​The Maryland LiDAR service provides open access to statewide elevation information for use in a variety of studies and applications. The Maryland LiDAR server maintains the best available elevation data and provides image services in both county and statewide extents.

Service Level Objective (SLO):

LiDAR has a 99.9% uptime service level objective; excluding planned outages, maintenance windows and unavoidable events.

Features and Benefits:

Elevation data is essential for a broad range of applications: flood risk management, ortho rectification, emergency management​t, damage assessment, view shed analysis, natural resource conservation management​, just to name a few. LiDAR, stands for Light Detection And Ranging and is currently the primary collection method for elevation data. The LiDAR initiative provides multiple options for users interested in exploring Maryland's elevation data.

NEW - Download

Elevation data for the entire state of Maryland is now available for download. Learn more about available LiDAR collections, download formats, typical LiDAR users and respective tutorials. Check back often as we continue to add more LiDAR resources for download.​​

Topography Server

The best available elevation data is maintained in a centralized location and provides a variety of core and derivative services in both county and statewide extents. Available services include digital elevation model (DEM) in feet and meters, shaded relief, slope, aspect and hill shade.

Topography Viewer

The Maryland Topography Viewer is a web application that allows users to view and interact with the elevation services hosted on the Maryland LiDAR server. Users can view, query and more on desktop and mobile devices.

Topography via ArcGIS Online (AGOL)

Users can display and interact with the elevation products through ArcGIS Online (AGOL). AGOL maps have been pre-populated with core and derivative products in both county and statewide extents.


Eligible: All Public

Availability (Uptime): 24 hours / 365 days

Standard Support Hours: 7am – 9pm Monday- Friday

Exceptions: The Service Desk is not available during State Holidays or Service Reduction Days

Response (to incident) Time: Based on priority, see SLA

Resolution (of incident) Time: Based on priority, see SLA

Maintenance Windows: Maintenance occurs on the 3rd Tuesday and Wednesday of every month from 7 p.m. -11 p.m.

Security: Open Access, No password required

Business Critical Service: Yes; Recovery Time – 4 hours​​

Request the Service:

To request this service, please email DoIT Service Desk at

Related Documentation:

Contact the Service Desk:

Our Service Desk is here to help:
Phone: 410-697-9700