Tucson is one of those places where development HOAs (which largely ban RVs) are liberally sprinkled in among neighborhoods which don't ban much of anything.
There are many outlying towns and communities which, while having the same basic mix of HOA / non-HOA neighborhoods, tend to lean towards the non-HOA (or at least HOAs which permit RVs).
Your best bet is going to be a realtor. You might try Realtor.com to get an idea of what you'd like. Some of the surrounding areas are:
and many more
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