It sounds like you have an un-permitted unit, which is essentially always a risk since there has been no notice to the AHJ that it exists and they can therefore initiate a code case to have it removed in most cases.

Aren’t DST’s essentially syndication deals, but with much lower returns (though they do accommodate 1031 exchanges)?  

Essentially, your new replacement property will consist of (1) a thirty plus year ground lease on the real property you already own; and (2) new capital improvements made on the real property you already own pursuant to the new thirty plus year ground lease.

In a situation like that, if the market is right and the research is right, you're earning essentially everything you would in just owning the property outright, other than the fact that you won't get the tax benefits (but your LLC will). 

Understanding the preferences of the Hamptons luxury market is essential.

For management, self-managing saves costs and teaches valuable skills, but a property manager is essential for out-of-state properties or scaling your portfolio.

Consulting a tax advisor or 1031 Exchange expert is essential to determine if the benefits outweigh the hassle.Taxes Without a 1031: Without the exchange, your parents will owe capital gains taxes.

When filing the LLC return, it is important to ensure that these liabilities are accurately reflected on the balance sheet.However, it's essential to note that distributing the refinance proceeds among LLC members could potentially be viewed as a taxable event if there is no intent to repay these amounts to the LLC.

Understanding the preferences of the Hamptons luxury market is essential.

I bet that essentially no one is starting new construction projects, which bodes extremely well for owners 2-4 years from now.- Prices for insurance policies will never go back down, but it is not unreasonable to expect costs to rise at a more predictable pace from here.