If the land that you and your aunts own is on a separate parcel than the house then all you will need to do is get their agreements in writing and put it on the market.
If the house and land are on the same parcel then the only way to sell is if the house is included in the sale which is no...
If all 4 of you wish to convey all of your ownership interest in the detention pond to the HOA then it would be relatively simple. You will need to go to a title company and have them prepare quit claim deeds to have the HOA put on your title. At that point the HOA would have ownership interest...
Summary:
Company: Technology company with patent pending and nearly $1 MM invested. All company technology is being held on a Company Server.
Organization:
Technology Inventor - 40% (appx)
11 Other Shareholders - 60% (appx)
7 Board Members (all are Shareholders)
Issues...