The 10 families in the 10 homes should each pay 50x the property taxes as the high rise tenants?
The assessment for street maintenance on the property taxes for the 10 homes should each be 50 times that of an apartment unit.
Yes, water infrastructure costs less per unit in an apartment building than a single-family home. But this should be on everyone's water bills, not their taxes.
Yes, it's easier to haul away trash from a single dumpster than from trash barrels serving the same number of homes. But this should be on everyone's trash collection fees, not their taxes.
schools? Libraries? Recreation centers? Parks?
These things are probably about the same cost for condos as for single-family homes.
Yes, like water. Remember, the cost of sewers also depends on the amount of impermeable surface on each property.
Cities tend to divide costs by an assessment of value. Within a strata that works out pretty close to being the same thing
That's a pretty clumsy and inexact way to assess property taxes, and it encourages urban sprawl when the property's burden on infrastructure isn't properly reflected in property taxes.