Contact Us

Master Laboratories is ready and waiting to hear from you! Please contact us with any questions, and we’ll be happy to help.

Santa Rosa Location

3175 Range Avenue
Santa Rosa, CA 95403
Toll Free: 800-368-8482
Local: 707-546-5565
Fax: 866-727-3697

Sacramento Location

2628 El Camino Ave
Sacramento, CA 95821
Toll Free: 800-368-8482
Local: 707-546-5565
Fax: 866-727-3697

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