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1. What does GIS stand for?

GIS stands for geographic information system.

2. What is GIS?

Geographic information system (GIS) is a system of computer hardware, software, and people that can assemble, store, manipulate, analyze, and display geographic data. Geographic data is any information that has a specific location. For example: roads, buildings, political boundaries, property lines, natural resources, etc.

With GIS it is possible to combine many layers of data from different sources and analyze the relationships between the data layers. The results of the analysis can then be displayed as a map or report to assist in decision making. For more information view the National Geographic Resource Library Encyclopedia.

3. How is GIS used on Nantucket?

The geographic information system (GIS) is used as a resource to assist in decision making for a number of departments within the town government. GIS data and products are also available to the public as well as outside agencies.

4. Can anyone order a map?

Yes, anyone can order a map. Most of our data is available to the public on our interactive WebGIS site, and printable versions are available through the department. The GIS department can also create larger format maps.

5. How do I order a map?

To order a map, you can call the Assessor's Office at 508-228-7211 or the GIS office at (508) 228-7200 x 7003

Or Visit:

PLUS Office

2 Fairgrounds Rd.

Nantucket, MA 02554

6. How much does a map cost?

Map price is determined by the size, please call us at 508-228-7211 for more information.

7. How up-to-date is the assessor's information listed for each parcel?

The property information updated nightly from the Assessor’s database.

8. Why does it look like my house is partially on my neighbor's property?

The parcel lines represent the Geographic Information System (GIS) Department's effort to recreate the parcel lines recorded at the Assessor's Office. There are areas of the island where this data is less accurate than others. The GIS Department is working to fix these areas and to increase the accuracy of all of its data.

Please keep in mind that the parcel lines in the GIS are not the legal representation of your property.