Tree Removal & Heritage Trees: Costa Mesa vs Garden Grove
How do tree removal & heritage trees rules compare between Costa Mesa, CA and Garden Grove, CA?
Garden Grove has fewer restrictions than Costa Mesa.
Costa Mesa, CA
Orange County
OCCO Zoning Code Section 7-9-69 establishes the Protected Tree Ordinance for unincorporated Orange County. Protected trees with a diameter at breast height (DBH) of 5 inches or more cannot be removed without a Protected Tree Removal or Damage Permit. Replacement ratios of at least 5:1 apply.
View full Costa Mesa rules →Garden Grove, CA
Orange County
Garden Grove protects certain trees. Removing significant or heritage trees may require a permit. Replacement planting may be required.
View full Garden Grove rules →Key Facts Comparison
| Fact | Costa Mesa | Garden Grove |
|---|---|---|
| Code Section | OCCO §7-9-69 | - |
| DBH Threshold | 5 inches minimum | - |
| Replacement Ratio | 5:1 (same species) | - |
| Multi-Trunk Threshold | 23.6 inches combined | - |
| Permit Required | OC Development Services | - |
| Protected Trees | - | Significant and heritage specimens |
| Permit | - | May be required |
| Mitigation | - | Replacement planting or fees |
| Hazardous | - | Emergency removal with documentation |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
Can I remove a tree on my property in unincorporated Orange County?
If the tree is a Protected Tree species with a DBH of 5 inches or more, you must obtain a Protected Tree Removal Permit from OC Development Services. Unauthorized removal carries significant penalties.
What is the tree replacement requirement in Orange County?
Replacement trees must be indigenous protected tree species of the same genus, planted at a minimum ratio of 5 replacement trees for every 1 removed under OCCO Section 7-9-69.
Garden Grove FAQ
Do I need a permit to remove a tree?
Significant or heritage trees may require permits. Contact the Community Development Department.
What about hazardous trees?
Emergency removal is allowed but document the hazard and notify the city.
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