Shasta County, CA Landscaping Rules: Tree Trimming (2026)
Key Facts
- Trim permit for private trees
- Not required by the County
- Approved fuel-reduction methods
- Mowing, cutting, grazing, trimming (8.10.050(A))
- Road/driveway clearance
- Up to 10 ft each side (8.10.040(C)(3))
- State canopy spacing rule
- PRC 4291 (30-100 ft zone)
- Neighbor overhang
- Trim to property line (CA common law)
Summary
Unincorporated Shasta County has no general permit requirement to trim or prune trees on private property. Trimming is most often driven by the County's defensible space ordinance (Chapter 8.10) and statewide PRC 4291 fire-clearance rules, which require limbing up trees and spacing canopies near structures and along roads.
On all parcels (except timber production parcels), a responsible party shall maintain defensible space of 100 feet from the exterior perimeter of any improvement on the responsible party's parcel. Where the distance from the improvement to the property line is less than the required defensible space, the responsible party shall only be required to provide the required defensible space up to the property line. A responsible party must maintain defensible space of up to 30 feet from the property line when the accumulation of fuel on the parcel endangers or encroaches on a defensible space of 100 feet from the exterior perimeter of any improvement on an adjacent property. Vegetation management and removal shall be conducted using mowing, cutting, grazing, or trimming methods that minimize surface disturbance, maintain root structure integrity, and prevent soil erosion. Tree stumps shall be cut no higher than eight (8) inches above ground level. On-site chipping of trees or vegetation is permitted provided materials are dispersed to a depth not exceeding six (6) inches. Any violation of the regulatory or prohibitory provisions of this chapter shall be a fire hazard and a public nuisance subject to enforcement under Chapter 1.12 (Enforcement) and Chapter 8.28 (Nuisances) of the Shasta County Code.
Full Breakdown
Shasta County does not have a county-wide tree-trimming permit for private property owners performing routine pruning. The main trimming obligations come from fire protection. 040(D)). Responsible parties must maintain defensible space of 100 feet around improvements, up to 30 feet along property lines, and up to 10 feet along each side of roads and driveways. Statewide PRC 4291 reinforces this by requiring limbing of trees and horizontal and vertical spacing between tree canopies and shrubs in the 30-to-100-foot zone, with wider spacing on steeper slopes.
Utility-related line clearance around power lines is handled by the utility under separate state rules. For trees overhanging a neighbor's property, California common law generally lets a neighbor trim branches back to the property line at their own expense without harming the tree's health, but that is civil law rather than a county ordinance.
Violations & Fines
Failure to maintain fire clearance through trimming is enforced as a defensible space violation (nuisance/fire hazard) under County Code Chapters 1.08, 1.12 and 8.28, with potential abatement and cost recovery. There is no separate penalty for routine pruning of one's own trees.
Frequently Asked Questions
Do I need a permit to prune trees on my Shasta County property?
Can I trim a neighbor's branches hanging over my yard?
Sources & Official References
Other rules in Shasta County
California rules heatmap·Compare Shasta County to another location·View the California landscaping rules overview
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