Property Tax Protest Deadlines 2026: Texas and California
Property tax protest deadlines are absolute. Miss them by even one day and you lose your right to appeal for the entire year. This comprehensive guide covers 2025 deadlines for Texas (May 15) and California (September 15 or December 1 depending on county), plus exactly how to file in each state.
Key Takeaways:
Texas Property Tax Protest Deadline
May 15, 2025 β OR 30 days after your appraisal notice was mailed, whichever is later.
How to file in Texas:
- Online (fastest): Most counties offer online filing through their appraisal district website
- By mail: Send completed protest form via certified mail (postmark counts)
- In person: Deliver to your county appraisal district office
California Property Tax Appeal Deadlines
September 15, 2025 counties (11 total): San Francisco, San Diego, San Bernardino, Kern, Ventura, Santa Barbara, San Luis Obispo, Solano, Merced, Modoc, Sierra
December 1, 2025 counties (47 total): Los Angeles, Orange, Santa Clara, Alameda, Riverside, Sacramento, and most others
How to file in California:
- Download Assessment Appeal Application (Form BOE-305-AH)
- Complete the form with your opinion of value
- Pay filing fee (typically $30-$60)
- Submit to your county's Assessment Appeals Board
What Happens After You File
Texas: Confirmation β Evidence packet β Informal hearing (85-95% resolve here) β ARB if needed
California: Confirmation β Hearing notice (6-18 months) β AAB hearing β Decision
Missed the Deadline?
- Wait until next year
- Check for rare late-filing exceptions
- File for exemptions retroactively
Paying Too Much in Property Taxes?
Let our licensed property tax experts assess your tax bill for potential savings. Over 80% of protests get a reduction of more than $1,000 and it takes less than 3 minutes to enroll.
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FAQs
What if I file my protest one day late?
Unfortunately, property tax protest deadlines are strictly enforced. Filing even one day late typically means you lose your right to appeal for the entire year.
Does the postmark date count?
Yes, in both Texas and California, the postmark date counts as your filing date. Use certified mail for proof.
Ryder Meehan
Ryder Meehan is the Co-Founder of TaxDrop and a Licensed Property Tax Protest Consultant
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