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Guadalupe County
Property Tax Guide

Guadalupe Appraisal District (GAD)

Contact Your CAD

Always verify this link is current at your CAD's official website before filing.

Important: Verify deadlines with Guadalupe AD at guadalupead.org or 830-303-3313. This is educational content only — not legal, tax, or appraisal advice.

Typical Protest Deadline

May 15 or 30 days after the Notice of Appraised Value is mailed, whichever is later.

This is the general rule. Always confirm the exact deadline directly with Guadalupe Appraisal District (GAD).

Estimate Your Specific Deadline

Enter your notice mail date for a personalised estimate.

This tool provides an educational estimate only. Always confirm your deadline with your county appraisal district.

General Filing Steps

  1. 1

    Receive your Notice of Appraised Value (typically mailed April–May).

  2. 2

    Review the assessed value on the Guadalupe AD website and compare to your opinion of market value.

  3. 3

    File a protest online at guadalupead.org, by mail, or in person at the CAD office before the deadline.

  4. 4

    Gather comparable sales data and any evidence of property condition issues.

  5. 5

    Attend your informal hearing with a CAD appraiser.

  6. 6

    If unresolved, request a formal ARB (Appraisal Review Board) hearing.

  7. 7

    Accept the final value or pursue binding arbitration / district court appeal.

Commonly Required Documents

  • Notice of Appraised Value (or your CAD property account number)
  • Recent comparable sales (within 0.5–1 mile, similar size/age/condition)
  • Photos documenting any property condition issues
  • Recent appraisal or licensed inspection report (if available)
  • Repair estimates for documented damage

Evidence Tips for Guadalupe County

  • Seguin and Schertz are distinct sub-markets within Guadalupe County.
  • Properties near the Guadalupe River may carry flood risk — document FEMA zones.
  • Rapidly growing suburban areas need current (within 6 months) comparable sales.
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