How to appeal a Del Norte County, CA property assessment
✓ Verified — Last verified October 25, 2026
Filing details published for Del Norte County. Match the notice and assessment cycle to the official instructions.
Official appeal instructionsNot tax or legal advice; confirm with your county.
Filing timing
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Where to file
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Official offices
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Jennifer Perry
Sources for these instructions
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Read the source quotations (15)
https://www.boe.ca.gov/proptaxes/faqs/assessappeals.htm
You must file an Assessment Appeal Application, form BOE-305-AH, obtained from the clerk of the board of the county where your property is located.
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https://www.boe.ca.gov/proptaxes/faqs/assessappeals.htm
The filing periods for a lien date appeal (where the value of your property was on the roll on January 1) are from July 2 to September 15, or July 2 to November 30, depending upon the county in which you are located.
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https://www.boe.ca.gov/proptaxes/calendar.htm
§ 2605 Rev. & Tax. Code | November 1 | Property owners | First installment of real property taxes and all taxes on personal property on the secured roll are due and payable.
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https://www.boe.ca.gov/proptaxes/calendar.htm
§§ 2617 and 2704 Rev. & Tax. Code | December 10 | Property owners | First installment of taxes on the secured roll, if unpaid, is delinquent at 5:00 p.m. or close of business day, whichever is later.
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https://www.boe.ca.gov/proptaxes/calendar.htm
§ 2606 Rev. & Tax. Code | February 1 | Property owners | Second installment real property taxes due and payable.
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https://www.boe.ca.gov/proptaxes/calendar.htm
If the specified date falls on Saturday, Sunday, or a legal holiday, the action may be done on the next business day. (Government Code §§ 6706, 6707)
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https://www.boe.ca.gov/proptaxes/calendar.htm
§§ 2618 and 2705 Rev. & Tax. Code | April 10 | Property owners | Second installment of taxes on the secured roll, if unpaid, is delinquent at 5:00 p.m., or close of business day, whichever is later. If the specified date falls on Saturday, Sunday, or a legal holiday, the action may be done on the next business day. (Government Code §§ 6706, 6707)
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https://www.co.del-norte.ca.us/departments/taxcollector/DueDates
The 1st installment of your property tax is due November 1, and a late penalty of 10% is attached if payment is made after the December 10 delinquent date. The 2nd installment is due February 1, and a late penalty of 10% and a $10.00 cost fee attaches if payment is made after the April 10 delinquent date.
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Continue with your property
Common questions
Where do I file a Del Norte County assessment appeal?
File the county's Assessment Appeal Application (BOE-305-AH) with the clerk of the board in the county where the property is located.
Updated , from cited verification dates. Individual sources may have earlier checks.