How to appeal a Solano County, CA property assessment
✓ Verified — Last verified October 24, 2026
Filing details published for Solano 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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Solano County Assessor
Sources for these instructions
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Read the source quotations (13)
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.solanocounty.gov/government/clerk-board/assessment-appeals
During the filing period from July 2 - November 30 (If November 30 falls on a Saturday, Sunday, or a legal holiday, the deadline extends to the next business day)
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https://boe.ca.gov/proptaxes/calendar.htm
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
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://boe.ca.gov/proptaxes/calendar.htm
Second installment real property taxes due and payable.
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https://www.solanocounty.gov/government/auditor-controller/property-tax/property-tax-information-2026-2027
Property Tax Information - 2026-2027
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https://www.solanocounty.gov/government/treasurer-tax-collector-county-clerk
Charles A. Lomeli Treasurer - Tax Collector - County Clerk
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Continue with your property
Common questions
Where do I file a Solano 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.