Photogrammetry uses high-resolution aerial images to create 2D and 3D models of the terrain and structures, while LiDAR (Light Detection and Ranging) uses laser pulses to generate highly accurate 3D point clouds of the environment. LiDAR can penetrate vegetation and is more effective in areas with dense tree cover or poor lighting.

LiDAR is ideal for projects requiring high vertical accuracy, such as flood modeling, vegetation penetration, or mapping in low-light or forested areas. Photogrammetry is more cost-effective for projects where high-resolution imagery and surface modeling are needed in open, unobstructed environments.

H&M Surveying delivers sub-inch accuracy for LiDAR point clouds and detailed 2D and 3D photogrammetric models, depending on the project scope and site conditions. We use GPS-calibrated control points, and ground-based topographic data to ensure survey-grade accuracy across all deliverables.

These services are commonly used for topographic mapping, infrastructure planning, floodplain analysis, construction site monitoring, environmental assessments, utility corridor mapping, and large-scale land development.

Most projects are delivered within 7–14 business days, depending on weather conditions, site size, and required data products. Our dedicated staff communicates timelines clearly and prioritizes efficient, high-quality delivery.

While LiDAR and photogrammetry support accurate mapping, legal boundary surveys must still be performed and certified by a licensed Professional Land Surveyor (PLS) with ground-based survey data. These tools are often used alongside traditional methods for comprehensive results.

Drone-based LiDAR offers rapid, high-resolution coverage over large or hard-to-reach areas, reducing time on site and project costs. However, ground-based surveys are still necessary to confirm the accuracy of our delivered product.

Contact H&M Surveying to discuss your project goals. We’ll review your needs, assess the site, and provide a custom quote and timeline. Our team handles permitting, data acquisition, processing, and final deliverables in-house.