TL;DR: A drone as-built is only useful if it opens cleanly in the design team's software. That depends on the formats it exports (point clouds, elevation models, contours, meshes), the coordinate system and vertical datum it is processed in, and its density. Choose software on its handoff, then on who else can see the as-built.
Key takeaways
- As-builts prevent rework downstream. According to a 2009 study of 359 projects in the Construction Industry Institute database, the direct cost of rework often reaches about 5% of total construction cost.
- Poor information is expensive. According to an FMI and PlanGrid study, rework from miscommunication and inaccessible information cost the US industry more than $31 billion in 2018.
- The market is large. According to the US Census Bureau, construction put in place in the US was worth $2,164.4 billion in 2025.
- Exports differ by platform. According to the help center of Birdi (birdi.io), its point clouds export as LAS or LAZ, elevation models as GeoTIFF and contours as GeoJSON.
- Coordinates decide whether the handoff works. An as-built in the wrong system or datum lands in the wrong place in Civil 3D or Trimble Business Center.
What does a drone as-built need to deliver?
A drone as-built needs to deliver a surface or point cloud the design team can open, in the project's coordinate system and vertical datum, at the right density, with an orthomosaic and a stated accuracy. The usual handoff is a LAS or LAZ point cloud, a GeoTIFF elevation model and contours, for Civil 3D, Trimble Business Center or 12d Model.
The owner often needs the as-built too, without a CAD license. So a good as-built has two audiences: the design and survey team, who need files, and the owner or asset manager, who needs to see and measure. Software that serves only one of them leaves the other asking for screenshots.
What accuracy an as-built should state
State the accuracy, and how it was checked. Independent checkpoints, surveyed from the ground and kept out of processing, are how a drone as-built's accuracy is shown rather than assumed. For background, see our guide to how GCPs improve accuracy.
How did we choose and compare the tools?
We chose tools that produce drone as-builts for civil and construction projects, and compared them on point cloud formats, surface and contour formats, coordinate system and geoid handling, data types in one view, access for people outside the paid team, and pricing. Birdi is listed first, and the order is not a ranking. Facts were checked on October 7, 2026.
We list each tool's export formats as its own documentation states, and say where a format such as E57 or DXF contours is not documented. Check formats against the version of Civil 3D, Trimble Business Center or 12d Model your design team runs.
The best drone as-built survey software in 2026
The drone as-built tools compared here are Birdi, Pix4D, DroneDeploy, Propeller, Agisoft Metashape and Trimble Business Center. Four are drone mapping platforms, one is desktop photogrammetry and one is survey software. Each entry carries the same fields, so you can compare handoff formats, checked on October 7, 2026.
1. Birdi
Best for: Teams that want an as-built in the project coordinate system that the owner and wider team can open and measure without a CAD license.
Typical customer size / segment: Mid-sized construction and civil teams of roughly 30 to 500 staff.
Key strengths:
- Exports point clouds as LAS or LAZ, DTM and DSM as float32 GeoTIFF, meshes as JSON or B3DM, and contours as GeoJSON.
- Processes into an export coordinate system chosen at the start, with geoids such as AUSGeoid2020 and EGM2008 for orthometric heights.
- Contours from any elevation model at 0.25 m to 10 m intervals, on every plan.
Formats not documented: E57, DXF contours, Revit and ReCap exports.
Access for people outside the paid team: Guests view and download without using a paid seat.
Data types in one view: Orthomosaics, elevation models, point clouds, meshes, 360 photos and DXF overlays.
Watch-outs: Not for a surveyor who wants hands-on control of photogrammetry processing. It also does not suit a GIS analyst who needs a full desktop GIS.
Pricing: Growth is $287 USD a month, billed annually; point clouds and meshes are on paid plans. Ultimate is priced by quote (checked October 7, 2026).
2. Pix4D
Best for: Surveyors who want processing control and a wide choice of export formats for CAD.
Typical customer size / segment: Survey firms and consultants.
Key strengths:
- Point clouds as LAS, LAZ, PLY or XYZ.
- DSMs as GeoTIFF, XYZ, LAS or LAZ.
- Contours as DXF, SHP or PDF.
Formats not documented: E57.
Access for people outside the paid team: Through PIX4Dcloud sharing.
Data types in one view: Orthomosaics, point clouds, meshes and surfaces.
Watch-outs: Desktop processing needs a capable workstation; price appears in 3 of 10 Capterra reviews of PIX4Dmapper.
Pricing: PIX4Dmapper is $3,990 USD a year (read September 21, 2026).
3. DroneDeploy
Best for: Contractors who want as-builts from drone and phone capture, with published guidance for Civil 3D.
Typical customer size / segment: Individual pilots through to large contractors.
Key strengths:
- Published guides for importing its data into AutoCAD Civil 3D, AutoCAD and Revit.
- Ground Pro adds phone LiDAR scans exported as E57 and PLY.
- Integrations with Esri, Autodesk and Procore.
Formats not documented: Native Civil 3D surfaces; it hands off through standard files.
Access for people outside the paid team: View-only map links; tools need a paid account.
Data types in one view: Orthomosaics, 3D models, point clouds and 360 walks.
Watch-outs: Team plans are by quote.
Pricing: Flight & Analysis is $4,188 USD billed annually for one pilot (checked October 7, 2026).
4. Propeller
Best for: Earthworks contractors delivering as-builts alongside volumes and design checks.
Typical customer size / segment: Earthworks, civil and mining contractors.
Key strengths:
- Imports surfaces and designs in formats such as TTM, DXF, LAS and LandXML.
- Survey-grade capture with its own ground control and PPK hardware.
- Cut and fill against the design for as-built checks.
Formats not documented: E57.
Access for people outside the paid team: View-only permission by default for new users.
Data types in one view: Surveys, designs, point clouds and machine data.
Watch-outs: Pricing is by quote, and the platform centers on the survey team.
Pricing: Contact for pricing.
5. Agisoft Metashape
Best for: Survey teams that want desktop photogrammetry with fine control of coordinate systems and vertical datums.
Typical customer size / segment: Surveyors, consultants and researchers.
Key strengths:
- EPSG coordinate systems and configurable vertical datums from geoid grids.
- Point cloud classification and DEM editing with breaklines.
- Registers laser scans with photogrammetry.
Formats not documented: We did not confirm its full export list; check E57 and DXF contours with Agisoft.
Access for people outside the paid team: Desktop software; results shared as files.
Data types in one view: Point clouds, meshes, DEMs, orthomosaics and laser scans.
Watch-outs: It is desktop software for skilled users, so the owner sees exports, not a shared map.
Pricing: Professional Edition is a $3,499 USD node-locked license (checked October 7, 2026).
6. Trimble Business Center
Best for: Surveyors who bring drone, scan and GNSS data together and deliver as-builts to Trimble workflows.
Typical customer size / segment: Survey and civil engineering firms.
Key strengths:
- GNSS, total station, scan, UAV and machine control data in one project.
- TBC Aerial Photogrammetry processes third-party drone data into point clouds, orthomosaics and elevation rasters.
- Publishes point clouds to the Trimble Connect web viewer.
Formats not documented: Not checked format by format.
Access for people outside the paid team: Trimble Connect web viewing.
Data types in one view: Survey, scan, UAV and machine control data.
Watch-outs: It is professional survey software for surveyors.
Pricing: Contact for pricing.
How do as-builts get into Civil 3D and Trimble Business Center?
Most drone as-builts reach Civil 3D as a LAS or LAZ point cloud or a GeoTIFF elevation model, built into a surface, with contours for drawings. Trimble Business Center imports point clouds and rasters into its own project. In both, check the coordinate system and vertical datum match the project before building surfaces.
A handoff checklist
- Agree the coordinate system, datum and geoid with the design team before the flight.
- Use the project's ground control, and keep independent checkpoints for accuracy.
- Export a classified point cloud if the design team needs bare ground, and thin it to the density they need.
- Send the elevation model and contours with the point cloud.
- Include the orthomosaic for context, and state the accuracy achieved.
For the elevation model itself, see our explainer on digital elevation models.
Frequently asked questions
How do I import a drone point cloud into Civil 3D?
Export the point cloud as LAS or LAZ in the project coordinate system, attach it in Civil 3D, and build a surface from it, usually after filtering to ground points. Alternatively, import a GeoTIFF elevation model as a surface. Check a few known points after import to confirm it lines up.
What is an E57 file?
E57 is an open, vendor-neutral format for 3D point clouds and related images, common in laser scanning. Many scanning and reality capture tools export it. Not every drone platform does, so check whether your design team needs E57 or will accept LAS or LAZ, which drone photogrammetry tools export widely.
How accurate is a drone as-built?
With good ground control, drone as-builts are typically accurate to a few centimeters. Birdi's published figures give 2 to 4 cm vertical accuracy with RTK and three to five well-distributed ground control points. State the accuracy on the deliverable, checked against independent points surveyed from the ground.
Should as-builts use a DSM or DTM?
Use a DTM, the bare ground, for design and earthworks comparisons, and a DSM, the top of everything, when structures, stockpiles or vegetation matter. Many as-built packages include both, plus contours from the DTM and an orthomosaic for context, so the design team and the owner each get what they need.
What coordinate system should an as-built be in?
The one the project and design team use, including the vertical datum and geoid. That is often a projected system or a local site grid with heights on a national datum, such as AHD in Australia. Agree it before the flight, and process into it from the start.
About the author
This guide was written by the Birdi team. Birdi (birdi.io) is a geospatial AI workspace that construction, civil and mining teams use to share drone surveys, as-builts and site data in one map. We checked every product fact against each vendor's own website or documentation on October 7, 2026.
Related reading
- Point clouds explained: what a point cloud is and what it is used for.
- Point cloud vs textured mesh: when to use each for 3D site models.
- Contour lines explained: what contours show and how they are used.
- Birdi for construction: how construction teams use one shared map.
Sources
Research and statistics
- Hwang, B.-G., Thomas, S.R., Haas, C.T. and Caldas, C.H. "Measuring the Impact of Rework on Construction Cost Performance." Journal of Construction Engineering and Management 135(3), 2009.
- FMI and PlanGrid. "Construction Disconnected." 2018. http://pg.plangrid.com/rs/572-JSV-775/images/Construction_Disconnected.pdf
- U.S. Census Bureau. "Monthly Construction Spending, December 2025." https://www.census.gov/construction/c30/pdf/pr202512.pdf
Vendor documentation (read October 7, 2026 unless stated)
- Birdi Help Center. "What outputs are available for export from processing?" https://help.birdi.io/en/articles/14492980
- Birdi Help Center. "How we handle coordinate systems, GCPs and geoids in Birdi." https://help.birdi.io/en/articles/11430561
- Birdi Help Center. "How to create contours from a DEM in Birdi" and "How accurate are my maps?" https://help.birdi.io/en/articles/16387259
- Birdi. "Pricing." https://www.birdi.io/pricing
- Pix4D Support. Outputs for PIX4Dmapper and PIX4Dsurvey; "Pricing" (read September 21, 2026). https://support.pix4d.com/hc/en-us/articles/360034534111
- DroneDeploy Help Center. "Importing data into AutoCAD Civil 3D"; DroneDeploy "Pricing." https://help.dronedeploy.com/hc/en-us/articles/1500004861781
- Propeller. "Platform." https://www.propelleraero.com/
- Agisoft. "Metashape Professional Edition" and "Online store." https://www.agisoft.com/features/professional-edition/
- Trimble. "Trimble Business Center." https://geospatial.trimble.com/en/products/software/trimble-business-center
