Geographic Information Systems (GIS)



The Grant County GIS Department creates and maintains GIS data, creates maps, and performs spatial analysis.

Requests for special maps must go through the Grant County Public Records Office.

In addition, the GIS Department manages site addressing in the unincorporated areas of Grant County.

  1. Geographic Information System (GIS)

    Physical Address
    264 W Division Avenue
    Ephrata, WA 98823

    Mailing Address
    P.O. Box 37
    Ephrata, WA 98823

    Phone: 509-754-2011, ext. 2501

Disclaimer & Terms of Service

The information provided by Grant County is provided 'as is' and for reference only. Grant County makes every effort to produce and publish the most current and accurate information possible. No warranties, expressed or implied, are provided for the data provided, its use, or its interpretation.

In no event shall Grant County become liable to users of this data, or any other party, for any loss or damages, consequential or otherwise, including but not limited to time, money, or goodwill, arising from the use, misuse, operation or modification of the data. In using the data, users further agree to indemnify, defend, and hold harmless Grant County for any and all liability of any nature arising out of or resulting from the lack of accuracy, currency or completeness, or correctness of the data, the use or misuse of the data.

In addition, the information on this server, or site, is subject to change without notice and does not represent a commitment on the part of Grant County in the future.

Washington State Law (RCW 42.56.070(9)) prohibits the use of lists of individuals for commercial purposes.