LaSalle County, website

Residents of LaSalle County in Illinois, who need to contact government officials, such as the Sherrif, the County Clerk, or the Fire Department, will find the necessary contact details in this phonebook directory. Concerned persons should note that the phone numbers for these county offices start with area codes 779 and 815.

Sheriff’s Office and Police Department

707 East Etna Road
Ottawa, IL 61350-1047

Phone: (815) 433-2161

Health Department

717 East Etna Road
Ottawa, IL 61350-1047

Phone: (815) 433-3366
Fax: (815) 433-9522

Circuit Clerk

119 W Madison St., Ottawa, Illinois 61350

Phone: (815) 434-8671

Human Services Department

1560 First Avenue
Ottawa, IL 61350

Phone: (815) 433-1572
Fax: (815) 433-2392

LaSalle County Jail

707 E. Etna Rd.
Ottawa, IL 61350

Phone: (815) 434-8383

Fax: (815) 431-4962

Emergency Management

711 E. Etna Road

Ottawa, IL 61350

Phone: (815) 433-5622

Fax: (815) 434-2623

Email: [email protected]

Fire Department

745 Second Street
La Salle, Illinois 61301

Phone: (815) 223-3755

Fax: (815) 223-9508

Department of Education

1165 St. Vincents Avenue, La Salle, IL 61301

Phone: (815) 223-0786 

 Fax: (815) 223-8740

Tax Department

707 East Etna Road Room 153, Ottawa, IL 61350
Phone: (815) 434-8219
Fax: (815) 434-8248