That doesn’t work very well in practice because a half vacant commercial property has lower property value than a full one.

There are buildings that seem to purposefully keep commercial space vacant to devalue the building:

https://therealdeal.com/chicago/2021/09/10/trump-gets-anothe...

Property tax isn’t based on vacancy rate, it’s based on property value.

The article writes a bit about property value being based on rents.

So a completely rented building pays the same property tax as an empty building with no renters.

I used to think the same thing, until recently.

Where I live (NC, USA) there was a big issue where commercial property owners have been able to reduce their property tax assessments, not on the basis of 'comparable sales' (like everyone else), but on the basis of the income derived from the property.

I can't say how widespread this practice actually is, but it's not unheard of. Apparently property tax rules are going to vary widely by jurisdiction, which country / which state or province / etc.

There’s one thing you can guarantee in America. If it puts the interests of high income people vs everyday income people, the policies favoring the rich will almost always win out.

And as long as money = speech, this will never change.

It would be absolute stupidity for a property owner to keep a property vacant solely to reduce the property tax assessment. Certainly there are some stupid rich people... but I doubt that the majority are that stupid. There must be some other explanation.

Not the same because it does not depend on utilisation. Pretty much everywhere you see property taxes, but vacancy taxes are a lot more recent and I guess rare so far.

Arguably vacancy taxes are just Georgism with extra steps

If you wanted to switch to Georgism it seems that you'd need to add that and slowly shift taxes into just being the vacancy taxes.

Switching to Georgism overnight seems way too hard to execute.

You really thought you ate with this huh