Tree removal permit rules in San Mateo County, CA — sometimes called heritage tree, protected tree, or street tree ordinances — list which trees require a permit before you can cut them down.
Private tree removal in unincorporated San Mateo County generally does not require a county permit. However, trees in sensitive areas (oak woodlands, wetland buffers, coastal zones) may require environmental review.
San Mateo County does not require a general permit for removing private trees on private property in most unincorporated areas. However, trees in environmentally sensitive habitats — including oak woodlands, riparian corridors, wetland buffers, and coastal zones — may require environmental review and permits from the county or Coastal Commission. Trees on slopes subject to erosion may also require grading permits. Contact County Planning at (650) 363-4161 before removing significant trees.
Unauthorized removal: $500 to $10,000 per tree. Replacement planting required. Street tree damage: city restitution costs.
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See how San Mateo County's tree removal & heritage trees rules stack up against other locations.
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