Most of the housing stock across this service area went up between 1968 and 2000, with the median build year landing around 1990. That means a huge share of openers in use right now are either original units from that era or first-generation replacements installed in the 2000s - both well past the point where gears, boards, and sensor wiring hold up reliably.
The climate band here is cold and moderately damp, not desert-dry. Garages built in that window typically aren't insulated or vapor-sealed the way a conditioned living space is, so openers sit through repeated freeze-thaw cycles and condensation swings all winter. Capacitors on logic boards degrade faster under that kind of humidity cycling than they would in a dry climate, and steel sensor brackets corrode at their mounting screws, which throws off alignment over years without anyone touching them.
Across the 36 named areas we cover, this pattern repeats: 1980s and 90s construction, unheated garages, openers nobody has serviced since installation. It's not that Everett's weather destroys openers outright - it's that this specific combination of housing age and cold, damp air shortens the realistic lifespan of the parts most likely to fail first: gears, boards, and sensors.