Trees
Right tree, right place; shade, roots, protected-tree rules, permits, pruning, and when to hire an arborist.
Right tree for the right place
Match the mature size of the tree to the space — avoid planting large trees under power lines or too close to foundations, sidewalks, and driveways.
Shade and energy savings
A well-placed shade tree on the west or south side can reduce cooling costs. Deciduous trees give shade in summer and let sun through in winter.
Root and foundation conflicts
Tree roots seek water. Keep water-loving trees away from foundations, sewer lines, and pavement. Root barriers can help in tight spaces.
Protected and heritage tree rules
Many California cities protect certain species and trees above a size threshold; removal may require a permit and mitigation. Rules vary by city — check your local ordinance.
Permits for removal
Protected and heritage tree removal usually requires a permit. Removing a protected tree without one can bring fines. Verify with your city before cutting.
Proper pruning vs. topping
Topping (cutting main branches to stubs) harms trees and is not recommended. Proper pruning follows natural branch structure and is best done by a certified arborist.
When to hire a certified arborist and a D-49 contractor
- Large or protected tree removal
- Trees near structures or power lines
- Health assessment and proper pruning
- Stump grinding and haul-away
Tree trimming near power lines
Never DIY tree work near power lines. Only qualified utility-line clearance workers or specially trained arborists may work within the required clearance. Contact your utility for coordination.
Fire-safe spacing
In fire-prone areas, maintain spacing between tree canopies and remove low limbs to reduce fuel ladders. See the Fire-Safe page for defensible-space zones.
Tree rules vary by city and change over time. Verify with your local planning or public works department.
Homeowner Checklist
- Check protected/heritage tree status before removing
- Hire a certified arborist for large or risky work
- Use a D-49 contractor for removal
- Never work near power lines yourself
- Plant the right tree for the space
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