You are not obligated to be successful. 

Apply for a dimensional variance on the vacant lot to allow a smaller lot and/or setback so it can be built upon.Your best first steps are to sketch a plan, possibly with an engineer's help, then contact the zoning department to discuss your idea with them to get informal feedback on your liklihood of success before you spend a lot of money.

All have performed well and rent easily.

What's the highest success percentage method to find a previous tenant's new address for this? 

If this fails, then perform a land trust strategy.

The MTR positioned for the most success and occupancy is one that does not eliminate the 3 key MTR non-negotiables among travelers - PPL: Pets, Parking, and Laundry.

i had a lot of success with direct mail and actually a fair amount with email. 

Roberto, was the transaction successful? 

I have done it successfully on my last 2 buildouts, maybe 3, but only because I was able to acquire the properties at a very low price and I did all the work in-house (myself and some hired hands on staff).

@Nicholas Nakamurain order to be successful, you will need to build a network on the ground in Ohio with people you know and trust. buying a random property on the MLS in unknown condition based on other people looking at it, and putting it under management with people you have never met, will not work, and you will lose money.https://www.biggerpockets.com/forums/963/topics/1195280-expe...https://www.biggerpockets.com/forums/48/topics/1137397-balti...so - what's your plan?