This gets into the LEGAL area of advice;
Reators do not give Legal advice, we leave that to lawyers.
If your LANDLORD is the owner of the property, and there is a Trustee sale scheduled for April 17th, then he is not paying his mortgage to the Bank and they are foreclosing.
If the sale date is April 17th, it is getting pretty late for him to try to save the place.
If the Bank does Foreclose, you will have about 30 days after the Trustee Sale unless you have a longer term lease.
good luck and may God bless