To add a perspective, I know it doesn't seem obvious in the US but the demographics are strongly in favor of growth for India (very young skew in population and huge demo growth - even china is aging and slowing in demo-terms compared with India.)

Basically I know how to do all the work demo, painting, installing new drywall, tile floors etc.

If you are interested you should speak to costar and a local rep will give you a demo before you purchase.

Permits, concrete demo, backhoe, supply line, brass valves, union plumbers (?).

If you needed to open up walls and then patch them it might make sense to use a GC since they would handle the demo, patch up, and clean up while the electrician would just wire up the place. 

Encouraging to hear that the target demo is young professionals.

Hey John,Do you plan to demo the existing property and build a new structure which conforms to the zoning code of the lot in order sell (or rent), or are you simply looking to add an accessory dwelling unit at the rear of the property to increase the number of doors and rental cash flow?

My first rental I GC'd the whole rehab myself and it was basically a full gut, though the walls were plaster so we didn't demo them, we trenched everything and made huge holes everywhere and then laminated over it.  

Do I need any Baltimore inspections/codes done before I demo the damaged area.

Pretty useless if banks do it as a "reimbursement", on a tear-down or tear-down classed as remodel (demo whole house but leave 2 walls stay up -- pretty common in CA, to dodge a full review of a new construction), for sure there are archi fees, which usually comes out before any application is reviewed.Disclosure: newbie on lending, etc.