How to appeal a Inyo County, CA property assessment
✓ Verified — Last verified October 25, 2026
Filing details published for Inyo 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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A published appeal date below has passed. Check the official office for the applicable cycle; no later deadline has been inferred.
Where to file
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Official offices
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Inyo County Assessor
Sources for these instructions
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Read the source quotations (14)
https://www.boe.ca.gov/proptaxes/pdf/lta26023.pdf
County Assessment Appeals Filing Periods for 2026 ... Inyo September 15
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https://www.boe.ca.gov/proptaxes/pdf/lta26023.pdf
The regular appeals filing period in each county will begin on July 2, 2026
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https://www.inyocounty.us/government/board-supervisors/services-information/assessment-appeals
The responsibility of hearing and deciding appeals filed in response to property tax assessments falls to the Inyo County Assessment Appeals Board (AAB). ... Only one APN is allowed per application. Applications must be filed by U.S. post with original signatures.
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https://www.inyocounty.us/government/board-supervisors/services-information/assessment-appeals
Assessment Appeals
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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
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
§§ 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://ca-inyo.publicaccessnow.com/FAQ.aspx
Taxes that are paid late are subject to a 10% penalty of the tax amount owed. If a second installment becomes delinquent a cost charge is added to the amount due. Once a tax bill becomes defaulted it is subject to additional penalties of 18% per annum and redemption fees.
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https://www.inyocounty.us/services/treasurer-tax-collector
The 2026-27 Secured Annual Property Tax Bills were posted on September 15, 2026, and are currently being mailed.
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https://ca-inyo.publicaccessnow.com/FAQ.aspx
The Assessor is the elected official who is responsible for the assessment of all taxable property within the County.
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Continue with your property
Common questions
Where do I file a Inyo County assessment appeal?
File with the Inyo County Assessment Appeals Board by U.S. post with original signatures; one parcel per application.
Updated , from cited verification dates. Individual sources may have earlier checks.