Lake in the Hills Police Department

Lake in the Hills Police Department image

General Information


  • Non-Emergency Phone Number:847-658-5676
  • Main Station Address: 1115 Crystal Lake Rd. Lake in the Hills, IL 60156
  • Hours: Mon, Wed, Thurs, Fri: 8 AM to 6 PM, Tues: 8 AM to 7:30 PM
  • Fax: 847-658-7908
  • Get Nixle Alerts: Text 60156 to 888777

Visit the Lake in the Hills Police Department Website for other general information about the department.

Police Codes

Many police departments, including the Lake in the Hills Police Department, use the same set of "Ten Codes". When used over the radio, the number 10 followed by another number is a quick way for police to relay the following information. See standard police Ten Codes on Cop Radar Also included are police codes that are NOT 10 codes, which may also be heard over the air. Keep in mind this is just a general list, and individual departments may have unique ways of communicating:

Police CodeMeaning
OPOrder of Protection
10-0 G,P, or WGang, Predator, or Weapons

Department Structure

Shifts: The police department works in 12 hour shifts, 2 shifts each day from 3 AM to 3 PM for 1st shift, and 3 PM to 3 AM for 2nd shift.

While all police agencies utilize a differnt numbering scheme, the concept is usually similar: one number will usually indicate the shift (1, 2, or 3) another number or letter will indicate the patrol zone and/or the rank of the unit, such as patrol officer, sergeant, chief, etc.. For a full list of known Unit IDs in McHenry County, visit this page on Radio Reference.

Unit IDDescription
L143Marlowe Resource Officer
L121Patrol Area 1 Day Shift
L122Patrol Area 2 Day Shift
L123Patrol Area 3 Day Shift
L124Floating Patrol Day Shift
L125Floating Patrol Day Shift
L221Patrol Area 1 Night Shift
L222Patrol Area 2 Night Shift
L223Patrol Area 3 Night Shift
L224Floating Patrol Night Shift
L225Floating Patrol Night Shift
Lake in the Hills Police Department Map