There are a few ways to go with rent assistance. In most areas, The United Way will help with rental assistance if you qualify. You can call your local United Way, or Salvation Army. The best way to find out all of the services that may be available to you, is to contact your local Social Services office.
The quickest way to raise money is to apply for unsecured loans online. A number of sites are available in the internet that offers urgent loans, like the one you need, provided their criteria are met. Loans can be released in as fast as two to three hours.