Most garage doors in this service area sit on houses built between 1981 and 2000, which means the original torsion springs on a lot of those doors are now entering their third or fourth decade of daily cycling. A torsion spring has a rated life measured in cycles, not years, and a door used twice a day for thirty-plus years runs out that rating regardless of how well it was installed.
With roughly 19,085 owner-occupied houses across the area, a lot of those original builder's-grade springs are reaching end of life around the same stretch of years, which is why spring calls cluster rather than trickle in evenly. The 1980s and 90s stock common here often used lighter-gauge springs than code requires on newer builds, and those wear sooner under the same daily use.
Cold winters add their own stress. Spring steel loses some flexibility as temperatures drop, and a spring already near the end of its cycle life is more likely to snap on a cold morning than a mild afternoon. At a median household income of $87,022, most owners here choose a same-day spring swap over living with a door that won't close, which is the call volume we plan our schedule around.