Santa Clara County Property Tax Appeal Deadline
Deadline varies by county — check your county's appraisal district.
Key Dates for Santa Clara County
| Appeal deadline | Regular assessment appeals are filed July 2 through September 15 for all property in the county, because the Assessor mails a Notification of Assessed Value (postcard) to all real-property assessees on the local roll by August 1 (notices are sent at the end of June). If the Assessor had not mailed those notices by August 1, the regular filing period would instead run July 2 through November 30. Supplemental and roll-change/escape assessments: within 60 days of the notice mailing/postmark date. A homeowner who disagrees with the Notification of Assessed Value may also request an informal review by presenting factual market-value information to the Assessor's Office by August 1 of the current assessment year. |
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| Lien date | January 1, 2026 |
| Statute | Cal. Rev. & Tax. Code §1603(b) |