They could build housing then immediately sell those home by means of a loan to a non-profit created for this purpose. Who then pays off Google via rents. Only

They could build housing then immediately sell those home by means of a loan to a non-profit created for this purpose. Who then pays off Google via rents. Only issue is for legal reasons anyone could live there Google employee or not. However that is a good thing in the sense that if you lost your job your housing remains.