Valrico's households skew higher-income than the broader service area - median household income here runs about $98,451, well above the $71,012 figure across the wider territory. That matters less for why doors fail and more for what happens after: homeowners here are more likely to replace an aging opener outright rather than nurse it along, which is often the right call once a unit hits its late-20s.
The mechanical reason doors fail is still the build year. A neighborhood that went up around 1996 is now old enough that the original torsion springs have likely cycled past their rated life, and the openers from that generation are at the point where the circuit boards and drive gears wear out faster than the housings around them. With roughly 14,133 households in Valrico, that's a lot of garages carrying the same original hardware, aging out around the same window.