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Drone construction monitoring in Northern Virginia

Monthly drone flights that give your superintendent, owner, and lender the same picture of the site: a dated orthomosaic, a 3D model, and earthwork quantities measured against original ground.

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Based in Fauquier County. Flying Loudoun, Prince William, Fairfax, Stafford, and the surrounding counties.

Drone construction progress image from the first month, showing foundations and earthwork Last month
Drone construction progress image from the second month, showing steel erection and slab progress This month
The same site, one month apart. Drag to compare. Sample progress comparison imagery.

What each drone flight delivers

Every visit produces the same set of files, flown on the same routes, so this month lines up with last month.

Orthomosaic

One georeferenced, map-accurate image of the whole site, dated and tied to your site control. Measure distances and areas directly on it.

3D site model and point cloud

Walk the site from your desk. Delivered as a browser link your whole team can open, plus LAS files for your engineers.

Cut and fill volumes

Earthwork quantities for the period and to date, measured against original ground or the design surface.

Progress comparison

This month next to last month, so questions about what was done and when get answered by the imagery.

Progress photos

Oblique drone photos from the same viewpoints every visit, for owner reports and marketing.

Files your team already uses

GeoTIFF, LAS and LAZ, DXF contours, and PDF reports, in your project's coordinate system.

Drone monitoring through every construction phase

What the site needs changes as the job moves. So does what we fly.

  1. Before clearing

    Original ground

    Drone LiDAR reads the ground through tree cover, setting the baseline every earthwork quantity is measured against.

  2. Mass grading

    Cut and fill

    Monthly or biweekly volumes during earthwork, checked against the grading plan.

  3. Vertical construction

    Progress record

    Monthly orthomosaics and 3D models tied to pay applications and schedule updates.

  4. Closeout

    As-builts

    Final site conditions, including the stormwater facility as-builts needed for acceptance.

Who uses construction drone data

General contractors

Verify subcontractor progress, plan site logistics, and back up pay applications with dated imagery.

Owners and developers

See every site each month without driving to it, and track progress against schedule across projects.

Construction lenders

Independent, dated verification of progress before a draw is released.

Accuracy you can check

Every flight uses RTK positioning, and we set independent checkpoints on the ground that are held out of processing. Your report states the accuracy measured against them, not a number from a spec sheet.

Same routes, same viewpoints, every visit. Flight plans are saved at kickoff and reflown each month, so every comparison lines up with the last.

Flying near Dulles and the D.C. airspace

Much of Northern Virginia sits in controlled airspace around Dulles, Manassas, and Leesburg, and parts of Loudoun, Fairfax, and Prince William fall inside the Washington, D.C. Special Flight Rules Area.

We check every site's airspace during scoping and secure FAA authorization before flight day. Sites inside the Flight Restricted Zone around the city generally can't be flown.

Questions about drone construction monitoring

How often should a construction site be flown?

Monthly is standard, timed to pay applications. During mass grading, some contractors fly every two weeks to track earthwork. We set the schedule at kickoff and fly the same routes each visit, so every month compares cleanly with the last.

How accurate is drone construction mapping?

With RTK positioning and ground checkpoints, accuracy on open ground is typically within 2 to 5 cm horizontally and vertically. Every report states the accuracy measured against checkpoints that were held out of processing.

How much does drone construction monitoring cost?

Monthly progress flights on typical sites under 50 acres usually run $600 to $1,200 per visit, depending on site size, deliverables, and whether earthwork volumes are included. Projects on a schedule of 12 months or longer are priced as a retainer at a lower per-visit rate.

How quickly do we get the data?

Orthomosaics and progress photos are typically delivered within two business days of the flight. Volume reports and 3D models follow within three to five business days.

Can you verify progress for a construction loan draw?

Yes. Each visit produces a dated orthomosaic and progress photos from the same viewpoints, which lenders and their inspectors can compare against the draw schedule. We document progress; approving a draw stays with the lender.

What site safety or badging do you need from us?

Tell us your orientation, PPE, and badging requirements during scoping. We complete any required site orientation, wear the required PPE, check in with the superintendent on arrival, and follow your site rules.

Can you fly an active site with cranes and equipment running?

Usually, yes. We coordinate launch location, timing, and crane swing with the superintendent, keep clear of crane paths, and never fly over workers who aren't part of the flight operation.

Construction sites we serve

We fly construction projects across Northern Virginia, including Loudoun, Prince William, Fairfax, Fauquier, Stafford, Culpeper, and Spotsylvania counties — from data center campuses in Ashburn and Manassas to residential developments in Gainesville, Haymarket, Warrenton, and Fredericksburg.

Get a quote for your site

Send the site address, rough acreage, and current phase. We'll reply with a flight plan and a price.

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Email
spencer@sandtair.com
Phone
(805) 814-5803
Based in
Broad Run, Virginia