There seem to be 2 provisions. If one's lot is smaller, one can have a duplex on it. If one's lot is larger, one can split the lot and have a duplex on each sub-lot (i.e. 2 duplexes total).

However, I can't find the guidelines for when one is allowed to split the lot into 2 sub-lots. I'm curious because I have a large-ish empty lot (8,000 sqft in a coastal town) and yes, would make out like a bandit if I'm allowed to split the lot into 2.

Anyone know the guidelines?

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Update: could someone please clarify "criteria around 3 years of tenancy"... does this mean one has to have owned the lot for 3 years minimum?