Best Concrete Contractors near Dundalk, MD
1 of these companies is based in Dundalk; the others serve Dundalk from towns including Pasadena (11 mi), Rosedale (4 mi) and Baltimore (7 mi).
2 open 24/7 · 10 open weekends · 13 rated 4.5+ · 10 show a license
Data verified October 21, 2026
Budget Waterproofing
Jones Asphalt
AA Action Waterproofing
MD Waterproofing
Allmaster Home Services
Listed for homeowners in and around Dundalk, MD, these 15 companies pour and repair concrete. What each one says about finishes, sealing and removing an old slab comes from its own website; the ratings and comments on this page come from public reviews.

Area overview: Dundalk, MD
The 15 companies on this page are rated from 4.3 to 5.0 across 1,454 reviews; 12 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (87%), quality (84%) and punctuality (68%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "cleanliness". 2 are open around the clock; 10 are open on Saturdays and 3 on Sundays. The services the companies on this page list most often on their websites are basement waterproofing (2), crawlspace waterproofing (2), driveway paving (2) and sump pump installation (2). 10 show a license on their websites; 1 lists staff certifications (EPA) and 7 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 46 years. 3 offer emergency call-outs; 2 offer financing or payment plans; 9 give free estimates; 6 are family- or locally-owned and 2 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Which companies here quote at no charge?
Free quotes appear in 9 of the 15 listings on this page. Flatwork cannot be priced over the phone anyway. Someone has to see the fall of the ground, the route a mixer truck would take, and whether an old slab has to come out before anything new goes down.