Hours of Operation

8:00am to 3:00pm 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.


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

Friday, January 1, 2021 New Year's Day Closed
Friday, May 28, 2021 Early Closing Time: 1:00 PM
Monday, May 31, 2021 Memorial Day Closed
Thursday, July 1, 2021 Early Closing Time: 12:00 Noon
Friday, July 2, 2021 Closed
Monday, July 5, 2021 Independence Day Closed
Friday, September 3, 2021 Early Closing Time: 1:00 PM
Monday, September 6, 2021 Labor Day Closed
Wednesday, November 24, 2021 Early Closing Time: 1:00 PM
Thursday, November 25, 2021 Thanksgiving Closed
Friday, November 26, 2021 Closed
Thursday, December 23, 2021 Early Closing Time: 1:00 PM
Friday, December 24, 2021 Christmas Eve Closed
Saturday, December 25, 2021 Christmas Closed
Friday, December 31, 2021 New Year's Eve Early Closing Time: 1:00 PM
Saturday, January 1, 2022 New Year's Day Closed


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