Our first version of our OpenRoads book, including our OpenRoads Drainage and Survey books, are ready for purchase and we have begun selling them. 

While our website is being updated, please contact Marianne directly This email address is being protected from spambots. You need JavaScript enabled to view it. if you want to get your copies or if you have any questions. 

Zen Engineering

3786 La Crescenta Avenue, Suite 107
Glendale, CA 91208 USA

Phone: (818) 957-7939


To request services, please fill in our Service Request. Or contact us at (818) 957-7939.

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