The Finance and Information Systems Department is responsible for all accounting, budgeting, payroll and systems related functions for the City. The department is made up of two divisions:

Finance Administration
Performs cash receipting, business licensing, accounts payable, payroll, accounts receivable billing, capital asset accounting, purchasing, financial reporting, budget preparation, auditing and reporting.

Information Systems includes Information Systems (IS) and Geographic Information Systems (GIS)

Information Systems (IS) administers the City's voice and data network, security, enterprise applications, physical and virtual infrastructure and disaster planning/recovery.  In addition, IS provides top tier technical support for all onsite and remote users of the City's data assets and provides services for broadcasting Council and Council Committee meetings.

Geographic Information Systems (GIS) develops and maintains data, solutions, and systems to support a spatial inventory of the built and natural environment, analysis of spatial data, and facilitates the use of spatial information to inform planning and decision making. This spatial intelligence is used extensively at the City of SeaTac for understanding the current landscape, managing city infrastructure, and planning for the future. GIS provides geospatial services and solutions to internal and external customers working in the areas of: Public Works Asset Maintenance and Management, Capital Improvement, Emergency Management, Parks and Facilities Planning and Maintenance, Permitting and Land Use Applications, Comprehensive Planning, and City communications.