Buy SFR on multifamily zoning

[Stephanie Simmons]

I found about a mile square block of old tiny houses (most are 2/1) - but I noticed they are all zoned multi-family.  I am not in a place to buy up a block and put townhouses on it - but I am considering maybe building or bringing in a manufactured home and placing on a permanent foundation and use as rentals - or building onto a unit and making a duplex?

Has anyone done this?

What information do I need to get on zoning, utilities, etc.