20 year old Entrepreneur. Who should I approach for Financing?

[Viante Fruit]

I've contracted with an architect to design the prefabricated/modular high rise, and will have it overlooked by a team of civil engineers. My next steps would be to submit the proposals to city officials/zoning. I've ran the numbers at a potential (12 - 18% Cap Rate). Due to my age and lack of a 30% down payment, bank loans are a no. Along with my financing question, could someone give me the simplified steps of the development process for a multi-unit building all the way from conceptual design to groundbreaking? Thank you, Viante Fruit