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Register Alarm System Information

According to Lake County Ordinance #3.6.3, “Relating to an Ordinance of the County of Lake Governing the Utilization of Alarm Systems”, adopted June 11, 1984, amended March 11, 1986, by the Lake County Board, be advised of the following: Effective January 1, 1987, the following false alarm fees will be in effect for any twelve month period:

 False Alarms Fees
 0-3  No Charge
 4-5 $25.00 each
 6 or more $50.00 each


The term “False Alarm” identifies an alarm signal resulting from a malfunction, improper installation or human error.

False Alarms will be billed monthly and invoices are payable to the Lake County Sheriff’s Office within thirty (30) days from the date of billing.

If you would like to request a copy of the ordinance, contact the Lake County Sheriff’s Office at 847.377.7020 and a copy will be furnished.

Please complete the Key Holder Information Form for our files and return at your earliest convenience to:

U.S. Mail  Fax Email
Lake County Sheriff's Office
1303 N Milwaukee Avenue
Libertyville, IL  60048
Attn: Emergency Communications

Note: For any business with Centrex or an automated voice answering system, please indicate a direct telephone number that bypasses the automated system.

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