Koren J. Widdel, Agricultural Commissioner/Sealer of Weights and Measures

Koren J. Widdel

Agricultural Commissioner
Sealer of Weights and Measures

Contact Us
728 Heller Street
P.O. Box 999
Redwood City, CA 94064
(650) 363-4700
(650) 599-7483 (Español)

Hours                              Walk-in Office Duty Hours
Monday to Friday                  Monday to Friday
8:00am to 5:00pm                2:00pm to 4:00pm
Do you have a consumer complaint?

Our Weights and Measures division responds to consumer complaints concerning overcharges for gasoline, taxis, items sold by weight, and retail goods. Please complete a consumer complaint form found at the link below. Find out more on our consumer information brochure.

Consumer Complaint Forms


Do you have a pesticide related concern?

Our Agriculture division responds to pesticide incidents, complaints, and questions. Please complete the pesticide complaint form found at the link below.

Pesticide Complaint Form


Do you have a concern about a pest trap in your yard?

Our pest detection team places insect traps around the county to to catch exotic pests of interest. If you have a question about a pest trap in your yard, please contact the Pest Detection Program Manager, Gerardo Ibarra, at (650) 363-4215 or email the department at smateoag@smcgov.org.

Do you need help identifying a pest?

If you need help identifying a pest in your home or garden, please bring a sample to our office. Our department holds Office Duty Hours Monday to Friday from 2:00pm to 4:00pm. Find more information on pests and Integrated Pest Management (IPM) here.

How are we doing?

Please take a moment to let us know how we are doing.

Customer Satisfaction Survey