First, look back over your deed and survey from when you purchased the property and see if it says anything.

When Signing the contract, the attorney asked me to write 4 checks.1. downpayment (5%)2. courier fee ($180)3. title fee ($850)4. survey ($500)5. his fee ($1500)This is actually my second house, but I don't recalled being asked for survey, title, and courier fee on the day of signing the contract.Could it be possible that this attorney trying to scam me?

Ask for some market reports and go do market surveys. 

@Kalen JordanThe American Community Survey provides vacancy data every year at granularities ranging from the state level all the way down to block groups, which are much smaller than neighborhoods.

They did a survey at the property and find out there are some lifted shingles on the roof.

Ok @Alan Ford, my 2 cents on the area is this: Beachfront locations are always a decent bet all things considered.Just about every survey and study I have ready about STR vacation locations list beachfront destinations as near the top.

I don't know the FHA answer but I would advise you to make sure the two properties are on two separate legal parcels and if they are next to each other have a survey done. 

We have spent around $20,000 in reports and surveys to prepare the property for new constructionThe main issue I'm facing is that I don't think we can build this on speculation because our construction loan interest will put us upside down if it sits on the market more than 30 days.

I would look at your deed first. it might be worth a survey followed by a sit-down with a real estate attorney.

Yes Transfer Taxes $1,238 Title/Closing Costs $3,500 Lawyer $800 Survey $400