@Desmond Alexander None of my current clients qualify for it, so the situation hasn't come up yet. It's a loan that's specifically for those affected by the disaster. Their home (owned or rented) had to have been destroyed or severely damaged.
In general I would recommend that someone who lost a home consider it as an option, there's going to be situations where it's appropriate, and some where it's not.
For example if you owned your previous home, had plenty of equity, worked out a forbearance or deferment arrangement with your current mortgage company, the mortgage on the new loan was less per month than renting in your area (common in Houston) and truly have a plan for exiting the old house, as in you have the means to repair it or the equity to be able to let it go as-is and not be upside down.
Or you are well within a floodplain, so you have flood insurance and you'll have a payout, maybe you've flooded before, and and it's just time to move to higher ground. Or maybe even, you've flooded enough that you're participating in HCFCD's voluntary buyout.
Also for non-homeowners, say they were basically ready to buy before the disaster, had the money saved up, would have been using an fha loan anyway, maybe waiting for a lease to end. This could probably work out for them, yeah they'd start of with no equity in exchange for keeping that 3.5% and using for say replacing furniture. But again, In many areas of Houston it's cheaper to own than rent, so it may help them in the immediate aftermath.
...In such situations I think it should be considered.
Now on the flipside, if you have no equity and no plan for how to exit from the damaged home, you'd be out of luck when the deferment ran out and you can't do anything with the old house.
Or if you were renting and were no where near prepared to buy a house before the disaster, probably not a good idea, you'd still need cash for closing costs, which can come as a "gift" but never a good idea to buy a house with no money in the bank even if the lender actually let you do it.
That's my general opinion on when it may be appropriate vs not.
Also you have a year, from the date of the disaster declaration to apply for this loan, so people have some time to assess their situation.