| Assessor’s Office | 414-302-8230 | Property assessment, current valuations, property ownership |
| City Attorney’s Office | 414-302-8450 | Legal advice and representation for City |
| City Administration | 414-302-8292 | City budget, oversees City policies and City administration |
| City Clerk | 414-302-8220 | Official records, licenses, elections, Common Council and committee support |
Code Enforcement
| 414-302-8400 | Building, electrical and plumbing permits, inspections, code enforcement, zoning
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Communications
| 414-302-8352
| Communications strategies and plans, marketing and promotions, City events, publications, websites, municipal television, video production, media relations, social media, community outreach, Farmers Market operations
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| Economic Development | 414-302-8460 | Advancing redevelopment and leveraging private investment with a special focus on improving the image of the City while supporting a vibrant business community and working collaboratively to build strong neighborhoods with access to diverse goods and services.
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| Engineering | 414-302-8360 | Infrastructure maintenance and improvements, special assessments |
Finance
| 414-302-8260
| Develops, refines and encourages adherence to financial policies which promote and support the City’s sound fiscal health, safeguard the City’s assets and improve the City’s bond rating.
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| Fire Department | 414-302-8900 | Fire prevention and emergency response |
| Geographic Information Systems | 414-302-8328 | Mapping services for all City departments |
| Health | 414-302-8600 | Community health programs, immunizations, WIC, Senior Center, vital records |
| Housing | 414-302-8430 | Rent assistance, housing rehabilitation loans, home buyer loans, senior housing |
| Human Resources | 414-302-8270 | Employee recruitment, selection, employee relations, compensation, benefits |
Information Technology
| 414-302-8330
| Technical and software support
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| Library | 414-302-8503 | Adult, children’s, media, and reference services |
| Mayor’s Office | 414-302-8290 | City executive |
| Municipal Court | 414-302-8181 |
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| Planning & Zoning | 414-302-8460 | Planning, zoning and community development projects |
| Police | 911 / 414-302-8000 | Law enforcement and dispatch |
| Public Works | 414-302-8888 | Buildings, signs, streets, traffic control signals, trees and landscaping, refuse and recycling collection, water |
| Purchasing | 414-302-8300 | Purchase of goods and services for all City departments |
| Senior Center | 414-302-8700 | Programs and activities for active adults over 55 |
| Treasurer’s Office | 414-302-8200 | Tax collection, water and sewer bills |