Calculator for demo of house and new rebuild on an acre lot?

[Matthew Koch]

I'm trying to do my homework and see what the costs are to tear down an existing home in Jerome Idaho but also figuring out how much it's going to be to be rebuilt with three other houses on this particular slots on an almost acre of land and if there's somebody out there that is able to do it for around a hundred bucks a square foot for 1500 square foot 3-bedroom 2-bath house times 3 for 3 parcels on one lot that I personally believe they will be reappraised for 150 a square foot. so where is the calculator to analyze how much those costs are for the demolition of the current house where the cost is and who to talk to for building new within this area also the appraiser who I can get a confirmation on the after repair value sort of speak like where is the new construction build calculator.