Municipal
| Village Hall | 65 Cedar Avenue, Lake Villa | (847)356-6100 |
| Police Department | 65 Cedar Avenue, Lake Villa | (847)356-6106 |
| Fire Protection District | 68 E. Cedar Avenue, Lake Villa | (847)356-2525 |
| Post Office | 206 Cedar Avenue, Lake Villa | (847)356-5995 |
| Library | 140 N. Munn Road, Lindenhurst | (847)356-7711 |
| Historical Society | 223 Lake Avenue, Lake Villa | (847)265-8266 |
| Township Tax Assessor | 37850 N. Route 59, Lake Villa | (847)356-2383 |
| Township Office | 37908 N. Fairfield Road, Lake Villa | (847)356-2116 |
| Chamber of Commerce | 500 E. Grand Avenue, Lake Villa | (847)356-8446 |
Utilities
| Garbage and Recycling | Waste Management | (847)395-2020 |
| Gas Company | Nicor Gas | (888)642-6748 |
| Electric Company | ComEd | (847)334-7661 |
| Phone Company | AT&T | (847)244-4444 |
| Cable Company | Comcast | (866)594-1234 |
Hospitals
| Advocate Condell Medical Center | 801 South Milwaukee Avenue, Libertyville | (847)362-2900 |
| Centegra Northern Illinois Medical Center | 4201 W. Medical Center Drive, McHenry | (815)344-5000 |
| Northwestern Medicine Lake Forest | 1000 N. Westmoreland Road, Lake Forest | (847)234-5600 |
| Vista Medical Center | 1324 N. Sheridan Road, Waukegan | (847)249-3900 |
Medical Centers
| Advocate Condell Acute Care | 2 E. Rollins Road #110, Round Lake Beach |
(847) 740-2500 |
| Northwestern Medicine Grayslake Outpatient Center | 1475 E. Belvidere Road, Grayslake |
(847) 535-8000 |
| Vista Health Center | 1050 Red Oak Lane, Lindenhurst | (847) 356-4700 |
Illinois Secretary of State Offices
| Lake Zurich | 951 S. Rand Road | (312)793-1010 |
| Waukegan | 617 Greenbay Road | (847)362-7171 |
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