Grant County GIS Data (Washington)

An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Grant County, Washington. As part of this job, Grant County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Grant County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their Grant County GIS data on their websites.

Grant County Assessor's Office Ephrata WA 35 C Street Northwest 98823 509-754-2011


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in Grant County, Washington. These GIS maps typically include property boundaries, real estate appraisal values, Grant County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Grant County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or City Hall website.

Coulee City City Hall Coulee City WA 501 West Main Street 99103 509-632-5331

Electric City City Hall Electric WA 10 Western Avenue 99123 509-633-1510

Ephrata City Hall Ephrata WA 121 Alder Street Southwest 98823 509-754-4601

Grand Coulee City Hall Grand Coulee WA 306 Midway Avenue 99133 509-633-1150

Hartline City Hall Hartline WA 941 Willard Street 99135 509-639-2606

Mattawa Town Hall Mattawa WA GOVERNMENT Way 99349 509-932-4037

Royal City City Hall Royal WA 445 Camelia Street Northeast 99357 509-346-2263

Soap Lake City Hall Soap Lake WA 239 2nd Avenue Southeast 98851 509-246-1211

Warden City Hall Warden WA 201 South Ash Avenue 98857 509-349-2326

Warden City Hall Warden WA 121 South Main Avenue 98857 509-349-2033

A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Grant County, Washington. As part of that job, Building Departments maintain GIS data that can include Grant County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show Grant County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

Ephrata Building Department Ephrata WA 121 Alder Street Southwest 98823 509-754-4601

Grant County Building Department, Planning, Zoning and Permits Ephrata WA 332 Division Avenue West 98823 509-754-2011

Quincy Building Department Quincy WA 115 1st Avenue Southeast 98848 509-787-3523


A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show Grant County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. Grant County GIS data is often accessible through the Clerk Office website.

Grand Coulee City Clerk Grand Coulee WA 306 Midway Avenue 99133 509-633-1105

Grant County Superior Court Ephrata WA 35 C Street Northwest 98823 509-754-2011

Quincy Town Clerk Quincy WA 104 B Street Southwest 98848 509-787-3523

Wilson Creek City Clerk Wilson Creek WA 254 Railroad Street 98860 509-345-2531


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in Grant County, Washington. In addition to filing deeds that provide information on property sales and transfers, Recorders of Deeds also have detailed county and local maps, including Grant County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show Grant County place names, flood zones, zoning boundaries, neighborhood lines, bodies of water, and other geographic information. The Recorder of Deeds may provide access to GIS data on its website.

Grant County Recorder of Deeds Ephrata WA PO Box 37 98823 509-754-2011