Construction Guide · Charleston Metro, SC

Charleston County's Tree Protection Ordinance: Grand Trees and Mitigation Requirements

Tree protection in Charleston County isn't a footnote on a site plan; it's a scheduling variable. The county's Zoning and Land Development Regulations set specific rules for grand and protected trees, and misreading them can stall a permit for months.

What Qualifies as a Grand Tree

Charleston County's ZLDR, administered by the Zoning and Planning Department, generally defines a Grand Tree as one measuring 24 inches or greater in diameter at breast height, with pine and sweetgum typically excluded. A lower threshold, commonly around 8 inches DBH, also captures a broader class of protected trees. Walk the parcel with an arborist early; misclassification often causes delay.

Removal, Permits, and Mitigation

Removing a grand tree requires a permit, typically granted only where a tree is hazardous, diseased, dying, damaging a structure, or otherwise cannot reasonably be preserved. Where approved, expect on-site replanting and possibly a caliper-inch contribution, but treat online dollar figures cautiously; verified schedules describe the City of Charleston's program, not the county's. Confirm current terms with county Zoning and Planning first.

A Jurisdictional Patchwork Still Evolving

County Council amended the ZLDR's tree provisions in late 2023, and in February 2024 shifted review of certain Public Works projects toward Council-level hearings; that change concerns county infrastructure, not private development. James Island has weighed a lower grand-tree threshold, and barrier rules can differ by municipality within the county. Verify which jurisdiction governs your parcel before finalizing a plan.

Wondering how a grand tree on your parcel might affect your timeline? Contact Chris Eller directly.