Foundation Help for Every Home in River Market

What Foundation and Waterproofing Challenges Affect River Market?

Nothing about River Market's foundations makes sense without the river. The city's oldest riverfront district sits right against the Missouri, and that proximity means an extremely high water table — groundwater is always close, and always pressing.

The massive brick masonry of these mid-1800s lofts and market buildings was never sealed for that kind of constant hydrostatic load. Water finds every mortar joint and pore in the walls and seeps in continuously, not just after storms. On foundations this old and this close to the river, dampness isn't seasonal — it's the default state, and it works on the masonry around the clock.

JLB waterproofs these structures at an industrial grade to match the load. We inject chemical grout into the masonry to fill voids and stop active water paths through the wall itself, then back it with heavy interior drainage and high-capacity sump systems built to move real volume against a high water table. The goal is a below-grade space held dry against constant pressure.

You can't out-patch the Missouri River — you have to engineer for it. In River Market we treat century-old masonry to industrial waterproofing sized for a permanently high water table, so the oldest walls in the city finally stop weeping.

A River Market basement is never going to be bone-dry by fighting the river head-on — the goal is a managed, controlled space. We build to move water continuously rather than block it entirely, because against a water table set by the Missouri, an industrial drainage and pumping system that always runs beats a barrier that eventually fails.