“The Treasurer … Beginning April 11, we will make available on line a penalty cancellation request form specifically related to the coronavirus. October. Failure to receive a tax bill does not relieve the taxpayer of the responsibility to pay the taxes when they become due and payable, and does not provide a basis for waiving penalty charges. This revenue is essential for keeping the County, our cities and schools, and other local government agencies running and providing vital services that the public relies on, especially in extraordinary times like these. REDUCTION IN ASSESSED VALUE If an informal agreement cannot be reached between the owner and the Assessor, the owner has the right to file an application for reduction in assessments with the County Assessment Appeals Board. TAX DEFAULT — Numbers in the box on the front of the tax bill labeled DEFAULT # indicate you owe prior year(s) delinqunet taxes on the property. This deadline should not be confused with the Federal and State income tax filing deadlines. Questions regarding the computation of the tax and/or tax rates should be directed to the Auditor-Controller at (925) 335-8620, or to the special district/local agency levying the direct charge. The Contra Costa County Tax Collector’s Office mailed this year’s security property tax bills later than usual due to the COVID-19 pandemic, so it has extended the due date for the first installment from Nov. 1 through Dec. 10. If a payment isn’t for the full amount, tax collectors typically send back the payment and then impose penalties and interest on 100 percent of the amount due. “We want to control this virus.”. AUGUST 31 - Unsecured Property Tax payment deadline. A 10% penalty is added as of 5:00 p.m. (* If a delinquent date falls on a weekend or holiday, the delinquent date is the next business day. Please note, we honor only the USPS cancellation postmark as the receipt date.”. In the great majority of instances, California counties won’t accept partial payments. Pursuant to regulatory rules (NACHA and Regulation E), we properly notify you of our intention to clear your check electronically. MAY - Delinquent notices for any unpaid First and Second Installment Secured Property Taxes are mailed out. You can also pay by phone by dialing (925) 957-5280 and following the prompts. AUGUST 31 - Unsecured Property Tax payment deadline. Close of assessment roll and the start of the new assessment roll year. Tax bills for Tangible Personal Property are mailed at the same time as the Real Estate Tax Bills, and the same discounts apply. First installment payment deadline. Treasurer-Tax Collector mails out original secured property tax bills. STATEMENT FROM RUSSELL V. WATTS, TREASURER-TAX COLLECTOR, REGARDING COVID-19 AND THE APRIL 10 PROPERTY TAX DEADLINE. Supplemental Property Tax bills are mailed monthly and are also prorated. JANUARY 1 - This is the date when taxes for the next fiscal year become a lien on the property. Posting occurs at minimum weekly. Only U.S. Post Office cancellation mark is used as date for payment receipt. The Tax Collector does not determine the amount of tax you pay. “We hope that is a huge help for our taxpayers.”. A 10% penalty is added to the first installment after the delinquency date. The penalty cancellation process will require documentation about how the taxpayer was impacted by the virus from reduced hours, layoffs, business closure, hospitalization or other circumstances that prevented timely payment. Be certain it pertains to your property. In the meantime, please keep in mind the second installment of Secured property taxes is annually due on February 1st with a grace period ending on April 10th. County officials throughout the Bay Area made it clear they sympathize with the plight of property taxpayers. For more information about the installment payment plan, call (925) 957-5280 during our regular business hours or refer to our website. DUE DATE — Both installments may be paid when the first is due—both coupons are required when paying entire bill at one time. In the Bay Area, Santa Clara County, Alameda County, Contra Costa County, Marin County, Sonoma County, Solano County, and Napa County are forging ahead with April 10 as a deadline. If you prefer not to have your check converted, you can opt out at www.cctax.us > Look Up/Pay Taxes > Check Conversion Opt-Out.