Placer County, CA Landscaping Rules: Tree Trimming (2026)
Key Facts
- Permit for routine pruning
- Generally not required
- Fire limbing height
- 6 feet from ground
- Protected native tree threshold
- 6 in DBH (10 in aggregate multi-trunk)
- Tree Preservation Ordinance
- County Code Section 19.50
- Material damage = removal
- Yes, triggers tree permit
- State backstop
- PRC 4291 defensible space
Summary
Routine trimming of your own trees in unincorporated Placer County generally needs no permit, but fire defensible space rules require limbing trees up six feet from the ground, and trimming that materially damages a protected native tree can trigger the Tree Preservation Ordinance.
Tree branches need to be limbed up six feet from the ground... Remove all portions of trees within ten feet (10') of chimney and/or stovepipe outlets. Maintain trees adjacent to or overhanging a structure free of dead/dying wood... All trees within ten feet (10') of roadway frontage must be pruned to at least six feet above grade.
Full Breakdown
Light, healthy pruning of trees on your own property in unincorporated Placer County usually does not require a permit. Two county frameworks shape how you trim. 32, Part 4) calls for tree branches to be limbed up six feet from the ground within the defensible space area to reduce ladder-fuel that lets ground fire climb into the canopy. 50) protects most native trees that are six inches diameter at breast height (DBH) or greater, and multi-trunk natives with an aggregate of ten inches DBH or greater.
Trimming that goes far enough to materially damage or effectively kill a protected tree is treated the same as removal and requires a tree permit. So ordinary crown cleaning and fire limbing are fine, but heavy topping, over-pruning, or root cutting near a protected oak can cross the line. For street trees and trees in the public right-of-way, contact the county before cutting. State law (PRC 4291) independently requires defensible space limbing around structures regardless of county rules.
Violations & Fines
Pruning that materially damages or kills a protected native tree without a permit can be enforced under the Tree Preservation Ordinance, with possible mitigation/replacement requirements and penalties; failing to limb within defensible space can trigger hazardous-vegetation abatement.
Frequently Asked Questions
Do I need a permit to trim my own tree in Placer County?
How high should I limb trees for fire safety?
Sources & Official References
Other rules in Placer County
California rules heatmap·Compare Placer County to another location·View the California landscaping rules overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.