More concerning patterns
Horizontal wall cracks, stair-step masonry cracks, cracks with visible offset, rapidly widening cracks, and repeated cracking after repairs deserve closer attention. Sudden changes are generally more urgent than old, stable hairlines.
Look beyond the crack
Sticking doors, sloping floors, wall bowing, exterior brick movement, or gaps around openings can make a crack more meaningful because they suggest movement may be affecting more than one finish material.
Monitoring versus evaluation
Small stable cracks may be monitored, but homeowners should not rely on width alone to diagnose structural safety. If the condition is changing or you are unsure, an on-site assessment is the safer next step.
Related foundation guides
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