The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong

https://brooksrwrl680.timeforchangecounselling.com/residential-foundation-repair-3-pre-call-questions-to-protect-your-investment-2

The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong, private lines hide everywhere, and 811 marking is non-negotiable.