hi there,
you are so fortunate that the ARRL and the FCC take a serious interest in this subject.
Here in Australia, the local town/city councils are a law unto themselves and getting permission to errect a mast anything much past the highest point of the house is quite difficult. From memory I think its 3m max above the highest point. And it is so variable between all the different councils as to their laws.
And god help you if you live in any sort of retirement village or other estate housing arrangement, any sort of outside antenna is pretty much banned, no if, buts or maybe's, by those that run the estate etc.
cheers
Dave
VK2TDN
Sydney