In all cases, tree removal should be handled by reputable professionals only. We follow the standards set by the International Society of Arboriculture to ensure that each job runs safely and efficiently. AJ TreeServices has up-to-date equipment, experience, and the expertise to remove any tree in any situation. Tree removal is recommended only when the tree is dead or dying, hazardous, causing obstruction, when new construction is involved, or when a replacement of a more suitable specimen is needed. Certain areas of Austin require Tree Permits to remove a tree over 17 inches (approx. 4 ft up from the ground is where to measure) in diameter (measure the circumference then divide by pi). Rollingwood also restricts the trimming of oak trees to certain times of the year unless a tree is damaged or has caused damage.