The pattern in Sissonville traces back to when the neighborhood filled in. With a median build year of 1978, most of the housing here went up in a build wave later than a lot of the inner Charleston service area, which sits closer to a 1967 median across the broader 1949-1993 range. That gap matters: doors and openers installed in the late '70s are now solidly past the point where springs and cables were designed to last, and a lot of them have never been touched since.
Add the climate - this area sits in a cold-moderate band, which means real freeze-thaw cycling on steel tracks and hardware every winter, not just an occasional cold snap. That cycling is what turns a slightly worn cable or a slightly rusted bracket into a middle-of-the-night failure. With a median household income of $58,322 across roughly 1,171 households, a lot of these doors have also had their original hardware stretched further than a comparable door in a newer-built area, simply because full replacement gets put off. None of that is unique to any one house - it's the shape of the whole neighborhood's stock aging together.