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Under the Roof

GPT-6 Astra Hackathon NYC
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Under the Roof helps homebuyers see beyond a polished listing and understand what to verify before making an offer. Powered by GPT-6 Astra, it investigates public property records, analyzes floor plans and images, and creates an interactive 3D spatial model. Spatial observations can prompt follow-up permit research, connecting what a home appears to show with what public records actually support. It also calculates assessment-based property tax estimates and turns evidence into clear buyer findings and recommended next steps. Our Philadelphia prototype combines live municipal records with clearly labeled synthetic demo imagery analyzed live by Astra. Findings preserve uncertainty and link back to their sources, helping buyers ask better questions without mistaking incomplete records for proof of a problem.

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leenajoshi

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