What are the signs of: Foundation wall bowing inward?

Visible inward bow or bulge in basement or crawl-space wall. Horizontal crack running along the middle of a block or poured wall. Step cracks radiating from corners at a 45-degree angle. Doors or windows in the basement no longer close properly. Water seeping through new cracks after rain.

Who to call · Oakland

Foundation wall bowing inward — Oakland, California

Q: Who should I call for Foundation wall bowing inward in Oakland?

For this problem in Oakland, call a Foundation Specialist.

A foundation wall that bows inward is a structural emergency. Lateral soil and hydrostatic pressure push the wall beyond its design capacity, creating horizontal cracks at the midpoint and step cracks at corners. Left unaddressed, the wall can eventually collapse. A foundation specialist evaluates the deflection, installs carbon-fiber straps, steel I-beams, or helical tiebacks depending on severity, and addresses the drainage deficiency that caused the pressure.