It is in the flood plains and due to us doing "significant" rehab. they require us to have the property above the 100-year flood plane and we have done the elevation survey and all and based on that report, it would require 30 inches above. 

To knock down a house, you need a boundary/site survey, a survey that indicates the proposed new structure, a tree survey, an asbestos survey, a pest letter, etc.

I'm not sure what your land per acre is worth or what it is zoned but this can be done by an engineer or survey company for a few thousand dollars out of pocket. getting the second home on your lot I wouldn't do it that way. especially if you lack funds. 

Here's a little bit about what you'll learn:WHAT YOU WILL LEARNHow to assemble an all-star team that will set you up for success.How to fund an investment property with other people’s money.Expert techniques that will help you create a solid investment plan.Right now, we're getting roughly 4.5 stars (out of 5) on our feedback surveys.

Interest, points, application fees, surveys, etc. 

BP is doing a survey right now about this.In our 24 years of experience, the biggest challenge is owners not doing enough research and asking enough questions on PMC processes to perform their services.

ie. (2) 179 day LO's to avoid providing the Buyer with a recent survey or a current plat; copies of liens, restrictive covenants, and easements; a Seller’s Disclosure of Property Condition;  tax certificates; a copy of the insurance policy showing the name of the insurer and insured along with a description of the insured property and the policy amount; a seven-day notice letter; and an annual accounting that includes amounts paid, amounts owed, payments remaining, taxes paid, and the amount paid for insurance premiums plus an accounting for any insurance proceeds.

Washington State University used to do a survey of rents in various areas that included the City of Yakima.  

I know of a Divorced List, but it's a post-divorce, self-reported file of people who have answered a survey within the past 12 months that they are self-reported. 

Are you obtaining an inspection, an appraisal, a survey, environmental report etc.?