SHEET 36 · Tools
Tax Data Analyzer
Deck.gl GPU-accelerated maps for 123K+ county sales records since 1970 — LOESS regression, 6-tier geocoding, four analytics apps
no public build · runs locally
2025localTools
About
A GPU-accelerated analytics platform transforming decades of Colorado county real estate sales (76K Garfield + 47K Pitkin, 1970-present) and 9,800+ HOA entities into four interconnected desktop-style apps: Sales Explorer, Map Viewer with Deck.gl scatter/heatmap/hexagon layers, Market Analytics with LOESS regression and CAGR trends, and HOA Directory with fuzzy matching. Features a 6-tier geocoding fallback strategy (Nominatim + BLM PLSS) and 38 specification documents across 8 implementation phases.
Key features
- 01Four integrated desktop-style apps within XTL OS
- 02GPU-accelerated map rendering of 76K+ property sales
- 036-tier geocoding fallback strategy with PLSS support
- 04LOESS regression and CAGR market trend analysis
- 05Parcel-level ownership chain tracking across 55+ years
- 06Cross-app IPC communication
- 07Multi-county support (Garfield + Pitkin counties)
- 08HOA entity directory with fuzzy matching
- 09Monthly-partitioned processed CSV files from 1970 to present
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