Hours of Operation

8:00am to 2:00pm by Appointment OnlyMonday through Friday

The Dohrn Office is open by appointment only for registration or course material pick-up. Please do not come to the office without scheduling an appointment, as the office is not always open.

Holidays

On the following days, our office will be closed or will have an early closing time.

Thursday, January 1, 2026 New Year's Day Closed
Friday, April 3, 2026 Good Friday Early Closing Time: 1:00 PM
Friday, May 22, 2026 Early Closing Time: 12:00 PM
Monday, May 25, 2026 Memorial Day Closed
Friday, July 3, 2026 Independence Day Observed Closed
Friday, September 4, 2026 Early Closing Time: 12:00 PM
Monday, September 7, 2026 Labor Day Closed
Wednesday, November 25, 2026 Early Closing Time: 12:00 PM
Thursday, November 26, 2026 Thanksgiving Closed
Friday, November 27, 2026 Closed
Thursday, December 24, 2026 Christmas Eve Closed
Friday, December 25, 2026 Christmas Closed
Thursday, December 31, 2026 New Year's Eve Early Closing Time: 12:00 PM
Friday, January 1, 2027 New Year's Day Closed

Office

8517 West Grand Avenue
Unit C
River Grove, Illinois 60171

We are located about eleven miles west of Downtown Chicago, 8517 West and about 2600 North, a little more than one block west of Cumberland Avenue (1st avenue is the same street as Cumberland and in River Grove it is called Thatcher Avenue). We are four miles north of the Eisenhower (290) Expressway (1st Avenue North Exit) and just over three miles south of the Kennedy (90) Expressway (Cumberland South exit). We are directly behind 8515 W. Grand Avenue which is a State Farm office and directly west of the River Grove Bowl.

Terms and Conditions