Most of the houses on this side of Brandon went up between 1979 and 2013, with the median build year sitting right at 1991. That's a torsion spring and opener fleet that's now thirty-plus years old in a lot of driveways. Springs are rated in cycles, not years, and a spring installed when the house was framed has usually been through more open-close cycles than its rated life allows, especially on a door that gets used daily by a working household. Across Brandon and the 27 surrounding named communities, the housing stock skews heavily toward 1980s and 90s builds, which means the same spring, same cheap steel rollers, and often the same chain-drive opener from that era are still sitting in the garage. Brandon's climate band is mild temperate, so you're not fighting the freeze-thaw cracking that kills springs up north. What you're fighting instead is humidity. Tampa-area moisture works into the galvanized coating on springs and into unpainted bolts and hinges over decades, and that slow corrosion weakens metal in ways a visual check won't always catch until the spring lets go.