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Mature Redwood Roots Threatening Utilities and Foundations

Question: 40-yr redwood (70–90 ft) has gas/electric/phone lines under roots, foundations 10 ft away, concrete lifting. Where to start?

Answer

Needs on-site assessment. Contact state forestry agency (urban forester), city forester, or certified arborist (ISA directory). Complex root/utility/foundation conflicts require professional evaluation.

Trees: Managing Crabapple Root Sprouts (Suckers); Diagnosing a Struggling Maple: Split Bark, Black Marks & Fungi; Transplanting Crabapple Suckers: Root vs. Seedling Identification; Saving a Mature Spruce After Root Damage During Construction; Identifying a Tree with Pea-Pod Seedpods and Fan-Shaped Leaves; Redwood Roots and Pools: 30-40 Feet Is Safe; Root Barrier Fabric with Herbicide for Subdivision Trees; Dawn Redwood Decline from Nutsedge Competition: Mulch and Persistent Herbicide Strategy; Redwood Roots Lifting Pavers: Consult Certified Arborist; Controlling Crabapple Root Suckers with Sucker Stopper

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