Establishment of the Contra Costa Viticultural Area and Modification of the San Francisco Bay and Central Coast Viticultural Areas
TTB establishes the Contra Costa AVA and modifies San Francisco Bay and Central Coast AVAs, affecting wine labeling and appellation rules.
Aforeworn detected this change in the Alcohol Producers (TTB — Wine, Beer, Spirits) space on July 16, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Medium urgency. Wineries using San Francisco Bay or Central Coast AVAs, or seeking to use Contra Costa AVA should confirm how it applies to their specific situation before acting. There is a time constraint attached: Effective April 15, 2024; COLA applications submitted after that date must comply. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Alcohol Producers (TTB — Wine, Beer, Spirits) continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
New Contra Costa AVA created; boundaries of San Francisco Bay and Central Coast AVAs modified
Who it affects
Wineries using San Francisco Bay or Central Coast AVAs, or seeking to use Contra Costa AVA
What you must do
Review and update COLA applications for wines using affected AVAs; ensure compliance with new boundary definitions
Deadline
Effective April 15, 2024; COLA applications submitted after that date must comply
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Aforeworn watches Alcohol Producers (TTB — Wine, Beer, Spirits) around the clock and alerts you the moment a rule moves — with a plain-English brief on what to do.
Start your free trialRelated changes in Alcohol Producers (TTB — Wine, Beer, Spirits)
- Modernization of Permit Application Requirements for Wine Premises
- Addition of American Single Malt Whisky to the Standards of Identity for Distilled Spirits
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- Standards of Fill for Wine and Distilled Spirits
- Alcohol Facts Statements in the Labeling of Wines, Distilled Spirits, and Malt Beverages