Overgrown trees and shrubs cause storm damage, block sightlines, and hide code violations. Here's how Chicago property owners handle summer trimming the right way - including the parkway tree rules most landlords get wrong.
By mid-July, the trees and shrubs around your building have put on a full season of growth, and Chicago's warm, humid summers push that growth harder than most owners expect. Branches that cleared the roofline in May are now scraping gutters, brushing power lines, and blocking security lighting. Summer is when the problems become visible, and it's a practical window to act: the canopy is fully leafed out so you can see exactly what needs shaping, and most species tolerate light trimming without stress. For owners of two-flats and greystones in Lincoln Park and Logan Square, mature trees are part of the property's appeal, but they turn into liabilities fast when ignored. A single overgrown silver maple can drop a limb on a parked car, tear a downspout off the wall, or block the view a tenant needs to feel safe walking to the back stairs at night. Getting ahead of it in summer means fewer emergency calls when the first big storm rolls through in August.
This is the rule most Chicago landlords get wrong. The trees planted in the parkway - that strip of grass between the sidewalk and the street - are owned by the City of Chicago, not by you, even though they sit in front of your building. You cannot legally trim, top, or remove a parkway tree yourself, and hiring a private crew to do it can bring a fine and a bill for the tree's replacement value. If a parkway tree in Rogers Park or Ravenswood has dead limbs, is blocking a stop sign, or looks storm-damaged, the correct move is to file a request through the City's 311 system and let the Bureau of Forestry handle it. What you can and should manage is everything on your own property line: the trees in the yard, the shrubs against the foundation, and any branches from your trees that overhang a neighbor's lot. Knowing where the property line falls before a crew starts cutting saves you from an expensive mistake.
Branches that touch or overhang your building do real damage over time. Limbs rubbing against shingles wear through the surface and open the roof to leaks. Foliage pressed against brick and wood siding traps moisture, which accelerates rot on the frame two-flats common in Avondale and speeds mortar deterioration on greystones. Overhanging limbs also become highways for squirrels and raccoons looking for a way into the attic. The standard target is to keep all growth at least six to ten feet away from the roof and walls. That clearance lets the building dry out after rain, keeps critters from jumping onto the roof, and stops branches from acting as battering rams in high wind. Pay special attention to anything hanging over a flat roof or a rear porch, since a broken limb landing there can crack a membrane or damage the wood back stairs that so many Chicago buildings depend on for a second exit.
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