Issaquah's housing stock is concentrated in one stretch of time: built mostly between 1962 and 2005, with the median year sitting at 1983. That means a huge share of the doors on this side of town are original equipment from the 80s and 90s builder packages, installed when the neighborhood went up and never touched since. Areas close in - North Issaquah, Gilman, Olde Town, Squak Mountain, Issaquah Highlands - all sit inside that same build window, so the same door, the same opener, and the same steel gauge shows up house after house on a given street. That's not a coincidence, it's a construction timeline. A door that age is running on torsion springs rated for a lighter panel than what's often been swapped in over the years, or an opener that predates any kind of rolling-code security. In a cold-moderate climate like this one, an uninsulated single-layer steel panel from that era also means the garage runs colder than the rest of the house, which matters if anyone's using it as a shop or a mudroom extension. When we get a call for installation rather than repair, it's usually because the original door and the original opener are aging out at the same time - which is exactly what you'd expect from a house built in 1983.