Cowlitz County GIS Portal (Washington)

Cowlitz County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Cowlitz County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Cowlitz County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Cowlitz County, Washington. These maps can also include place names, bodies of water, flood zones, property zones, and other geographic information. Some Assessors may keep historic GIS maps that include historic property tax assessments. These maps may be available on the Cowlitz County Assessor Office website.

Cowlitz County Assessor's Office Kelso WA 207 4th Avenue North 98626 360-577-3010


Cowlitz County Town and City Halls provide municipal services for their town or city, including preserving vital records and maintaining records on their jurisdiction such as Cowlitz County GIS maps. The GIS maps at a Cowlitz County Town or City Hall can include property boundaries, public property, unclaimed parcels, and roads, as well as appraisal values for properties and property tax assessments in Cowlitz County, Washington. These GIS maps may also show population information, place names, zoning boundaries, bodies of water, flood zones, and other geographic information. Some Town and City Halls also have historical maps of their area. These maps are often available to the public on the Cowlitz County Town and City Hall website.

Castle Rock City Hall Castle Rock WA 141 A Street 98611 360-274-8181

Kalama City Hall Kalama WA 6315 Old Pacific Highway South 98625 360-673-3706

Kelso City Hall Kelso WA 320 North 1st Avenue 98626 360-673-4562

Cowlitz County Clerk Offices maintain public records for a county or local government, which includes GIS maps. These maps provide detailed information on the area, including Cowlitz County property maps that show boundaries, public property, property divisions, and in some cases, population information in Cowlitz County, Washington. They may also include property value assessments and property tax rates. Cowlitz County GIS maps can show place names, bodies of water, zoning information, flood zones, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations, and these maps are often available online through the Clerk Office website.

Cowlitz County Clerk Kelso WA 312 1st Avenue 98626 302-853-1717

Kalama City Clerk Kalama WA 320 North 1st Street 98625 360-673-4561

Woodland City Clerk Woodland WA 230 Davidson Avenue 98674 360-225-8281


Cowlitz County Recorders of Deeds keep real estate records to ensure the accuracy of property and land records. In addition to deeds, Recorders of Deeds also have detailed county and local maps, including Cowlitz County GIS maps that show property lines, building information, public property, unclaimed parcels, as well as property value assessments and property tax information. These GIS maps may also include place names, zoning boundaries, bodies of water, flood zones, and other geographic information in Cowlitz County, Washington. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Cowlitz County Recorder of Deeds website.

Cowlitz County Recorder of Deeds Kelso WA 207 4th Avenue North 98626 360-577-3002