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The trees that make Commonwealth worth living on are also the most active thing happening to its soil — a mature oak can pull hundreds of gallons a week out of the clay beside a slab.
A large tree is a moisture pump running all summer, and its roots reach roughly as far sideways as the canopy does overhead — which on these streets routinely puts them under the edge of a slab. The effect is local rather than general: the clay directly beside the tree dries and shrinks while the rest of the lot stays stable, so the house settles on one corner even where drainage and grading are correct everywhere. It is one of the few causes around here that a survey can often tie to something you can point at from the driveway, and it is also why removing the tree is rarely the straightforward fix people expect — clay that has been kept dry for years re-swells once the pump stops.
Piering and evaluation for foundation movement linked to nearby mature trees.
Addressing dry pockets near large trees separately from the rest of the lot's grading.
Common where root-driven soil moisture changes create uneven settlement.
For driveways and walkways affected by nearby root systems.
Sugar Land