Contact Us

US Headquarters

IMSI Design, LLC is located just north of San Francisco, California in beautiful Marin County, a world-wide center of excellence for CAD since the early 1980's.

IMSI Design, LLC
384 Bel Marin Keys Blvd. Suite 150
Novato, CA 94949

Customer Service, and Product Activation Assistance
For issues relating to product registration, shipping, or orders, please send e-mails to
Click here for answers to frequently asked questions 

TurboCAD Technical Support
Technical assistance and solutions to questions regarding IMSI Design software is available through our online support ticket system.  Email us at
Click here for help online 

Media and Public Relations
To request press materials like product information, brochures, art files or evaluation software, email us at

Visit Press and Media for the latest product announcements and company events.
Click here to read our latest press releases! 

Send us your question or comment
We’re interested in your questions, comments and ideas and like hearing from you. Share your thoughts and suggestions about products and services, or submit a question by sending an e-mail to

International Inquiries
IMSI Design has  representatives worldwide who are authorized resellers of our products. If we do not have a representative in the desired country, or for other inquiries, please contact the IMSI Design International Sales Department. Reseller and representative inquiries are welcome.

IMSI Design International Sales
Phone: 415.483.8000 (9am-5pm PST, M-F)