Fiber Staples

+39

Response time10 hrs
244 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Best Solutions Basement Repairs & Waterproofing
Best Solutions Basement Repairs & Waterproofing
5.0(
5
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Oswego, IL and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

before
after picture
Response time2 days
8 neighbors recently requested a quote
Avatar for The Real Seal, LLC
The Real Seal, LLC
4.5(
38
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Oswego, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"I worked with Austin Werner at Real Seal to get some basement sump pump work done. He came out initially and gave me a quote and different options for my basement sump pump. He was very knowledgeable and gave pros and cons of different options. The quote was priced very fairly. They were able to get us on the schedule quickly. On the day off, the Real Seal technician called me the morning to let me know what time they would be here. The job was done very professionally and they answered all my questions. They cleaned up after the install. Highly recommended."
 Interior Foundation Crack Repair
Exterior Drain Tile System
 PHCC 1730 Battery Backup System w/ 1033 sump pump
 Interior Foundation Crack Repair
Cut-out of Interior Drain Tile System

+74

Response time10 hrs
26 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Chicago Basement Systems
Chicago Basement Systems
5.0(
8
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Oswego, IL and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"I needed the sill plate and rim joist replaced, sister in the joist in the front of our house. They had many jobs going on so they brought in a crew Anthony, Jerry and Jose from New Jersey so the could get mine done. Anthony let me know what they were doing as things progressed. He asked me if I had questions as he worked. Everyone in the crew where so considerate. The laid down tarps to walk on so as not to damage my floors and they cleaned up everything and the end of the day. I would recommend Chicago Basement Solutions to anyone who needs work done in their crawl of basement."
Crack Repair Before
Crack Repair After
94 neighbors recently requested a quote
Avatar for Copper Sky Plumbing
Copper Sky Plumbing
4.8(
55
)
Basement Drainage Channels - Install

Serving Oswego, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Emergency services offered

Family owned and operated. Owner, David Torres is a registered Master Plumber. Licensed, Bonded & Insured. 20 years of experience. Don't get flooded by plumbing problems! We can fix it. *FREE PLUMBING INSPECTION INCLUDED WITH ANY SERVICE*~ Just mention this ad!\nCopper Sky Plumbing addresses each job with attention to detail and excellent customer service. You can be confident in a company that is honest and fair with the experience to get the job done right the first time.\nAccepting cash, credit cards, check or PayPal. * FINANCING OPTIONS AVAILABLE*

Electric to Gas
Original bathtub before
Demolition has begun
Shower walls are removed, bathtub is sawed in half for removal.
Ready to begin installation of new shower.

+39

Response time11 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for AccuLevel, Inc. - Northern Illinois
AccuLevel, Inc. - Northern Illinois
3.9(
215
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Oswego, IL and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"They are great to work with. Communication was superior. They stand by their work. A few years ago I had waterproofing done in my basement and this time they spray foamed the cavities of the basement too. Both times they did awesome work and cleaned up too! I highly recommend this company!"
Wall Anchors
Exterior Foundation Repair
Bowed Wall Foundation Repair AFTER
Horizontal Wall Crack BEFORE
Exterior Wall Anchors

+31

Response time4 days
67 neighbors recently requested a quote
Recommended by87%of homeowners
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Basement Waterproofing FAQs, answered by experts

Home improvement grants are available for various groups, including individuals with very low-income housing, elderly people, older adults, and veterans. These grants can cover a range of needs, from accessibility modifications to addressing critical issues that may affect a resident's health or safety.

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.

Flooded basement cleanup can take anywhere from a few days to several weeks, depending on the extent of water damage, the type of water involved, and the need for repairs or mold remediation. Severe cases with structural damage or extensive mold may require longer timelines. Quick action and professional help can speed up the process and reduce overall damage.

Yes, the air from a damp basement can travel up into your living area through a process called the stack effect, so moisture, mold spores, and other debris in your basement air can all decrease your indoor air quality on your main floors. Additionally, damp basements can promote the rotting of building materials, which can damage flooring, insulation, and framing on your first floor in addition to materials in the basement.

Crawl space encapsulation typically lasts between 10 to 20 years. If you experience a catastrophic event, like a flood, or poorly encapsulate your space with low-quality materials, it may only last a decade. Otherwise, as long as you properly maintain your crawl space, a high-quality encapsulation can last more than 20 years.

The Oswego, IL homeowners’ guide to basement waterproofing services

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