City of Rochester Departmental Listing The City of Rochester's departments, offices and bureaus form the executive branch of the City government. This list includes all City departments and those offices and bureaus that have the most contact with the general public. IN THIS CATEGORY... About the Department of FinanceAbout the Mayor's OfficeBureau of Architecture and EngineeringBureau of Buildings and ParksBureau of Communications and Special EventsBureau of Equipment ServicesBureau of OperationsBureau of WaterChief of StaffDepartment of Environmental ServicesDepartment of Human Resource ManagementDepartment of Neighborhood and Business DevelopmentDepartment of Recreation and Human ServicesDES Commissioner's OfficeDES OrganizationDivision of Environmental QualityDRHS Leadership TeamEmergency Communications - 911Emergency Communications Department - Police DispatchEquipment ServicesFinance DepartmentInformation TechnologyLaw DepartmentOffice of Community Wealth BuildingOffice of Energy and SustainabilityOffice of Environmental Remediation (OER)Office of InnovationOffice of Management and BudgetOffice of Public IntegrityOffice of the City HistorianOffice of the Deputy MayorOffice of the MayorParking & Municipal Code Violations BureauProject Management OfficeRochester City Council and City ClerkRochester Fire DepartmentRochester Police DepartmentRochester Public LibrarySenior Management TeamYouth Services