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  • Common Questions

    When will the next orthophotos be available?

    The next Pictometry aerial photo project is planned for spring of 2022.

    The Pictometry project flown in May through August 2020 is the latest available imagery.  Oblique and orthophoto views are available using the PimaMaps "Oblique Aerial Photos" tool under the Help and Custom Tools tab as well as Pictometry links toward the bottom of parcel information pages. 

    The 2020 Pictometry orthophoto layer is included in the PimaMaps "Latest Orthophoto Imagery" layer.

    How do I get orthophoto and aerial imagery data files?

    See Getting Orthophotos and Aerial Imagery.

    Where do I find all the utilities?

    • The Pima County Regional Wastewater Reclamation Department doesn't provide sewer maps online. Please contact them directly for assistance.
    • Tucson Water does not provide us with map data for our maps. Selected area maps are available from Tucson Water Customer Services at 310 W. Alameda St. in Tucson.
    • All other utilities are operated by companies that do not share their map data with us. These include electric, telephone, gas, and cable.

    How often are the data layers updated?

    Data update frequency varies considerably as each data layer is maintained separately.

    • Some layers such as "Parcels - Pima" are maintained daily or concurrently with the data changes, such as "Annexations". Even so, parcel information like the parcel owner is based on assessor records which may lag recorded parcel changes by a few months.
    • Other important layers like the "Streets," "Subdivisions" and "Zoning" are maintained on a regular basis.
    • Other layers may be updated as infrequently as yearly.
    • Some layers originally created for special projects have no update plan.
    • Orthophoto imagery is updated after each new orthophoto project is completed. See Orthophoto Imagery for more.
    • Lastly, there are layers such as the Section Grid that don't require maintenance.
    Our GIS Library Data Layer Metadata includes the Date of Last Update, as well as the Source Date and a Maintenance Description for each layer. This update information is maintained manually. Certain updates may not be reflected in the metadata. Conversely, the update date may be the date we updated the library and may not necessarily be true date of the underlying layer. When the update date is important to you, you should seek confirmation of the data from official sources.

    When is the next PimaMaps class?

    See PimaMaps Classes.

    How do I print the map? 

    See PimaMaps Frequently Asked Questions.

    How can I see the latitude and longitude?

    There are a few ways to display and capture the latitude and longitude of one or more points on the map:

    1. The simplest way is to use the latitude and longitude widget on the bottom right corner of the screen. Click the widget to open, and then move your mouse over the map. The widget will report the latitude and longitude for your mouse location.
    2. You can also use the Plot Coordinates tool, which is found on the Query Data tab of the toolbar or in your Right-click functions. The use of the tool can be found in the Quick Start Guide and Frequently Asked Questions.

    How can I zoom to a specific latitude/longitude on the map?

    Open the toolbar and navigate to the Query Tab. From there, open the Plot Coordinates tool. Enter the latitude/longitude coordinates and choose Add. If you’re not sure which Coordinate system to use, select each option and see if the format matches what you are trying to enter. For Coordinates copied from Google Maps, you’ll use the first option, WKID: 4326 Lat/Long and add in the N latitude and W longitude values to the right of the coordinates.

    How can I find a parcel's area?

    See Finding Parcel Areas.

    How do I make a mailing list?

    To make mailing list, make a selection of multiple map feature (generally parcels).  Then use the Panel Action Menu export to an Excel table or CSV file.  Then use Word or other label software to import the file and make the labels. See this link for a How To on selecting multiple features. 

    How do I get the source map data files to use in other programs?

    See GIS Data Products - Acquiring Our GIS Data.

    Where can I find maps for other Arizona counties?

    Not all counties or cities have online interactive mapping. Pima County was one of the first to provide this service to the public on the Internet, starting in the fall of 1997. Other jurisdictions may use different mapping technology. Unfortunately, there is no standardization of the technology or mapping presentation. See Arizona Counties for links to other county maps we know of. 

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    Geographic Information Systems

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    Mail-Stop Code DTBAB17-425
    Tucson, AZ 85701

    Phone: (520) 724-6670
    Fax: (520) 791-6588


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