By Anthony Ratneiya on April 17, 2026 Verified by Google GMS Basement Waterproofing Inc

George came over and gave us a rundown of what was needed, and a fair estimate. After work was completed he cleaned up and even hauled away some extra garbage for us. Highly recommended & very professional 👌🏽

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By Chicmi Events on March 23, 2026 Verified by Google GMS Basement Waterproofing Inc

This is Nathalie, and i would like to say this is the best company for basement waterproofing. I was very happy with the work George did in fixing the leaking in my basement. Very professional and a neat job. Thank you George!

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By Shawn Quait on October 3, 2024 Verified by Google GMS Basement Waterproofing Inc

Very impressed with the basement waterpoofing repair. Having worked with other basement waterproofing services these guys were the most professional. Got the job done quick to minimize disruption. Did a great job discussing options of inside vs outside waterproofing. Also identified issue with existing sump pump and bucket and replaced these as well. Great job, great quaility work, and great value!

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By Goran Č. on April 23, 2022 Verified by Google GMS Basement Waterproofing Inc

Very happy with work that George and his crew did. Very hard workers and very dedicated in their job. I will recomend GMS to everyone I know that needs quality waterproofing work done.

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By Vin Shakyaver on August 22, 2019 Verified by Google GMS Basement Waterproofing Inc

GMS Basement Waterproofing.

George and GMS are the real deal. Yes, price is excellent and comparable but don't just go by dollar and cents. George and team are ethical, hardworking, dedicated, credible, honest, going above and beyond to deliver the completion of work on time for the customer.

He communicates well, provides daily updates to set clear/concise expectation on the schedule of work. We were fortunate enough to find him through a reference, and we would gladly refer him to everyone. You won't be disappointed with his work knowledge.

Thank you, George & GMS!

Vin & Cris

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