The reason install calls in Port Orchard skew toward full replacement rather than simple swaps comes down to the age of the stock. With a median build year of 1984 and most homes falling in the 1962-1997 range, a large share of the doors out there are on their second or third opener but still hanging on the original track and drums from construction. That hardware wasn't built to today's spring and cable specs, so a straight panel swap onto old track often isn't possible - the whole assembly gets replaced together.
Climate plays a smaller but real part. This is a mild band with occasional freeze, not the deep-freeze cycling that cracks concrete slabs elsewhere, but enough seasonal damp-to-cold swing over thirty-plus years to work moisture into steel jambs and swell wood framing around the opening. That's why we see openings that have shifted just enough to throw off a stock-size door, especially on the older end of that 1962-1997 range.
Across the service area's roughly 43,074 households and 26,986 owner-occupied houses, a lot of that stock is hitting the same age wall around the same time, which is why installation calls cluster the way they do rather than trickling in evenly.