GC never pulled any city permits yet charged me (didn't find this out until the job was finished). 

This stuff will hit you if the things were done without permits..

I have 10 water front lots on a trout river in WNC with mountain views, they are cleared. i have the site permit, i have the well and septic permits.

If they are separate, permits would have been pulled and the city will have records of those permits.  

Duplex Development Made Easy - SB 9 permits property owners to convert single-family lots into duplexes.

Depending on the construction, you have to do major upgrades on electric, plan for plumbing for apartments which may not be permitted in the area for the sewer or septic.

if its only one sub it could have been an oversight. 3 years  is this because permits take so long..

The last you want to do is make an enemy of the firemarshall as they could permanently pull your permit to be able to rent at all.

And I have below clause in the leaseRental Application: Only those people indicated on Tenant’s rental application are permitted to reside at the Premises, with the exception of any minor children born to, or adopted by, Tenant.

I am a newcomer to the real estate investment scene in the US (moved here in the pandemic), and I wanted to connect with anyone that has experience with Section 8 investments in Cleveland particularly.