IGIS Tech Notes describe workflows and techniques for using geospatial science and technologies in research and extension. They are works in progress, and we welcome feedback and comments below.

But before the approximately 75 parcels currently on the GIS map can officially be designated as surplus, the county has to first deem that it has no need for the parcel in the future and then the ...

Forty-seven of California’s 58 counties already provide GIS parcel maps as public records for a nominal fee, said Dean Wallraff, an attorney for the Sierra Club.

Electronic geographic information system (GIS) mapping data maintained by California governments is public under the state records law and therefore cannot carry the high price tag of a software ...

Nearly 12 years after it was proposed, a GIS-based system to inform city residents about the classification of their property — whether it is located in a residential zone or in a prohibited ...