Contact Us

University of Illinois Extension serving Lake and McHenry Counties

Lake County Office
Photo of Grayslake Office
100 South US Highway 45
Grayslake, IL 60030
Phone: 847-223-8627
FAX: 847-223-9288
Email: uie-lm@illinois.edu
Hours: Monday-Friday 8:00am to 4:30pm

McHenry County Office
Photo of Woodstock Office
1102 McConnell Road
PO Box 1430
Woodstock, IL 60098
Phone: 815-338-3737
FAX: 815-338-4755
Hours: Monday-Friday 8:00am to 4:30pm

Find Us

Lake/McHenry Unit (Main Office)


  • From I-94 tollway, exit Belvidere Rd (Route 120 West) about 5 miles to US Highway 45.
  • Take US Highway 45 North about 1/4 mile.
  • The office is on the left (west) side of the street.

McHenry County Office


From Chicago:

Take Northwest Tollway (I-90/94) west to Route 47 exit. North on 47 to McConnell Road in Woodstock. East on McConnell Road to office at 1102 McConnell Road.

From the North:

From Route 14 south to Route 120 in Woodstock. West on Route 120 to Route 47. South on Route 47 to McConnell Road. East on McConnell Road to the office at 1102 McConnell Road.

From Route 47 south to McConnell Road. East on McConnell Road to the office at 1102 McConnell Road.

From the West:

Route 20 east to Marengo. East on 176 to Route 47. North on Route 47 to to McConnell Road. East on McConnell Road to the office at 1102 McConnell Road.

From the East:

Route 120 (McHenry Avenue) to Route 47. South on Route 47 to McConnell Road. East on McConnell Road to the office at 1102 McConnell Road.


Lake/McHenry Unit