A difference in detail here is that that fire was outside the city. Residents of that city don't opt-in, they just pay taxes to support firefighting services.

A difference in detail here is that that fire was outside the city. Residents of that city don't opt-in, they just pay taxes to support firefighting services. There's no county-wide firefighting service in that area, so the city provides optional service to county residents whom the city can't levy taxes on - if they pay that fee.