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Main Office Location - see information on the right.

Petaluma Office

By Appointment Only

Inside Petaluma City Hall
11 English Street
Room 19
Petaluma, CA 95452

Sonoma Office

Tuesday & Thursday 1:30PM - 2:30PM

Red Building at Road Maintenance Yard
19722 Eighth Street East
Sonoma, CA 95476

Contact Information

Department of Agriculture / Weights & Measures
Business Hours
Monday – Friday
8:00 AM – 4:00 PM

Closed 12:00 PM - 1:00 PM

Main Office
133 Aviation Boulevard
Suite 110
Santa Rosa, CA 95403

Quick Links

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