[trollbridge]

"Residential land area"? Much of California's land has no zoning at all. Of course, it's not near any cities either (or near any road noise).

[aegypti]

It is illegal to build housing without a permit, and you will not be issued a permit on much of California’s land.

Residential land area = land you can build housing on

https://belonging.berkeley.edu/single-family-zoning-californ...