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Download Pre-Defined Areas

​For users who require the point cloud data, we offer this data for download as pre-defined areas in the form of compressed LAS files, known as LAZ. These prepared, downloadable LAZ files cover large areas. If smaller, specific area downloads are required, we recommend user explore the Download Focused Areas page to access the Maryland Statewide LiDAR Download Tool.

A list of available LAS files is shown below. Click on the Block number below to download the file. Each collection has been broken into blocks, with each block no more than 10 GB in size, to facilitate downloading of the point cloud data.

Please reference the document pdf icon How to Use LAZ Download Tool for instructions on decompressing the LAZ files to LAS. Go to the Maryland Topography Viewer​, turn on the Bulk Downloads under Base Maps and Overlays, to view the index grid.

Anne Arundel 2011 ​Washington 2012 ​Queen Anne's 2013 Washington D.C. 2014​
Block 27 ​Block 8 ​Block 46 ​Block 71
​Calvert 2011 ​Block 9 ​Block 47 Baltimore 2015
​Block 28 ​Caroline 2013 Block 48 Block 29
​Howard 2011 Block 57 ​Block 49 ​Block 30
​Block 26 ​Block 58 ​Block 50 Block 31
Somerset 2011 ​Cecil 2013 ​Block 51 ​Block 32
Block 66 ​Block 35 ​Block 52 ​Baltimore City 2015
Wicomico 2011 Block 36 Block 53 ​Block 33
​Block 62 ​Block 37 ​​Block 54 ​Carroll 2015
​Block 63 Block 38 ​Charles 2014 Block 24
Worcester 2011 Block 39 ​Block 17 ​Block 25
​Block 67 Block 40 ​Block 18 ​Garrett 2015
Block 68 Block 41 ​Block 19 ​Block 1
Block 69 ​Block 42 Block 20 ​Block 2
​Block 70 ​Block 43 ​Prince George's 2014 ​Block 3
​Allegany 2012 ​Dorchester 2013 ​Block 13 Block 4
​Block 6 ​Block 59 Block 14 ​Block 5
​Block 7 Block 60 ​Block 15 ​Kent 2015
​Frederick 2012 ​Block 61 ​Block 16 ​Block 44
Block 10 ​Harford 2013 ​St. Mary's 2014 ​Block 45
​Block 11 ​Block 34 ​Block 21 Talbot 2015
​Somerset 2012 ​Montgomery 2013 ​Block 22 Block 55
​Block 64 ​Block 12 Block 23 ​Block 56
​Block 65
Anne Arundel 2017
Block 27a Block 27b Block 27c Block 27d
Block 27e Block 27f Block 27g Block 27h
Block 27i Block 27j Block 27k ​Block 27l
Block 27m Block 27n
Calvert 2017
Block 28a Block 28b ​Block 28c Block 28d
Block 28e Block 28f ​Block 28g Block 28h
Block 28i
Montgomery 2018
Block 1 Block 2 ​Block 3 Block 4
Block 5 Block 6 ​Block 7 Block 8
Block 9
Prince George's 2018
Block 1 Block 2 ​Block 3 Block 4
Block 5 Block 6 ​Block 7 Block 8
Block 9
Ellicott City 2018
Ellicott City 2018 LAS

 Please contact the GIO Office at service.desk@maryland.gov for more information.