If it includes property value it's not a true Land Value Tax. The point of a Land Value Tax is that everyone gets taxed purely on the value of the land and non

If it includes property value it's not a true Land Value Tax. The point of a Land Value Tax is that everyone gets taxed purely on the value of the land and none of the improvements. So adding more units would only decrease the per-unit tax you pay. Seattle here is attempting the same thing in broad strokes by literally taxing underdevelopment - but it's clearly not as elegant of a solution