City of Alvin GIS Interactive Mapping
Here you will find our interactive GIS map designed to address specific topics of interest. Simply click on the link provided (please be patient while it loads), then use the navigation tools to interact with the map. Please note that certain types of data will become visible as you zoom in closer on the map.
GIS Web Map
Information such as land parcels, schools, council districts, city services, parks, streets and county roads with aerial photography is available. Also included will be data concerning FEMA zones, floodway, C&R drainage ditches. This map also contains a network of horizontal and vertical control points.These are concrete monuments with brass caps arrayed throughout the city that have x,y and z coordinates attached to them. Each benchmark also has a location map in Adobe pdf format for you to print. This will bring up the pdf file of that benchmark. You must have Adobe Reader installed on your computer. You can also use the identify tool on the GIS map to see the elevation and coordinates.
2009 Flood Plain Community Document
This is where you can find flood protection information.
City of Alvin Flood Zone Map
This shows the overall city with the FEMA flood zones turned on for quick reference.
Disclaimer: The City provides this information "as is" without warranty of any kind, expressed or implied, and explicitly disclaims any representations and warranties, including, without limitation, the implied warranties of merchantability and fitness for a particular purpose. The City assumes no liability for any errors, omissions or inaccuracies in the data provided regardless of how caused. The City assumes no liability for any decisions made or actions taken or not taken by the user of this data in reliance upon any data furnished hereunder. Users bear sole responsibility for the appropriate use of the information with respect to possible errors in scale, resolution, rectification, positional accuracy, development methodology, time period, environmental and climatic conditions, and other circumstances specific to this data. Use of this data indicates the user's unconditional acceptance of all risks associated with the use of this data.
Please report any errors or problems encountered to the GIS Coordinator at: Report a Problem