Vacant Lot Maintenance: Fontana vs Ontario
How do vacant lot maintenance rules compare between Fontana, CA and Ontario, CA?
Fontana has fewer restrictions than Ontario.
Fontana, CA
San Bernardino County
Owners of vacant parcels in Fontana must remove weeds, rubbish, and fire hazards each year. The city may declare uncleared lots a public nuisance and abate them at the owner's cost with a lien.
View full Fontana rules →Ontario, CA
San Bernardino County
Ontario requires owners of vacant lots to clear weeds, trash, and fire hazards annually under OMC Chapter 30 and Fire Code Chapter 49 to reduce wildfire and blight risks.
View full Ontario rules →Key Facts Comparison
| Fact | Fontana | Ontario |
|---|---|---|
| Annual weed abatement | Required | - |
| Defensible space | 30 feet around structures | - |
| Enforcement | Notice, abatement, lien | - |
| Vacant buildings | Must be secured | - |
| Code | - | OMC Ch 30; CFC Chapter 49 |
| Weed height limit | - | 6 inches |
| Notice period | - | 30 days to abate |
| Nonpayment | - | Lien via tax roll |
| Contact | - | Ontario Fire (909) 395-2029 |
Highlighted rows indicate differences between cities.
Fontana FAQ
Who enforces weed abatement?
Fontana Fire Department in coordination with Code Enforcement. Notices are typically mailed each spring with a compliance deadline.
What happens if I ignore the notice?
The city or its contractor can clear the lot and record a lien on your property for the cost plus administrative charges.
Ontario FAQ
When does Ontario do weed abatement?
Ontario Fire conducts annual inspections in spring, with notices typically mailed in March and April requiring clearing by May or June.
What happens if I do not clear my vacant lot?
The City hires a contractor to clear the lot and the cost, plus administrative fees, is placed as a lien on your property tax bill.
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