I have a healthy, large, 25-year-old, 20+-foot Schefflera pueckleri outside my Los Angeles apartment window that provides good (and necessary) shade and requires little maintenance. My landlady has decided that the tree is too big and too close to the building and is sure it will damage the foundation of the building. She wants to cut it down even though there is no evidence of any damage to the building or nearby sidewalk. Several tenants and I are campaigning to save the tree.
Are Schefflera pueckleri known to buckle sidewalks and foundations? Is there any danger maintaining one very close (one foot) to a building? Any recommendations to help me fight this fight?