If the zoning allows for the number of units,   I'm guessing they will have an answer such as 'The unit will need to be permitted and brought up to code as necessary'  which for an established unit will probably mean they look at things like presence of smoke/CO detection devices,  window egress requirements,  and other basic safety and habitabilty requirements. 

There are mortgage/investment calculator apps for your devices. 

Or you may decide that going after a different asset class like multi units, self storage, etc is better than tighter SFR deals.

Self-storage, mobile home parks, and multifamily have great demographics.

Hospital and Medical Tech Park within 1 mile, Interstate within 1 mile.This property is unoccupied and winterized with notice of ice damage to plumbing.Heat is FHW Baseboard, 2 Boilers, 2 Oil Tanks and 2 HW storage to be removed. 

Has anyone ever successfully used a 1031 exchange to move out of a townhome (or SFH) and into a storage facility?

Evidently, he skipped out on a recent court date and was reissued a higher bond with an ankle tracking device.

The best trick I know of is to offer to pay for X months of a storage space. 

I agreed because by then I realized that the property included a 24 unit storage unit too. 

Things like mobile home parks, self storage and retirement / assisted care communities.