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Earlier editions: 2026-09

Title 8 — ZONING›Division 824 — Agritourism

Contra Costa County Municipal Code Ch. 824-6 Wineries and Olive Oil Mills

Contra Costa County Municipal Code · 2026-10 edition · updated 2026-10-04 · Contra Costa County

Cite as: Contra Costa County Municipal Code Chapter 824-6 · Text as of 2026-10-04

824-6.002 - Accessory facilities.

(a) Production Facilities. The cumulative maximum floor area of all wine production facilities at a winery or all olive oil production facilities at an olive oil mill is five thousand square feet.

(b) Tasting/On-Site Sales Areas. The cumulative maximum floor area of all tasting areas and on-site sales areas at a winery or olive oil mill is thirty percent of the total floor area of all wine production facilities at the winery or olive oil production facilities at the olive oil mill.

(Ord. No. 2024-06, § 2, 3-5-24)

Exceptions & meaning →

824-6.004 - Production standards.

(a) Production Capacity.

(1) Wineries. A small winery may produce no more than fifty thousand gallons of wine annually. A large winery may produce more than fifty thousand gallons of wine annually.

(2) Olive Oil Mills. A small olive oil mill may produce no more than fifty thousand gallons of olive oil annually. A large olive oil mill may produce more than fifty thousand gallons of olive oil annually.

(b) Production Ingredients.

(1) A minimum of twenty-five percent of a winery's production or an olive oil mill's production must be from fruit grown on the premises.

(2) A minimum of fifty percent of a winery's production or an olive oil mill's production must be from fruit grown in Contra Costa County.

(3) The owner of a winery or olive oil mill must maintain records showing the total annual production amount from fruit grown on the premises and the amount from fruit imported from off the premises. The records must indicate the dates of receipt and the quantities of all imported fruit, and the name and location of the growing operation from which the fruit is imported.

(Ord. No. 2024-06, § 2, 3-5-24)

Exceptions & meaning →

824-6.006 - Food service.

A winery or olive oil mill may serve food as part of a wine tasting or olive oil tasting. The following standards apply to food service at a winery or olive oil mill.

(a) Food service must be incidental to the tasting of wine or olive oil.

(b) Food may not be sold separately from the wine or olive oil tasting.

(c) Food service must be limited to small appetizer-size portions with a fixed menu selected by the winery or olive oil mill. Food service may not involve menu options and meal service so that the winery or olive oil mill functions as a café or restaurant.

(d) Food service must be limited to one food sample per type of wine or olive oil.

(Ord. No. 2024-06, § 2, 3-5-24)

Exceptions & meaning →

824-6.008 - Winery permits and licenses.

In addition to all other permits and licenses required by this code, state law, and federal law, a winery must have a valid permit and bond issued by the U.S. Department of the Treasury Alcohol and Tobacco Tax and Trade Bureau, if required by the Bureau, and a current 02 Winegrowers license issued by the California Department of Alcoholic Beverage Control. Licenses issued by the California Department of Alcoholic Beverage Control that allow other types of alcohol sales are prohibited.

(Ord. No. 2024-06, § 2, 3-5-24)

Exceptions & meaning →

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