The homes here cluster around 1974, a good six years ahead of the median for the wider Agoura Hills service area, where construction mostly runs 1967 to 1999. That earlier date matters because garage door hardware changed more than once between then and the 1980s-90s stock that dominates the other eleven named areas we cover. A door installed in 1974 is more likely to be on an older torsion setup, sometimes with a single spring doing the work a double-spring system would handle on a later build. Track hardware from that period also used different mounting brackets than what became standard later, which is the kind of detail that trips up a repair if nobody checks the install date first. None of this is dramatic, but it means the Westlake Village stock isn't a smaller copy of the newer homes a few miles off. It's an earlier generation of door, and the common failure points follow from that.