I was trying to find what the laws were in regards to whether or not we receive the non-refundable portion of the deposits paid by the tenant at move in.

In Houston, particularly in the boom years, a lot of what was built was in the unincorporated parts of Harris, Fort Bend or some other county.

I note that you asked specifically about “cash-flows”, which has multiple components each treated differently for tax purposes.In general, you can start with NOI, next you have debt service and cap ex, which can get you to cash-flows.The interest portion of your debt service is tax deductible (possible subject to limitations) and the principal portion is not because you get basis in the asset for the loan principal, which generates a depreciation deduction.Similarly, cap ex is generally not deductible currently but the expenditure is capitalized and depreciated, similar to the initial basis in the asset.In summary, you have cash and non-cash tax items that cause your taxable income to differ from your cash-flows and taxable income * tax rate determines your tax liability.

What happened with the 25% down as a non-owner occupied?

Do nothing: not a great option, particularly if she isn’t paying rent. 2.

In particular, take a look at the item labeled "Property tax impact table for 2018, 2019, 2020."  

What is the NOI on the upgraded units vs the non rehabbed units?

(Washington doesn't have a state income tax).Given that your return was simple(only ownership in one rental property) - hopefully the damage from the accountant wasn't too bad.There are also education credits(refundable and non-refundable) that you may have been entitled to.

I think she is referring to the end of the exclusive period, when my little HUD house would go out to non owner occupants.

We own a non performing note NPN where the HOA is foreclosing upon next week.