I think the answer to your question is no, I don't think you'll pay $0 tax on the sale of your property.
I'm assuming this is a rental property since you've been depreciating it?
The amount of depreciation expense you've taken on a rental property is subject to Section 1254 recapture at ordinary income rates. Your depreciation expense seems really high. Are you sure that's right? How long have you owned this rental? The remainder of the gain would be subject to LTCG rates.
Also, you're referencing the original purchase price when calculating your projected gain. Your tax basis in the property also includes any capital improvements, such as new cement, remodeling, landscaping, etc. Be sure to add capital improvements to the original purchase price when calculating gain.
Also, something to consider when calculating gain on the sale of a rental is if you have an passive activity loss carryovers (PALs) associated with the rental. This occurs when you have rental expenses in excess of rental income resulting in a net rental loss. There are special rules regarding whether or not you are able to take the net rental loss and net it against your other income (wages, interest income, etc.). If you were required to suspend the losses and hold them until the time of sale, then you need to take those into account too when calculating your projected gain.
I think a simplified way of thinking of it is:
Sales price
less: Cost of sale (realtor)
less: adjusted tax basis (orig. PP + Improvements - total depreciation expense)
less: suspended PALs
Equals Gain or (Loss)