Tree Ordinances: Chicago vs Oak Lawn
How do tree ordinances rules compare between Chicago, IL and Oak Lawn, IL?
Chicago and Oak Lawn have similar restriction levels.
Chicago, IL
Cook County
The City of Chicago protects trees through the Chicago Municipal Code and the Bureau of Forestry within the Department of Streets and Sanitation. Parkway trees (street trees in the public right-of-way) are city property and cannot be removed, pruned, or damaged without authorization. Private property trees over 10 inches in diameter require a tree removal permit when removal is associated with development. The city's urban canopy goal aims to increase tree coverage to 20% or more.
View full Chicago rules →Oak Lawn, IL
Cook County
Oak Lawn's tree regulations focus on parkway trees, dangerous-tree abatement, and contractor licensing. Private-property tree removal is largely unregulated absent a development condition.
View full Oak Lawn rules →Key Facts Comparison
| Fact | Chicago | Oak Lawn |
|---|---|---|
| Parkway Trees | City property; unauthorized removal or damage prohibited | - |
| Private Tree Permit | Required for trees over 10 inches DBH with development projects | - |
| Urban Canopy Goal | Increase coverage to 20%+; currently approximately 17% | - |
| Fines | $500 to $5,000 per tree for unauthorized parkway tree work | - |
| Management | Bureau of Forestry, Department of Streets and Sanitation | - |
| Mitigation | Replacement planting or tree fund payment | - |
| Parkway Regulation | - | Public Works |
| Dangerous-Tree Abatement | - | Owner responsibility |
| Contractor License | - | Required |
| Tree City USA | - | Yes |
Highlighted rows indicate differences between cities.
Chicago FAQ
Can I remove a parkway tree in front of my house in Chicago?
No, parkway trees are city property and cannot be removed without authorization from the Bureau of Forestry. If you have concerns about a parkway tree, contact 311 to request an assessment.
Do I need a permit to remove a tree on my private property in Chicago?
A permit is required for trees over 10 inches in diameter when removal is associated with a building permit or development project. For trees not connected to development, check current city requirements.
How do I request a new tree to be planted on my parkway?
You can request a new parkway tree through 311 or the Chicago Bureau of Forestry. The city plants trees at no charge to property owners, subject to available funding and appropriate planting conditions.
Oak Lawn FAQ
Can the Village order me to trim my tree?
Yes. If your tree overhangs the sidewalk below required clearance, blocks intersection visibility, or poses a hazard, the Village can issue a trim or removal order.
Do I need to hire a licensed tree contractor?
Contractors performing tree work in Oak Lawn must hold a Village license and insurance. Verify licensing before hiring.
Is Oak Lawn a Tree City?
Yes, Oak Lawn has long participated in the Arbor Day Foundation's Tree City USA program, reflecting its parkway forestry program and Arbor Day observances.
Compare other topics
See how Chicago and Oak Lawn compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool