Perhaps property tax can help align incentives. In theory, the more neighbors that you have, your tax burden to maintain infrastructure should go down due to e

Perhaps property tax can help align incentives. In theory, the more neighbors that you have, your tax burden to maintain infrastructure should go down due to economies of scale. Consequently you would welcome more neighbors if it helped keep your taxes low. In places like California with Prop 13, however, there is a perverse incentive since your tax actually doesn't even increase as fast as inflation.