For firms

Basesheet is free and open source, and it stays that way. A few offices that run regular site studies have asked for firm-specific features, so I'm working with them to improve the tool for professional usage.

Free forever

• Base plans from any US address: parcel, neighbors, roads, contours, slope, soils, flood, wetlands, aerial.
• Every export: DXF, SketchUp terrain, LandXML, GIS, KML and the PDF summary.
• Multi-parcel sites, your own CAD layer names, and the zoning lookup where it's available.

What I'm working on with firms

• Test fits for the places you work: buildable area after setbacks and buffers, maximum units, parking, and a building and parking layout you can open in CAD, from zoning rules checked for your jurisdictions.
• Your office standards on every output: your title block and logo on the PDF, your CAD layer standard set up once for the whole office.
• Batch runs: many sites at once, for feasibility studies and site selection.
• Parcel lines where you work, including counties the free tool doesn't cover yet.

Tell me what your office needs

If any of this would help, a few details go a long way.

Firm Your role

Roughly how many sites do you look at a month? Choose1-23-1011-3030+

What would matter most? (pick any)

Test fits Title block and CAD standards Batch runs Parcel lines where I work 3D massing

Which cities or counties do you work in most? Anything else? (optional) Email

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