Weed Ordinances: Chino vs Ontario
How do weed ordinances rules compare between Chino, CA and Ontario, CA?
Chino and Ontario have similar restriction levels.
Chino, CA
San Bernardino County
Chino abates noxious and fire-prone weeds under Title 8 (Health and Safety) using the state weed-nuisance framework in Cal. Health & Safety Code section 14875 et seq. Vacant lots, unmaintained parcels, and pasture edges that accumulate dry grass, brush, or weeds with downy seeds receive notices to clear. Defensible-space rules in PRC section 4291 (100 feet of clearance) apply only in State Responsibility Areas or designated WUI portions adjacent to Chino Hills State Park; most of Chino is a Local Responsibility Area governed by city code.
View full Chino rules →Ontario, CA
San Bernardino County
Ontario runs an annual weed abatement program under California H and S 14875. Owners get spring notices to clear dry weeds, brush, and rubbish; the city abates and bills the owner if they do not.
View full Ontario rules →Key Facts Comparison
| Fact | Chino | Ontario |
|---|---|---|
| Local code title | Chino Municipal Code Title 8 (Health and Safety) | - |
| State authority | Cal. Health & Safety Code sections 14875-14922 | - |
| Notice period | Typically 10-30 days plus hearing right | Typically 15-30 days |
| WUI defensible space | PRC section 4291 (100 feet) where applicable | - |
| Cost recovery | Lien on property tax roll | - |
| State law | - | CA H and S 14875-14922 |
| Standard | - | Cut to 3-4 inches, haul debris |
| Non-compliance | - | City abates, bills owner |
| Hearing | - | City Council abatement board |
Highlighted rows indicate differences between cities.
Chino FAQ
What counts as a weed under Chino's ordinance?
Anything meeting the HSC 14875 definition: dry grass and brush creating fire hazard, plants with downy seeds, poison oak, and noxious weeds. Cultivated agricultural crops and pasture are not 'weeds' for nuisance purposes.
Do I need to clear 100 feet around my home in Chino?
Only if your parcel sits in a designated Wildland-Urban Interface area or State Responsibility Area; most of Chino is a Local Responsibility Area. Parcels adjacent to Chino Hills State Park may be subject to PRC 4291.
Ontario FAQ
How long do I have after a weed abatement notice?
Ontario typically gives 15 to 30 days to clear the property before sending a contractor. Exact deadlines are on the notice itself.
Can the city put a lien on my lot for abatement costs?
Yes. Unpaid abatement charges become a special assessment that is recorded as a lien on the county tax roll until paid.
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