The 3 things I learned when I had my foundation repaired that shocked me: contractors measure with zip levels

https://claytonzwhp421.trexgame.net/3-things-to-know-before-you-encapsulate-crawlspace-and-hire-a-foundation-repair-pro

The 3 things I learned when I had my foundation repaired that shocked me: contractors measure with zip levels, data guides lifts, and you should ask for before/after elevation maps.