A deanery is one form of division of a diocese into smaller groupings of parishes. Usually deaneries are formally named simply by a number or by a geographic designation. Appointed by the bishop, the dean is responsible for each deanery.

Humboldt/Del Norte Deanery
Dean: Rev. Ray Rioux

Mendocino/Lake Deanery
Dean: Rev. Mike Cloney

Napa Deanery
Dean: Rev. Gordon Kalil

Sonoma North Deanery
Dean: Rev. Engelito Peries

Sonoma South Deanery
Dean: Rev. Gary Lombardi