RedTools — Real Estate Data Tools & Property Tax Analytics
RedTools is a real estate intelligence and analytics platform. We turn noisy market data into high-confidence decision-making for homeowners, investors, realtors, and analysts. Our flagship product, FairValue, helps homeowners protest unfair property tax assessments with comparable sales data and AI-generated protest letters.
Last updated: April 30, 2026
What RedTools Does
- Real estate data tools for variable-depth neighborhood, market, and parcel-level analysis.
- Proprietary kernel models trained on debt load, income velocity, migration, and stagnation signals across millions of data points.
- Investor intelligence with rental viability, risk exposure, growth projections, and post-purchase property tax protest support.
- Data reliability scoring that flags low-confidence markets without polluting the rest of the dataset.
FairValue: Property Tax Protest Letter Generator
FairValue is RedTools’ consumer product for property tax appeals. Enter your property address, confirm your assessment details, and FairValue identifies the strongest comparable sales, calculates your fair market value, and generates a professional protest letter ready to file with your local appraisal district.
- Free tier: Up to 5 sale comps and 5 rental comps with basic property data and PDF export.
- Full Service ($25): Up to 15 sale and rental comps, advanced comp selection, a complete appeal letter, tax authority filing instructions, and PDF + DOCX downloads.
Try FairValue — free comp analysis with no signup required.
How RedTools Is Different
- Analytics, not aggregation. Built on kernel models and diverse sources, not repackaged stats.
- Personalized insights. Modular kernels adapt to investors, realtors, homebuyers, and data analysts on the fly.
- No sponsored cities. Unbiased results based purely on market data and analytics.
- Built by 40+ years of combined real estate market experience.
Who RedTools Is For
- Homeowners who want to protest an over-assessed property tax bill without paying a consultant 30–40% of the savings.
- Real estate investors who need rental viability and risk exposure analysis before bidding.
- Realtors who want defensible comp data and market-context briefs to share with clients.
- Researchers and analysts who need clean, reliability-scored real estate data.
Resources & Guides
- How to Protest Property Taxes (National Guide)
- Property Tax Protest FAQ
- Comparable Sales Analysis Methodology
- 2026 Property Tax Trends
- Texas Property Tax Protest Guide
- California Property Tax Protest Guide
- Florida Property Tax Protest Guide
- New York Property Tax Protest Guide
Get Started
Start a free property tax analysis with FairValue or read the RedTools Insights blog for market commentary and product updates.