Coverage · AZ
ToposNow indexes 83 USGS 3DEP lidar collections covering Arizona, flown 2011–2024, with vertical accuracy from 10 cm. 77 of them meet the 10 cm RMSEz survey-grade tiers (QL1/QL2).
Collections
83
Flight years
2011–2024
Best accuracy
10 cm RMSEz
Survey-grade (≤10 cm)
77
The 4.2 trillion lidar points published for Arizona are free — but they arrive as raw tiles in national coordinate systems, weeks of GIS work from a design surface. ToposNow clips your exact site, reprojects to the coordinate system you work in, and delivers classified LAS/LAZ, Civil 3D-ready DXF surfaces, XYZ grids, GeoTIFF DEMs, or a print-ready contour map PDF — in minutes, priced per acre.
Every order starts with a free availability report: which collections cover your site, when they were flown, and their stated accuracy — before you pay anything.
Arizona has 83 published USGS 3DEP collections indexed by ToposNow, flown between 2011 and 2024. Coverage varies within the state — draw your exact site on the ToposNow map for a free availability report listing the collections, flight dates, and accuracy for your location.
The best collections covering Arizona state 10 cm RMSEz vertical accuracy on open terrain. The free per-site report quotes the exact figure for every collection covering your site.
Classified LAS/LAZ point clouds, Civil 3D-ready DXF ground surfaces, XYZ grids, GeoTIFF DEMs, and print-ready PDF contour maps — reprojected to any EPSG coordinate system (for example your Arizona State Plane zone) with vertical datum control. Delivery takes minutes after checkout.
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Source: USGS 3D Elevation Program (3DEP) WESM metadata, indexed 2026-07-10. Counts include every published collection whose footprint intersects Arizona. ToposNow deliverables are derived from published USGS lidar and are not a land survey.