| Aging, Office for the (516) 227-8900 |
| Anti Bias Crime Task Force (516) 571-6206 |
| Assessment, Office of (516) 571-1500 |
| Assessment Review Commission (516) 571-3214 |
| Board of Elections (516) 571-2411 |
| Board of Ethics |
| Budget - Office of Management and Budget (516) 571-4273 |
| Civil Service Commission (516) 572-1882 |
| Clerk of the Legislature (516) 571-4252 |
| Community Development, Office of (516) 572-1915 |
| Constituent Affairs (516) 571-6000 |
| Consumer Affairs (516) 571-2600 |
| Coord. Agency for Spanish Americans (C.A.S.A.) (516) 572-0750 |
| Correctional Center, East Meadow, N.Y. (516) 572-4200 |
| Cornell Cooperative Extension (516) 292-7990 |
| County Attorney (516) 571-3056 |
| County Clerk, Office of the (516) 571-2664 |
| County Comptroller's Office (516) 571-2386 |
| County Executive (516) 571-3131 |
| County Legislature (516) 571-6200 |
| Crime Victims Program (516) 573-8207 |
| Deferred Compensation Board (516) 571-2010 |
| District Attorney's Office (516) 571-3800 |
| Districting Advisory Commission |
| Economic Development, Office of (516) 572-1915 |
| Emergency Management (516) 573-0636 |
| Family and Domestic Violence Task Force |
| Film Commission (516) 571-3168 |
| Fire Commission (516) 573-9900 |
| Hardship Review (516) 571-4166 |
| Health Department (516) 227-9697 |
| Housing – Office of Housing & Homeless Services (Section 8) (516) 572-1900 |
| Human Resources (516) 571-3072 |
| Human Rights Commission (516) 571-3662 |
| Human Services, Department of (516) 227-8911 |
| Information Technology (516) 571- 4265 |
| Investigations, Commissioner of (516) 571-3072 |
| Jurors, Commissioner of (516) 493-3750 |
| Labor Relations (516) 571-3072 |
| Legislative Budget Review, Office of (516) 571-6296 |
| Management and Budget, Office of (516) 571-4273 |
| Medicaid and Public Assistance Fraud (877) 711-TIPS (8477) |
| Medical Center (Nassau University Medical Center) (516) 572-0123 |
| Medical Examiner (516) 572-6400 |
| Mental Health Chemical Dependency & Developmental Disabilities Services (516) 227-7057 |
| Minority Affairs, Office of (516) 572-1933 |
| Nassau Community College (516) 572-7500 |
| Office for the Aging (516) 227-8900 |
| Office of Community Development (516) 572-1915 |
| Parks, Recreation and Museums (516) 572-0200 |
| Physically Challenged, Office for the (516) 227-7399 |
| Planning Department (516) 571-9600 |
| Police Department (516) 573-8800 |
| Press Office (516) 571-4225 |
| Probation Department (516) 571-5700 |
| Public Administrator, Office of The (516) 571-5911 |
| Public Assistance and Medicaid Fraud (877) 711-TIPS (8477) |
| Public Works Department (516) 571-9600 |
| Purchasing, Office of (516) 571-4200 |
| Real Estate Planning and Development (516) 571-4207 |
| Report Medicaid and Public Assistance Fraud (877) 711-TIPS (8477) |
| Senior Citizen Affairs (now Office for the Aging) (516) 227-8900 |
| Sheriff's Department (516) 572-4100 |
| Social Services Department (516) 227-8519 |
| Temporary Districting Advisory Commission |
| Traffic and Parking Violations Agency (516) 572-2700 |
| Traffic Management (516) 571-6992 |
| Traffic Safety Board (516) 571-6808 |
| Treasurer's Office (516) 571-2090 |
| Veterans Service Agency (516) 572-6560 |
| Youth Services, Office of (516) 227-7134 |
