A Waterproofing Solution Inc
“The day and a half of labor involved in the project was done by a team of dedicated workers who seemed to be very familiar with the process of digging French drains and pouring cement for them.”
Best Basement Waterproofing Contractors near Lower Merion, PA
These contractors serve Lower Merion from nearby bases in towns including Philadelphia, King of Prussia and Oreland.
15 contractors listed · 3 open 24/7 · 11 open weekends · 14 rated 4.5+ · 5 show a license
Data verified October 31, 2026
Advanced Paving and Masonry
“Everything went well as planned and they even did some additional work that was necessary once they started and at no change to the price quoted.”
Basement Gurus
“Their competitive pricing initially caught my attention, but it was their top-of-the-line equipment and speed that truly impressed me.”
Dry Tech Waterproofing Solutions
“The workers were very professional and respectful as they kept me informed on the work progress and had everything cleaned up after the job.”
Jamison Basement Waterproofing
“Ellerie and his crew showed up 10 minutes early, were courteous, and did an outstanding repair to the crack in my foundation.”
Hawthorne Painting
“The team at Hawthorne came recently to paint our living room and kitchen - they were communicative and flexible throughout the booking process.”
The 15 contractors listed for Lower Merion, PA work on wet basements, foundations and crawl spaces. Warranty claims, free inspection offers and hours come from each company's own website. Diagnoses in this trade vary widely, so read more than one before committing to a system.
Area overview: Lower Merion, PA
The 15 contractors on this page are rated from 4.3 to 5.0 across 2,501 reviews; 10 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), quality (88%) and responsiveness (83%). The topics that come up most in reviews of the contractors on this page are "estimates", "cleanliness" and "price". 3 are open around the clock; 11 are open on Saturdays and 7 on Sundays. The services the contractors on this page list most often on their websites are foundation repair (6), basement waterproofing (3), mold remediation (3), structural repair (3) and star bolts (2). 5 show a license on their websites. Domain records put 5 websites of the contractors on this page at ten or more years old; the oldest dates from 2006. 4 offer emergency call-outs; 5 offer financing or payment plans; 11 give free estimates; 4 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 15 of the contractors on this page; 13 publish a contact page; 9 list a public email and 1 takes bookings online. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
How many opinions should I get for a damp problem?
There are 15 listings for Lower Merion. Get more than one assessment before you commit, because diagnoses in this trade differ more than prices do, and one crew's interior system is another crew's regrading job. Compare what each says is causing the water, not just the total at the bottom of the page.
Jamison Chimney Services
“Final invoice for the work matched the estimate I was provided before the work was scheduled.”
MCG Construction Inc
“Amongst the many projects I've done to my house, MCG construction was by far the best experience.”
Main Line Waterproofing
“The team went out of their way to fix our leak in a timely manner.”
Craft Pro Masonry Restoration Inc.
“This company completed the work in a week and then returned a call to provide an explanation of the process and repairs made.”
Philadelphia Foundation Repair & Waterproofing
“They found a sewage problem in the midst of the repair and even guided us on how to get that repaired so that they could finish the job quickly.”
Hard Knox Waterproofing
“In a short time they had drywall removed, roughcasted areas in need and placed a vapor barrier to direct any water to the French drain system they previously installed.”
Moisture Master Pros
“He took his time to explain what he was doing and gave me great recommendations for future mold prevention and remediation.”
Del-Val Basement Waterproofing – Basement Waterproofing
“The team leader (did I get his name right was it Sises?) wonderful man, who listened to me and put up with my curiousity of what they were doing.”
Basement Waterproofing Scientists
“They were on time, respectful of our property as well as to myself and my husband.”
Why these companies made our list
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