Humboldt County GIS Data (California)

Search for Humboldt County, CA GIS data. A GIS data search can provide information on GIS maps, property lines, county lines, city lines, public property, elevations, flood zones, school boundaries, earthquake zones, property appraisal values, erosion, water pollutants, topography, soil composition, sewers, public utilities, building hazards, population information, demographic information, place names, public property, parks, campgrounds, trails, trail maps, historic maps, historic GIS maps, town maps, county maps, city maps, and neighborhood boundaries.


An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Humboldt County, California. As part of this job, Humboldt County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Humboldt 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 Humboldt County GIS data on their websites.

Humboldt County Assessor's Office Eureka CA 825 5th Street 95501 707-445-7663


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 Humboldt 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. Humboldt County GIS data is often accessible through the Clerk Office website.

Arcata City Clerk Arcata CA 736 FIRST St 95521 707-822-5953

Ferndale City Clerk Ferndale CA 834 MAIN St 95536 707-786-4224

Humboldt County Clerk Eureka CA 825 5th Street 95501 707-445-7593


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 Humboldt County, California. These GIS maps typically include property boundaries, real estate appraisal values, Humboldt County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Humboldt 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.

Arcata City Hall Arcata CA 736 F Street 95521 707-822-5951

Blue Lake City Hall Blue Lake CA 111 Greenwood Road 95525 707-668-5655

Eureka City Hall Eureka CA 409 Trinity Street 95501 707-677-0223

Eureka City Hall Eureka CA 531 K Street 95501 707-441-4122

Ferndale City Hall Ferndale CA 834 Main Street 95536 707-786-4224

Fortuna City Hall Fortuna CA 621 11th Street 95540 707-725-7600

Rio Dell City Hall Rio Dell CA 675 Wildwood Avenue 95562 707-764-3532


A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Humboldt County, California. As part of that job, Building Departments maintain GIS data that can include Humboldt 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 Humboldt 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.

Arcata Planning Department Arcata CA 736 F Street 95521 707-822-5955

Eureka Building Department Eureka CA 531 K Street 95501 707-441-4155

Eureka Zoning Eureka CA 531 K Street 95501 707-441-4160

Humboldt County Building Department Eureka CA 3015 H Street 95501 707-445-7550

Humboldt County Planning Department Eureka CA 3015 H Street 95501 707-445-7541


The Army Corps of Engineers is a federal agency that provides engineering services, including managing ports and waterways, protecting against floods and storm damage, and maintaining public recreation areas in Humboldt County, California. The Army Corps of Engineers keeps Humboldt County GIS maps that show navigable waters, tributaries, water depths, bridges, and ports, as well as information on flood zones, dams, and hydroelectric plants. GIS maps of Army Corps recreation areas can include bodies of water, shelters, campgrounds, elevations, and trails. These Humboldt County maps may be available on the Army Corps of Engineers website.

Eureka Army Corps of Engineers Eureka CA 601 Startare Drive 95501 707-443-0855


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in Humboldt County, California. In addition to filing deeds that provide information on property sales and transfers, Recorders of Deeds also have detailed county and local maps, including Humboldt County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show Humboldt 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.

Humboldt County Recorder of Deeds Eureka CA 825 5th Street 95501 707-445-7593