About San Joaquin County Geographic Information Systems:
The San Joaquin County Community Development Department established the Geographic Information Systems (GIS) group in 1996. GIS is responsible for maintaining much of the County's map data in electronic form, as well as performing map-based analysis and providing support for other County departments. GIS also provides a wide variety of services to other local and regional agencies both public and private.
Popular Links Here:
District Viewer - interactive map
Supervisorial District Lookup - interactive map
School District Lookup - interactive map
Assessment Map Viewer - static PDF maps
Natural Hazard Disclosure Maps - static PDF maps
Popular Links Elsewhere:
Surveyor Land Records - interactive map
Flood Zone Viewer - interactive map