I was talking to a new neighbor when a sherif's deputy, large guy with a pistol on his hip, was noticed to be on his porch looking around the door for identifying information (this is a mobile home). My neighbor went over and started cussing him out. The sherif started talking about past due taxes. The neighbor, still cussing, said he had owned the place for a month and so he didn't owe any taxes. While the sherif was discussing the finer points of tax law I made an exit stage left and walked to some other neighbors who were outside and asked about taxes. I bought my place about 6 months ago and no one mentioned taxes to me. Turns out, after I called the State tax office, yes, I was delinquent. They still had the previous owner listed as owning the place, even though I had changed the title at the DMV (again, this is a mobile home), so I never got the tax notice. They would still take the mobile home. The previous owner wouldn't care, she got her money. My neighbor got hold his previous owner and she took care of it. Turns out it was another mobile home she owns that was delinquent anyway.
The point of this is, property owners don't necessarily know about the taxes due. Both of us came here from out of state, so we didn't even know to check for tax leins when buying these places.