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Professional basement waterproofing and foundation repair
Basement Waterproofing Services

Professional Basement Waterproofing and Crawl Space Repair in Berwyn, PA

Berwyn, PA is known for its historic charm, highly rated Tredyffrin-Easttown School District, and welcoming family-friendly atmosphere. The community features beautiful tree-lined neighborhoods, a walkable business district, and convenient access to Philadelphia through SEPTA Regional Rail. While Berwyn offers an attractive suburban lifestyle, many homes throughout the area experience basement moisture issues and foundation concerns caused by aging construction, seasonal weather conditions, and shifting soil over time.

At Jamison Basement Waterproofing, we provide dependable waterproofing solutions tailored to the specific needs of Berwyn homeowners. Older foundations, mature landscaping, and changing drainage conditions can all contribute to water intrusion, excess humidity, and basement leaks. Our team works to identify the source of the issue and install long-term systems designed to help keep your basement dry, healthy, and structurally protected.

The Berwyn area experiences humid summers, cold winters, and regular rain and snowfall throughout the year. Freeze-thaw cycles and aging drainage systems can place added pressure on foundation walls and basement floors, increasing the risk of cracks, mold growth, musty odors, and water damage if problems are left untreated.

Our experienced waterproofing professionals offer a complete range of basement and foundation solutions, including interior drainage systems, sump pump installation, exterior waterproofing, crack repair, crawl space moisture control, and foundation stabilization services. Every project is customized to the specific layout and condition of your property to provide dependable, long-lasting protection.

For more than 35 years, Jamison Basement Waterproofing has proudly helped homeowners throughout Pennsylvania maintain safer, drier home. As a family-owned and operated company, we take pride in delivering quality workmanship, honest recommendations, and personalized waterproofing solutions backed by decades of experience and trusted customer care.

Jamison Basement Waterproofing's Services in Berwyn, PA

Our services are designed to keep your home healthy and safe. Here's a list of some of our popular services in Berwyn, PA.

Contact Jamison Basement Waterproofing Today

For more information about any of our services, please call 484-276-2272 or send us a message via our online contact form found in our Contact Us page. We would be happy to provide with a quote and answer all your questions about our services.

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Customer Reviews from Berwyn and Surrounding Areas ( 5
from 12 reviews )

Happy Customers across Berwyn and Surrounding Areas

Completed Jobs from Berwyn and Surrounding Areas

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February 22, 2026 | Berwyn , PA

March 09, 2021 | Berwyn, PA

June 25, 2018 | Berwyn, PA

August 13, 2017 | Berwyn, PA

We provided the Berwyn homeowner with a new GrateSump liner and a FastSump 1/3hp pump. We ran the discharge out through the foundation wall and connected into a 20 foot underground line so the water drains away from the foundation.

February 27, 2017 | Berwyn, PA

The basement wall crack had an active leak for some time, so it took a little longer to stop the crack from leaking, especially because it had rained just a day before the installation.

To address this, we replaced the existing sump pump that had burned out with a new Fast Sump. We also repaired the leaking foundation wall crack. Now the homeowners can put their home on the market without the fear of losing resale value due to basement waterproofing issues.

September 13, 2016 | Berwyn, PA

Project Manager Steve Custus recommended we install our ultimate Sump pump system 2 Basins one with an Half horse power pump , the other a 1/3hp pump combine they can handle close to 6 gallons of water per hour . Last but not least a Battery Back up inverter that can handle 2800 gallson per hour if the power was to go off ... Now the homeowners finally has peace in mind !

September 04, 2013 | Berwyn, PA

Jamison Basement Waterproofing installed a full perimeter Grate -Drain (Closed) DrInage System to protect all 142 linear feet of their basement from water intrusion. Also installed was the patented freeze stop system which will prevent their basement from flooding should the exterior pipes ever freeze up in the winter time , The homeowners were also concerned about what would happen should a hurricane or other extreme weather event happen in the area again. To ensure that the basement would never flood even during power outages, Jamison Basement Waterproofing installed 2 sump pump which has a battery Inverter for 24-hr protection . Dave the Project manager also recommended several Inspection ports so that the homeowners could move their high volume dehumidifier from location to location without ever having to empty the water and to make inspection of their system in the future very easy for future annual service. Crew Foremen : Steven Custus and crew went over and behind to wow this client.

September 13, 2016 | Berwyn, PA

Project Manager Steve Custus recommended we install our ultimate Sump pump system 2 Basins one with an Half horse power pump , the other a 1/3hp pump combine they can handle close to 6 gallons of water per hour . Last but not least a Battery Back up inverter that can handle 2800 gallson per hour if the power was to go off ... Now the homeowners finally has peace in mind !

August 13, 2017 | Berwyn, PA

We provided the Berwyn homeowner with a new GrateSump liner and a FastSump 1/3hp pump. We ran the discharge out through the foundation wall and connected into a 20 foot underground line so the water drains away from the foundation.

September 04, 2013 | Berwyn, PA

Jamison Basement Waterproofing installed a full perimeter Grate -Drain (Closed) DrInage System to protect all 142 linear feet of their basement from water intrusion. Also installed was the patented freeze stop system which will prevent their basement from flooding should the exterior pipes ever freeze up in the winter time , The homeowners were also concerned about what would happen should a hurricane or other extreme weather event happen in the area again. To ensure that the basement would never flood even during power outages, Jamison Basement Waterproofing installed 2 sump pump which has a battery Inverter for 24-hr protection . Dave the Project manager also recommended several Inspection ports so that the homeowners could move their high volume dehumidifier from location to location without ever having to empty the water and to make inspection of their system in the future very easy for future annual service. Crew Foremen : Steven Custus and crew went over and behind to wow this client.

February 27, 2017 | Berwyn, PA

The basement wall crack had an active leak for some time, so it took a little longer to stop the crack from leaking, especially because it had rained just a day before the installation.

To address this, we replaced the existing sump pump that had burned out with a new Fast Sump. We also repaired the leaking foundation wall crack. Now the homeowners can put their home on the market without the fear of losing resale value due to basement waterproofing issues.

September 23, 2017 | Wayne, PA

When Mike contacted project manager Steve Custus he new exactly what he wanted an exterior crawlspace Drainage system with exterior damp proofing to keep ground water out . We also installed a new Grate-Sump pump which will pump any ground water away from the crawlspace all while keeping the crawlspace Dry of ground water seepage...

Real Client Needs in Berwyn

Meredith G.

I called to get a free on-site estimate for basement waterproofing and crawl space repairs. I scheduled an appointment for a technician to come evaluate the work.

Before and After Job Photos Berwyn

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October 14, 2016 | Conshohocken, PA

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iBasement Systems & Crawl Space Systems Certificates in the Philadelphia Area

The iBasement Systems and Crawl Space Systems Certificates were created using specific sets of criteria to provide a healthy indoor living environment. Air pollutants and excessive moisture levels in the basement or crawl space can negatively impact the odors in the home as well as cause health problems with those who live there year-round - including yourself!

We offer 6 levels of iBasement Certificate, and 5 levels Crawl Space Systems Certificate, each designed to solve specific problems and protect your home, family, and property value on the long run.

Basement Space System
Crawl Space System
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