Contact Mainstreet™

For More Information About Our Software or Services:

For information about our Glas-Avenue™ software, website services or all other general inquiries, please email us at:

Or fill out our online form located here:

Online Form

Or you can always call us at:

(734) 699-0025


Mainstreet Computers, Inc. is located at 330 Charles Street in downtown Belleville, Michigan.

Existing Customers:

To report technical issues or to contact customer support:

Please give us a call directly at:

(734) 699-0025

Or you can email customer support by clicking below: