Weights & Measures Bureau

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Weights & Measures Bureau


Weights and Measures Bureau

Testing, registration, inspection of weighing, measuring devices, price scanners, gas pumps

Phone: (562) 622-0402 or for consumer concerns, call (800) 665-2900

Deputy Director Warren Dias

Here's a YouTube video about Weights and Measures.

We are dedicated to ensuring that consumers receive the full weight, volume, count, or other measurement of commodities for which they pay. We regulate all petroleum fuel meters, utility submeters, odometers, taximeters, LPG meters, and all grocery, butcher, jewelry, postal, vehicle, luggage, and shipping scales. We test devices and order the removal of inaccurate devices from service until repaired and recalibrated. Inspectors perform undercover purchases at grocery and retail stores, gasoline stations, and recycling outlets to compare prices charged to advertized and shelf prices and to monitor appropriate use of scales and meters. We check packages for labeling and quantity accuracy.

Our Metrology Lab has Echelon III Accreditation status from the National Institute of Standards and Technology/Office of Weights and Measures, enabling us to calibrate and certify commonly used mass and volume standards for the service industry and other regulatory agencies.






Contact Us


Headquarters Office
12300 Lower Azusa Road
Arcadia, CA 91006-5872
(626) 575-5471


South Gate Office
11012 South Garfield Ave.
South Gate, CA 90280
(562) 622-0402


Antelope Valley Office
335 E. Ave. K-10
Lancaster, CA 93535
(661) 974-8801