Prevent real estate tax sale

I am teaching young adults urban agriculture  with in a local youthbuild program. This city location is to be the home of an urban farm to table kitchen and market. Focusing  on the holistic wellness fitness and nutrition  provides. I was not able to pay my land taxes and am being foreclosed on. Need $5000 before may 20th. There will be future  opportunities to fund the business incubator  for community development.