Lot clearing — for a build, an addition, a garden, or just to reclaim a yard taken over by buckthorn — looks simpler than it is. Permits, debris hauling, and protected trees all get involved. This guide walks through what actually happens, in what order, so you can plan it instead of being surprised by it.
Most lots in DuPage, Kane, Will, and McHenry counties have a few common ingredients: mature oaks or maples worth keeping, invasive European buckthorn worth removing, and a village ordinance worth reading before you start.
Lot clearing is the broad term for removing trees, brush, stumps, and undergrowth from a parcel of land. It can be a partial clearing (keep the big oaks, remove the brush) or a full clearing (down to bare ground for construction).
Selective clearing is more common in residential settings. Full clearing is more common when a builder is involved.
Either way, the work is part chainsaw, part chipper, part hauling, and part decision-making about which trees stay.
A typical lot clearing job moves through these stages, in roughly this order:

European buckthorn is the most common invasive species we deal with in the Chicago suburbs. It forms dense, thorny thickets that block light from native trees, crowd out wildflowers, and get harder to remove the longer they sit.
Clearing buckthorn properly means cutting it low and treating the cut stump promptly so it does not resprout. If you only cut the tops, you will have it back, denser, within two seasons.
For most yards taken over by buckthorn, one thorough clearing followed by a second pass the following year is enough to break the cycle.
Local rules vary, but a few patterns hold across the western suburbs:
Cleared material breaks down into a few categories:

Disposal is usually included in the quote. If a contractor charges separately for hauling, ask why before you sign.
It varies a lot by lot size, density, and how many large trees are involved. A small back-corner buckthorn clear may cost a few hundred; a half-acre full clear with several mature trees can run into the thousands. Always get an on-site estimate.
For trees on private property, often no — but parkway trees, protected species, and any work tied to construction usually require one. Always confirm with your village before starting.
A small residential clear is often a single-day job. A larger, denser, or more permit-heavy lot can stretch over several days, sometimes split between an active phase and a cleanup phase.
Late fall through early spring is ideal — frozen or firm ground holds equipment better, less mess to your turf, and dormant trees are easier to fell cleanly. Summer clearing is doable but harder on the lawn.
If you are weighing a clearing project, JDS Tree Service has cleared lots of every size across the western Chicago suburbs for over 14 years and is fully licensed and insured.