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County Home

  1. Board of Supervisors Meeting

    June 16, 2020, 9:00 AM @ Board of Supervisors Chambers

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  2. Contra Costa County Fire Protection District Board of Directors

    June 16, 2020, 1:00 PM @ County Administration Building Board of Supervisors Chambers

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Tax Collector

  1. Business License Renewal Due

    June 1, 2020 - July 31, 2020 @ County Finance Building: Treasurer-Tax Collector's Office

    Business licenses renewal is due June 30 and delinquent after July 31. Afterward, a 25% late-renewal penalty will apply. If July 31 falls on a weekend or holiday, the renewal is not delinquent until 5 p.m. the next business day.

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