Dear Jim: I noticed a small crack near the base of my foundation last year, but I didn’t think much of it at the time. Lately, I’ve been paying more attention to the area and saw some signs of moisture and a bit of soil movement nearby. Should I be concerned, or is this still a minor issue?
Cracks near the foundation, even small ones, are always worth keeping an eye on—especially if you’re also noticing soil shifting or signs of moisture nearby. These early indicators might not seem urgent, but they often point to underlying drainage issues that, left alone, can grow quickly.
We like to think of this kind of progression like the Fibonacci sequence: the pattern where each number builds on the two before it—1, 1, 2, 3, 5, 8, 13, and so on. Things start small and manageable. But without intervention, the next phase is bigger, and the next one after that grows even faster. That’s often how foundation problems work. A hairline crack becomes a structural gap. A little moisture turns into standing water. Soil shifts lead to uneven settling.
Small Issues Multiply Over Time
If water isn’t draining properly around your home—even if it’s not visibly pooling—it can begin to saturate the soil near your foundation. That moisture builds pressure and slowly weakens the structure. When combined with expanding soil, dry spells, or even minor slope changes, those small foundation cracks can widen. Left too long, you’re looking at structural repairs rather than simple fixes.
What You Can Do Now
Check the area around the crack. Look for changes—widening, stair-step patterns in brick or stucco, or crumbling along the edges.
Walk your property. Look for low spots in the yard, signs of erosion, or wet areas that stay damp longer than others.
Bring in a professional. A contractor can assess whether the issue is stable or part of a growing pattern.
Get Ahead of the Curve
We always tell homeowners: the best time to deal with these issues is before they become urgent. Just like the Fibonacci sequence, small things tend to grow faster than you expect. A bit of planning now can save you from a bigger, costlier repair down the road.
If you’d like someone to take a look or talk through options, we’re happy to help.
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Conversations with Your Local Contractor is a feature by Jim Gardner of Jim Gardner Construction Inc.. If you have residential, homeowner questions OR ideas for an article you’d like Jim to highlight, please send an email to jim@jimgardnerconstruction.com.
Jim is a long-time Piedmont resident and has been doing structural repair and basement renovation in your neighborhood since 1983. To schedule an estimate or for more information please go to our estimate form.
