Thank you for sharing your situation and question with us, and for sharing the steps that you have already taken.
We can appreciate that you would be concerned about this and would want a solution to this situation. Three years is a really long time to be dealing with a situation like this.
Regarding your 311 request, you should have received a 311 reference number (or an explanation if no reference number is to be issued). With this you can track the status of your service request from the 311 homepage, or call 311 anytime for additional information and assistance.
Finally, you may want to contact the nearest Community Legal Clinic to see if they can provide you any additional information or assistance with your situation.
I hope this information is helpful. Please let us know if you have further questions and if there is any follow up to your question/situation.