Knowledge
Each source has a page with its publisher, update schedule, coverage, known limits, and request fields. Coverage tells you where a source is available, not which fields a property will return. You can get the same details as JSON at /api/knowledge/data-sources.
Last verified . That is when this list was last rebuilt from the ParcelOps source registry, not when each publisher last refreshed its own data.
Which California air district and basin govern a location, whether it sits in a community air protection area, and what offset projects cover it.
Wells near a California parcel, idle and orphan exposure, and the state review that can hold up a local building permit.
