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.