How Do You Know If Foundation Damage Is Getting Worse?

Cracks that grow longer, wider, or appear in new places are a clear warning. Hairline cracks may stay harmless, but if you can fit a coin into a crack that was once thin, the foundation is likely moving. Look for stair-step cracks along brick or block walls, as these often indicate shifting soil.

Doors and windows that suddenly stick or no longer close properly point to settling. Floor slopes or gaps where the wall meets the floor can also develop. If you see these changes over weeks or months, the damage is probably active and needs attention.

• New cracks or cracks that widen over time
• Doors or windows that jam or stick
• Uneven or sloping floors
• Gaps between walls and ceilings or floors
• Water pooling or puddles near the foundation
• Musty smells in basements or crawl spaces

Keep a simple record of cracks and other signs. Mark the ends of a crack with a pencil and note the date. Take photos from the same angle each month. This helps you see whether the crack is spreading, even if the change is gradual.

Measure door and window gaps with a tape measure. Write down the numbers and compare them later. If a gap grows by a quarter inch or more, that is a strong sign of ongoing movement. Documenting changes also helps if you need to file a claim with your insurance company.

• Mark crack ends with a pencil and date
• Photograph cracks and gaps monthly
• Measure door and window gaps with a tape
• Note any new cracks or changes in old ones
• Check after heavy rain for new signs

During an inspection, the pro will examine the foundation inside and out. They look for cracks, bowing walls, and signs of water entry. They may check the grading around your home and the condition of gutters and downspouts. The goal is to find the cause of the damage, not just the symptoms.

The inspection report usually describes the extent of the damage and suggests repairs. It may include photos and measurements. This documentation is useful for your insurance claim, if you decide to file one. Policies vary, and your insurer decides what is covered.