A house from the later end of that range is more likely to have a double door on extension springs or a torsion bar sized for a heavier insulated panel.
Median household income in the service area runs $96,041, and with 367,768 owner-occupied houses out of 953,710 households across the broader area, a lot of these are long-held family homes rather than rentals, which shows up as pride-of-ownership doors that have been painted and patched rather than replaced.
Climate here is mild temperate, so we're not fighting the kind of freeze-thaw cycling that cracks concrete footings or seizes steel in colder regions - but UV and heat still dry out nylon rollers and weatherstripping over the decades.
Driving between Fullerton and the nearby cities on our list, from La Habra Heights five miles out to Brea four miles north, you see the same production-era tract housing repeat itself, which is part of why we can usually tell what's inside a garage before we open it.