Topographic Surveys
Planimetrics, breaklines, and surfaces suitable for design. Standard contours at 1′ or 2′ intervals.
Survey-Grade Drone Services in Downers Grove, IL
Elevate your perspective across Northeast Illinois with Survey Illinois—your trusted partner for precision drone surveying, aerial mapping, and photography. Our FAA Part 107‑certified pilots combine legacy photography expertise with modern drone tech to deliver CAD‑ready results: georeferenced orthomosaics, point clouds, LiDAR, and contour‑rich topographic surfaces. Whether you need immersive 3D models for construction, high‑impact real estate imagery, or dependable progress documentation, we provide fast, accurate, locally grounded service that drops straight into your engineering and design workflow.
We deliver accurate mapping for civil engineers, contractors, and landowners across Chicagoland. Flights are tied to survey control and delivered in CAD-ready formats aligned to your coordinate system.
Coordinate Systems: Illinois State Plane East (NAD83, US feet), Illinois State Plane West, or UTM Zone 16N — plus local site coordinates when needed.
Construction Staking
Layout you can build from — centerlines, offsets, and structural points clearly marked on site plans.
LiDAR Mapping
Vegetation-tolerant acquisition for reliable terrain in tree cover and complex sites.
Aerial Photo & Video
Orthomosaics, obliques, and progress imagery for documentation and stakeholder updates.