Definition
The structural base upon which your house is built, typically made of concrete, stone, or brick. The foundation supports your entire structure and transfers loads to soil.
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Foundations come in several types: concrete slabs (common in warm climates), basements (common in cold climates), crawl spaces (intermediate option), and pier-and-beam systems (older homes). Foundation problems range from minor cosmetic cracks to serious structural issues requiring expensive repairs. Regular monitoring and maintenance help prevent costly damage.
Pro Tip
Minor foundation cracks are common, but horizontal cracks or cracks wider than 1/4 inch warrant professional evaluation.
Example
A home inspector in Missouri discovered horizontal cracks in a poured concrete foundation, a sign of pressure from water or soil movement. Further investigation revealed poor drainage around the foundation, contributing to water infiltration. The buyer negotiated a $4,000 allowance for foundation waterproofing and improved exterior drainage.