Grass Height Limits: Rohnert Park vs Santa Rosa
How do grass height limits rules compare between Rohnert Park, CA and Santa Rosa, CA?
Santa Rosa has fewer restrictions than Rohnert Park.
Rohnert Park, CA
Sonoma County
Sonoma County Code Chapter 13A requires grass on improved and unimproved parcels in unincorporated areas to be cut to 6 inches or less, with a stricter 4-inch limit within 10 feet of neighboring structures and along roadway frontage.
View full Rohnert Park rules →Santa Rosa, CA
Sonoma County
Santa Rosa requires property owners to maintain vegetation and prevent overgrown conditions. Grass and weeds exceeding 12 inches are considered a nuisance subject to abatement.
View full Santa Rosa rules →Key Facts Comparison
| Fact | Rohnert Park | Santa Rosa |
|---|---|---|
| Code Chapter | Sonoma County Code Ch. 13A (Ord. 6148) | - |
| Zone 1 Grass Limit | 6 inches or less | - |
| Roadway/Adjacent Structures Limit | Less than 4 inches | - |
| Tree Limb-Up | 6 feet from ground | - |
| First-Failure Cure Period | 30 calendar days | - |
| Maximum Height | - | 12 inches before citation |
| Fire Season | - | Stricter vegetation clearance |
| Enforcement | - | Code Enforcement Division |
| Abatement | - | City may clear and bill owner |
Highlighted rows indicate differences between cities.
Rohnert Park FAQ
How short does my grass need to be in unincorporated Sonoma County?
Grass within 30 feet of structures must be cut to 6 inches or less. Along roadway frontage and within 10 feet of a neighbor's structure, it must be less than 4 inches.
Can I just scalp the lawn to bare soil?
No. Chapter 13A requires cutting but expressly prohibits cutting to bare soil because of erosion risk.
Who enforces this?
Permit Sonoma's Fire Prevention and Hazardous Materials Division and partnering local fire districts inspect properties under Chapter 13A.
Santa Rosa FAQ
How tall can grass grow before it's a violation in Santa Rosa?
Grass and weeds over 12 inches are considered a nuisance. During fire season, vegetation management near structures is especially enforced.
What happens if I don't mow my lawn?
Code Enforcement will issue a notice to abate. If you fail to comply, the city may clear the vegetation and charge you for the cost.
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