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State of Illinois Circuit Court, 18th Judicial Circuit

State of Illinois Circuit Court, 18th Judicial Circuit - Wheaton, IL

Lawyers in Wheaton, IL

Wheaton Field Court - JTK Administration Building Room 2-800 (2nd Floor) 421 N. County Farm Road Wheaton, IL 60187

Updated: 02/15/2026

Attorneys

Hon. Mary Elizabeth O'Connor

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Hon. Mary Elizabeth O'Connor

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Contact

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Wheaton, IL

Wheaton Field Court - JTK Administration Building
Room 2-800 (2nd Floor)
421 N. County Farm Road
Wheaton, IL 60187

Directions

Phone: (630) 407-8700

Fax: (630) 407-8575

Website: http://www.dupageco.org

Hours: 8:00 a.m. to 5:00 p.m. Monday-Friday

Additional Illinois Locations

Addison, IL

Addison Field Court
Three (3) Friendship Plaza
2nd Floor
Addison, IL 60101

Directions

Phone: (630) 407-8700

Fax: (630) 407-8575

Website: http://www.dupageco.org

Hours: 8:00 a.m. to 5:00 p.m. Monday-Friday

Downers Grove, IL

Downers Grove Field Court
4000 Saratoga Avenue
American Legion Post 80
Downers Grove, IL 60515

Directions

Phone: (630) 407-8700

Fax: (630) 407-8575

Website: http://www.dupageco.org

Glendale Heights, IL

Glendale Heights Field Court
300 Civic Center Plaza
(300 East Fullerton Avenue)
2nd Floor
Glendale Heights, IL 60139

Directions

Phone: (630) 407-8700

Fax: (630) 407-8575

Website: http://www.dupageco.org

Hours: 8:00 a.m. to 4:30 p.m. Monday-Friday

Wheaton, IL  (Main Office)

505 County Farm Road
P.O. Box 707
Wheaton, IL 60187 - 0707

Directions

Fax: (630) 407-8575

Website: http://www.dupageco.org/

Hours: 8:30 a.m. to 4:30 p.m. Monday-Friday

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