---
title: Build a Property Tax Appeal Packet From Your Own Numbers — Free
description: Enter your assessed value and comparable sales, and get the over-assessment percentage, the annual tax at stake, and a dated appeal checklist built around your deadline. Runs locally.
category: civic
last_verified: 2026-09-12
freshness: green
published: 2026-09-12
canonical_url: https://gratis-ai.pages.dev/articles/property-tax-appeal-evidence-packet.html
companion_app_url: https://gratis-ai.pages.dev/apps/property-tax-appeal-evidence-packet.html
reading_time_minutes: 4
tags: civic, property-tax, appeal, housing, deadlines, no-account
---

# Build a Property Tax Appeal Packet From Your Own Numbers — Free

Enter your assessed value and comparable sales, and get the over-assessment percentage, the annual tax at stake, and a dated appeal checklist built around your deadline. Runs locally.

**Free and complete.** This guide is a standalone free tool — no account, no card, anywhere. The only paid option is one optional extra outcome: $4 one-time. Nothing in the free tier is gated.

## Who it's for

Homeowners who think their assessment is too high and don't know what evidence an appeal board actually wants

## What's free

- Unlimited assessment checks
- Over-assessment percentage from your comparables
- Dated evidence checklist from your deadline

## Optional paid add-on

**$4 one-time.**

- Printable notice — the packet on one sheet — estimate: ~20 min saved.
- Saved properties shelf — up to 4 assessments in this browser — estimate: ~15 min saved next year.
- Comparable table export — a clean exhibit table — estimate: ~25 min saved.

## Sources & verification

- Tool: Local appeal-evidence calculator (no model needed)
- Primary source: the free tool itself (local-first, no external dependency)
- Last verification: 2026-09-12 (green)

## Use it

- Interactive guide: https://gratis-ai.pages.dev/articles/property-tax-appeal-evidence-packet.html
- Companion app: https://gratis-ai.pages.dev/apps/property-tax-appeal-evidence-packet.html
- This machine-readable mirror: /mirrors/property-tax-appeal-evidence-packet.md

*Generated free at https://gratis-ai.pages.dev/articles/property-tax-appeal-evidence-packet.html — every guide on GratisAI is a complete, working tool. $0, no account, no card, anywhere.*