Homeowner facing a massive property tax increase due to a reassessment that overvalues their home and needs to file an appeal quickly with proper comparable sales data.

The assessor's website is difficult to use for pulling and formatting comparable sales data, and the county requires precisely formatted evidence to avoid automatic rejection.

Severity

5Critical

Willingness to Pay

implied

Added

Jun 20, 2026

Workarounds Described

manually pulling comparable properties on assessor site
formatting sales data per county requirements to avoid auto rejection

Implied Software Gaps

Automated comparable sales data aggregation and formatting tool
Centralized deadline tracker for different townships

App Concept

TaxAppealPro

TaxAppealPro simplifies the property tax appeal process by automatically gathering comparable sales data from public records, formatting it to meet county requirements, and guiding users through each step with deadlines and document checklists. It eliminates the stress of navigating confusing assessor websites and ensures evidence is accepted on first submission.

Key Features

Auto-pull comparable sales from county assessor databases
Data formatting tool that matches county submission requirements
Deadline tracker with county-specific windows and alerts
Step-by-step appeal wizard with document checklist

Target Users: Homeowners and small property owners in Cook County facing property tax reassessments and needing to file appeals quickly.

Revenue Model: $29 per appeal or $99/year subscription for unlimited appeals

Existing Solutions Mentioned

assessor site to pull comparable properties

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