It would be costly (commercial elevator alone would be pricey. 

If you zoned for 3+ units, then make sure that the first floor elevation is high enough to meet BFE, otherwise you will not be able to get a permit (and may not be able to ensure the space on a flood policy).

Including architect drawings, permits and expediter.DemolitionNew electrical service and wiring throughoutNew plumbing throughoutNew central air systems in each unit.New hardwood floorsNew windows and doorsNew roofNew kitchen and bathFix outside elevations New fences and landscapingNew 2 car garage

Pilings or stilts usually means you're in a flood zone and the property needs to be elevated to be above the minimum flood elevation.  

I don't necessarily mean a bogus elevator pitch, I just mean why that makes you marketable as a partner.

However, the children have to be tested for elevated lead levels.

Our criteria:Residential $50K - $3MM  Multi-family & mixed-use; elevator & walk-up class - $12MM - $1B.Manhattan, Brooklyn and Queens are primary areas.Thank you all for the warm welcome.

Wanted to develop an elevated structure, 4-5 stories, 120 units.

the house from sidewalk to front door must have been a 40foot walk with a 25 foot elevation.

We'll be sticking with 15% for our ROI purposes despite certain elevated risks (should be able to weather it due to # of partners).