Attorney General's Tenants' Rights guide
http://www.ag.ny.gov/sites/default/files/pdfs/publications/Tenant_Rights_2011.pdf

Attorney General - Consumer Complaint
http://www.ag.ny.gov/consumer-frauds/Filing-a-Consumer-Complaint

Attorney General - Civil Rights
http://www.ag.ny.gov/bureau/civil-rights

Attorney General - Housing Issues
http://www.ag.ny.gov/consumer-frauds/housing-issues

NYC Department of Housing Preservation and Development
http://www.nyc.gov/html/hpd/html/home/home.shtml

NYC 311
http://www.nyc.gov/apps/311/