Self-help document preparation, not legal advice. What this kit does and does not do
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Your free preview
Estimated fair value
Your notice values [Property address] at [Value on your notice].
[verdict]
Where and when to file
[countyName]: file with [body] ([form]). [rule] [deadlineText]
The full kit
- Comparable-sales analysis: every sale adjusted, priced per square foot and set against your home, with the median, mean and range
- Filling in your county's official form: a step-by-step guide to the official form or portal for your county, with the values to enter
- Evidence summary: a one-page summary of your notice, your requested value, the method and your sales
- Hearing checklist: what to bring and how to present your numbers
- Official sources: the county and state pages behind your deadline and form
$39
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What you get for $39
- Personalized appeal summary PDF, made in your browser from what you enter.
- Your county's appeal deadline rule and official form link, from the county or state page that publishes it.
- Comparable-sales table and calculation: each sale adjusted, priced per square foot and set against your home.
- Guide to your county's official form: which values go where (a guide, not a copy of the form).
- Evidence checklist and hearing notes to bring on the day.
- List of official sources for your county.
How it works
- Enter your notice value and 3–5 comparable sales above. The free preview shows the estimated fair value, the estimated tax difference and your county's deadline rule.
- Buy the full kit once ($39, one property, taxes calculated at checkout). The full packet and PDF are made in your browser; your inputs are never sent to our server.
- Review the packet and file it yourself with your county, using the county's official form or portal.
Supported counties and appeal rules
Rules read from official county and state pages on November 14, 2026. Always use the date printed on your notice.
| County | File with | Deadline rule |
|---|---|---|
| Cook County, IL | Cook County Board of Review Official form or portal | The Board of Review opens filing by township for at least 30 days each year; once your township closes, the next chance is next year. |
| Harris County, TX | Harris Central Appraisal District Official form or portal | File a written protest with the appraisal review board by May 15 or 30 days after your notice of appraised value was delivered, whichever is later (Texas Tax Code §41.44). |
| Los Angeles County, CA | Los Angeles County Assessment Appeals Board Official form or portal | Regular appeals: July 2 to November 30 each year. Supplemental and escape assessments: 60 days from the notice. |
| Orange County, CA | Orange County Clerk of the Board Official form or portal | Regular appeals: July 2 to November 30 (5 p.m.) each year. Supplemental and escape assessments: 60 days from the notice. |
| Santa Clara County, CA | Santa Clara County Clerk of the Board Official form or portal | Regular appeals: July 2 to September 15 each year. Supplemental and escape assessments: 60 days from the notice. |
| Tarrant County, TX | Tarrant Appraisal District Official form or portal | File a written protest with the appraisal review board by May 15 or 30 days after your notice of appraised value was delivered, whichever is later (Texas Tax Code §41.44). |
| Denton County, TX | Denton Central Appraisal District Official form or portal | File a written protest with the appraisal review board by May 15 or 30 days after your notice of appraised value was delivered, whichever is later (Texas Tax Code §41.44). |
| Collin County, TX | Collin Central Appraisal District Official form or portal | File a written protest with the appraisal review board by May 15 or 30 days after your notice of appraised value was delivered, whichever is later (Texas Tax Code §41.44). |
| King County, WA | King County Board of Appeals and Equalization Official form or portal | July 1 of the assessment year or 60 days after your value notice, whichever is later; eAppeals shows the due date for your parcel. |
| Travis County, TX | Travis Central Appraisal District Official form or portal | File a written protest with the appraisal review board by May 15 or 30 days after your notice of appraised value was delivered, whichever is later (Texas Tax Code §41.44). |
| Dallas County, TX | Dallas Central Appraisal District Official form or portal | File a written protest with the appraisal review board by May 15 or 30 days after your notice of appraised value was delivered, whichever is later (Texas Tax Code §41.44). |
| Maricopa County, AZ | Maricopa County Assessor's Office Official form or portal | Within 60 days after the Assessor mailed the notice of valuation (A.R.S. §42-16051). |
| Fulton County, GA | Fulton County Board of Assessors Official form or portal | 45 days from the date on the annual notice of assessment. |
| Miami-Dade County, FL | Miami-Dade Value Adjustment Board | File a petition within 25 days after the TRIM notice (Notice of Proposed Property Taxes) is mailed. |
| Bexar County, TX | Bexar Appraisal District Official form or portal | File a written protest with the appraisal review board by May 15 or 30 days after your notice of appraised value was delivered, whichever is later (Texas Tax Code §41.44). |
Payment and refunds
Payments are processed by Paddle.com, our Merchant of Record, which also handles receipts, sales tax and refunds. You can get a full refund within 30 days: see the refund policy and the terms. Prefer to do it by hand? The free property tax assessment appeal calculator runs the same comparable-sales math.