A Georgist-style land tax proposes a tax on solely the land, so a 2000sq-ft lot is the same regardless of a $10mil home or not.
This would require an appraiser that regularly re-evaluates the value of the land-- but we already do that! But with homes.
Furthermore, a property tax still leaves open lots of tax-shenanigans. "Look, my home is actually worth half the appraised price, thus I should be taxed half." It's harder to do so with land, since you can't easily "hide"/play tricks with its value from a regulator.
Firstly it encourages urban sprawl, which is bad for the environment and bad for cost of living and housing access.
Secondly it penalizes productive value add. Build something beautiful and you're punished for doing so.
Thirdly it doesn't have the same logical justification as the Land Value Tax, which is to tax ownership of scarce, zero sum, excludable, naturally occurring resources that aren't the product of labor.
What we don't want is a 50 year old who fully owns a $2 mil house and has $15 mil in the stock market and $1 mil in cash to be exempted from most property tax, but a 30 year old with $200k total assets to be on the hook for the full property tax rate. That doesn't make sense.
> Common property taxes include land value, which usually has a separate assessment. Thus, land value taxation already exists in many jurisdictions. Some jurisdictions have attempted to rely more heavily on it. In Pennsylvania certain cities raised the tax on land value while reducing the tax on improvement/building/structure values.
[1] https://en.wikipedia.org/wiki/Land_value_tax#United_States
https://www.pcpao.org/?pg=https://www.pcpao.org/general.php?...
Just/Market Value: $108,535,551
Land Adjusted Value: $46,160,000