Agricultural Commissioner's Office

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NEW for 2021 - Due to COVID-19 and the necessity to limit the amount of people in our office, ALL business registrations will be completed online or by mail-in only. Select a business registration type below for registration details.

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The Napa County Agricultural Commissioner and staff are responsible for the implementation of federal, State and local regulatory programs within Napa County. These programs are designed to protect people and the environment and to promote agriculture within the county. Napa County currently has a reputation as a premier wine-producing region, but, as history has shown, also has the climate and soils capable of producing many types of exceptional agricultural products. 

Phone: (707) 253-4357

Fax: (707) 253-4881

Agricultural Commissioner/Sealer of Weights and Measures

A. Humberto Izquierdo

1710 Soscol Ave Suite 3, Napa

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