Our Offices

Mainstreet has four full service locations in the Chicagoland area to serve your needs:

Mainstreet Headquarters

Downers Grove

6655 Main Street
Downers Grove, IL 60516
Ph: 630.324.8400
Fx: 630.324.8402
Hours: 8:30 a.m. - 5 p.m.
Monday - Friday

Satellite Offices

Arlington Heights

1114 N. Arlington Heights Road
Arlington Heights, IL 60004
Ph: 630.324.8400
8:30 a.m. - Noon & 1:00 p.m. - 5:00 p.m.
Monday - Friday
 

Libertyville

1580 S. Milwaukee Avenue
Suite 312
Libertyville, IL 60048
Building is off of Artaius Parkway
Ph: 630.324.8400
8:30 a.m. - Noon & 1:00 p.m. - 5:00 p.m.
Monday - Friday
 

Tinley Park

16345 S. Harlem Avenue
Suite 200
Tinley Park, IL 60477
Ph: 630.324.8400
Hours: 8:30 a.m. - Noon & 1:00 - 5:00 p.m.
Monday - Friday

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