How to appeal a Nevada County, CA property assessment

βœ“ Verified β€” Last verified October 24, 2026

Filing details published for Nevada County. Match the notice and assessment cycle to the official instructions.

Official appeal instructions

Not tax or legal advice; confirm with your county.

Filing timing

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Instructions based on your notice

Annual roll appeals are filed July 2 through November 30. Supplemental assessment appeals close 60 days from enrollment.

Officially published

Where to file

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Nevada County Assessment Appeals Board; obtain the application from the Clerk of the Board, 530-265-1480.

Officially published

Official appeal page

Officially published

Assessment notice period

Annual assessed value notices are mailed to all property owners by August 1.

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Official offices

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Nevada County Assessor

Office website

Officially published

Phone

530-265-1232

Officially published

All Nevada County dates, offices and sources

Sources for these instructions

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Read the source quotations (15)
https://www.nevadacountyca.gov/169/Assessment-Appeals---Informal-or-Formal
The assessment appeal period is July 2 through November 30 in Nevada County. The supplemental assessment appeal filing period is open upon enrollment of the supplemental value and closes 60 days from the date of enrollment.

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https://www.nevadacountyca.gov/169/Assessment-Appeals---Informal-or-Formal
The form and further information regarding your appeal rights can be obtained from the Nevada County Clerk of the Board. Phone: 530-265-1480

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https://www.nevadacountyca.gov/169/Assessment-Appeals---Informal-or-Formal
Formal Appeal - Assessment Appeals Board (AAB)

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https://www.boe.ca.gov/proptaxes/calendar.htm
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.nevadacountyca.gov/348/Treasurer-Tax-Collector
The 1st Installment is due and must be postmarked by December 10, 2026.

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https://www.boe.ca.gov/proptaxes/calendar.htm
February 1 | Property owners | Second installment real property taxes due and payable.

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https://www.nevadacountyca.gov/DocumentCenter/View/17394/Property-Tax-Frequently-Asked-Questions-PDF
The second installment is due February 1st and becomes delinquent after April 10th.

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https://www.nevadacountyca.gov/DocumentCenter/View/17394/Property-Tax-Frequently-Asked-Questions-PDF
If the delinquent date falls on a weekend or holiday, you have until the close of the next business day to pay your tax bill.

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https://www.nevadacountyca.gov/DocumentCenter/View/17394/Property-Tax-Frequently-Asked-Questions-PDF
Failure to meet each installment deadline results in a 10% penalty immediately following the delinquent date. A $10 charge is also added to the second installment. If payment is not received for either the first and/or second installments by June 30th, the property becomes β€œtax defaulted.” Penalties begin to accrue on July 1st, an 18% annual interest rate (1.5% per month), and a $15 redemption fee is added to the bill.

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https://www.nevadacountyca.gov/169/Assessment-Appeals---Informal-or-Formal
The Assessor will mail an annual assessed value notice to all property owners by August 1st.

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https://www.nevadacountyca.gov/348/Treasurer-Tax-Collector
2026-2027 Secured Tax Bills are now available to view and pay online

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https://www.nevadacountyca.gov/348/Treasurer-Tax-Collector
Treasurer-Tax Collector

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https://www.nevadacountyca.gov/169/Assessment-Appeals---Informal-or-Formal
The Assessor's phone number is 530-265-1232

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Continue with your property

Common questions

Where do I file a Nevada County assessment appeal?

Nevada County Assessment Appeals Board; obtain the application from the Clerk of the Board, 530-265-1480.

What's next for you

Nevada County, CA

Due date:

Official source

Set by law. Verified October 24, 2026.

November 1 | Property owners | First installment of real property taxes and all taxes on personal property on the secured roll are due and payable.

Check the official source

Updated , from cited verification dates. Individual sources may have earlier checks.