Show HN: Open-source site base plans from any US address

Category: devtools

Tags: gis, cad, site-planning, geospatial, dxf

Score: 6.0/10 (Innovation: 6, Technical: 5, Documentation: 3, Utility: 7)

Basesheet generates site base plans (parcel lines, contours, slopes, soils, flood zones, wetlands, aerial imagery, and 3D building massing) from any US address, exporting to DXF, SketchUp, Civil 3D, and GIS formats. It fills a gap by automating the aggregation of multiple public geospatial datasets into a ready-to-use CAD format, saving manual effort for site analysis.

Target audience: civil engineers, architects, land surveyors, urban planners, GIS analysts

Repository: https://basesheet.site/

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