Heritage & Protected Trees: Chicago vs Oak Park
How do heritage & protected trees rules compare between Chicago, IL and Oak Park, IL?
Chicago has fewer restrictions than Oak Park.
Chicago, IL
Cook County
Chicago does not have a formal heritage tree or landmark tree ordinance. However, parkway trees of significant size or age receive practical protection through the Bureau of Forestry's management under MCC 10-32, and notable trees are documented in the city's tree inventory.
View full Chicago rules →Oak Park, IL
Cook County
Cook County Chapter 126 protects significant trees on unimproved and partially improved land. Deciduous trees over 6 inches in diameter and evergreens over 10 feet tall are protected. Heavy fines apply for unauthorized removal.
View full Oak Park rules →Key Facts Comparison
| Fact | Chicago | Oak Park |
|---|---|---|
| Heritage Ordinance | None - no formal designation | - |
| Parkway Trees | All protected under MCC 10-32 | - |
| Valuation | MCC 10-32-200 (larger trees = higher value) | - |
| Private Property | No heritage tree protections | - |
| City Inventory | Bureau of Forestry maintains tree records | - |
| Protected Deciduous | - | 6+ in. diameter |
| Protected Evergreen | - | 10+ ft tall |
| Code | - | Chapter 126 |
| Penalty | - | Heavy fines + replacement |
Highlighted rows indicate differences between cities.
Chicago FAQ
Does Chicago protect heritage or landmark trees?
Chicago does not have a formal heritage tree ordinance. All parkway trees are protected under MCC 10-32 regardless of age or size, with penalties based on appraised value (larger trees cost more to replace).
Can I remove a large old tree on my private property in Chicago?
Yes. Chicago does not restrict removal of trees on private residential property, even large or historic specimens. Only parkway trees are protected by city ordinance.
Oak Park FAQ
What trees are protected in Cook County?
On unimproved/partially improved land: deciduous trees over 6 inches in diameter and evergreens over 10 feet tall are protected under Chapter 126.
What happens if I remove a protected tree without permission?
Heavy fines are imposed and replacement tree planting may be required. Each tree removed without a permit may be a separate violation.
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