Anchor Waterproofing
“We used Anchor in 2006 on one side of our home and we never had a problem.”
Best Basement Waterproofing Contractors near Dundalk, MD
2 of these contractors are based in Dundalk; the others serve Dundalk from towns including Baltimore (7 mi), Linthicum Heights (10 mi) and Glen Burnie (10 mi).
3 open 24/7 · 10 open weekends · 13 rated 4.5+ · 9 show a license
Data verified November 7, 2026
GMP Construction LLC
“GMP Construction gave me an estimate, I signed the agreement, and scheduled the start date.”
Budget Waterproofing
“From the initial inspection and estimate to the finished work, I found everyone at Budget Basement Waterproofing professional, knowledgeable, courteous and friendly.”
Jones Asphalt
“Paving work was subsequently done to my satisfaction and went beyond my expectations, in summary they provide value for money and I highly recommend them to anyone looking to pave a parking lot or road.”
AA Action Waterproofing
“I am very pleased with the work AA Action did to correct our water problem in our basement.”
MD Waterproofing
“They came in, did their work, installed two new sump pumps with new pipes (since ours was over 40 years old).”
The 15 contractors listed for Dundalk, MD 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: Dundalk, MD
The 15 contractors on this page are rated from 4.3 to 5.0 across 1,603 reviews; 12 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (88%), quality (86%) and punctuality (70%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "cleanliness". 3 are open around the clock; 10 are open on Saturdays and 3 on Sundays. The services the contractors on this page list most often on their websites are basement waterproofing (4), crawlspace waterproofing (2), driveway paving (2) and mold remediation (2). 9 show a license on their websites; 1 lists staff certifications (EPA) and 6 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 36 years. 4 offer emergency call-outs; 4 offer financing or payment plans; 14 give free estimates; 4 are family- or locally-owned and 2 list coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Why do some listings show another town or city?
Only 2 of the 15 listings give Dundalk as their address; the others come from other towns within 15 mi. Specialist crews in this trade cover wide territory and travel to the work. Distance matters later rather than now: ask how far they will come back for a warranty callback.
Allmaster Home Services
“Showed up when they said they would.”
Detailz Construction Corporation
“They have done a variety of jobs for us, including building a parking pad and a new front stoop.”
Eco Pro Restoration
“He provided a thorough inspection and an honest evaluation of the problem, including ways that we could remediate the issue on our own, much more affordably.”
Affordable Basement Waterproofing
“A couple of major snags occurred during the project to no fault of theirs (my basement floor had twice the amount of concrete as normal) which involved the crew working 2 extra days to finish at no extra charge.”
Orellana Construction LLC
“They were always on time, detail-oriented, and Jose was always available to answer questions.”
Always Waterproofing
“The owner James is an outstanding gentleman and I would strongly recommend this team for any foundation leak issues”
Maryland Concrete Leveling
“The day of construction they were right on time, worked hard and I was very pleased with the results”
DEK Drain
“The company was very responsive and helpful, and after I decided to adjust my plan to include picture frame decking, they resent additional material I needed to make it work with an updated plan.”
Floodbusters Basements
“Floodbusters did exactly what they said that they would do at the price they quoted.”
Why these companies made our list
What customers say about contractors near Dundalk
- “Bill and his team showed up on time and did great work and Bill even went out his way to fix some issues with my sump pumps.” — customer of Affordable Basement Waterproofing
- “The estimate was fair, they came up with a good solution for relocating our sump pump, and the work was completed fast.” — customer of AA Action Waterproofing
- “Steve is very transparent and thoroughly explained each step to encapsulating the crawl space.” — customer of MD Waterproofing
Excerpts from public reviews of the contractors listed on this page.
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