try the va even...maybe they might have a good resource on non-vet ptsd resources...never hurts to ask...the worst they will say is nope.

my county has a housing alliance which i have used to help get my bills paid (gas, electric)..they also pay rent or mortgage in cases as well or help find places for people...i found them thru the utility company when i got a shut off notice...you might be able to work backwards & find a source like that who could get you some assistance