California fertilizer registration, tonnage report and fees
California's requirements in one page: licence, product registration, inspection fee, reporting frequency and late penalties — each with the official source. Agency: CDFA.
- whether the published $100 licence and registration fees are still current: $100 per the agency guide (last revised 2017) / the statute sets higher caps ($300 and $400); the currently charged amount is not reconfirmed
Confirm with the agency before relying on it. When we close it, this page changes and the source is cited.
What this means in practice
Every state sets its own calendar, its own fee and its own filing route, and none of them warn you before a deadline passes. In California the reporting cycle is semiannual, so the work repeats twice a year for as long as you distribute there.
If you also sell in other states, none of those dates line up. That is the whole problem Fertilabel exists to solve: one calendar, one place, every form prefilled, every fee calculated, and the official source next to every rule so your own team can check it.
Questions
Do I need to register my fertilizer product in California?
How often is the California tonnage report due?
What happens if I file the California tonnage report late?
Does Fertilabel file this for me?
Know the day California changes a rule
One email when a fee, a date or a form on this page changes, with the official source. Nothing else: no newsletter, no sales sequence. And a seat on the early-access list for the calendar, prefilled forms and fee math.
You can also pick several states on the early-access form. Unsubscribe with one reply. Privacy.
Official sources
- https://www.cdfa.ca.gov/is/docs/fertilizing_materials_guide.pdf
- https://www.cdfa.ca.gov/is/docs/Fertilizer_Law_and_Regs.pdf
- https://apps1.cdfa.ca.gov/fertilizerproducts/
Rules for California last reviewed on 2026-09-04. Anything we could not read in an official source is marked “Not verified” above rather than filled in with a plausible value.