Downey, CA Landscaping Rules: Tree Trimming (2026)
Key Facts
- Street Trees
- City-managed per UFMP
- Private Trees
- Owner responsibility
- Authorization
- Required for parkway trees
- Master Plan
- Street Tree Master Plan (STMP)
Summary
Downey's Urban Forest Management Plan governs street and median tree maintenance. The Director oversees all parkway tree planting, pruning, and removal. Property owners may not trim or remove street trees without authorization.
4291. (a) A person who owns, leases, controls, operates, or maintains a building or structure in the state responsibility area shall at all times do all of the following: (1) (A) Maintain defensible space of 100 feet from each side and from the front and rear of the structure, but not beyond the property line, except as provided in subparagraph (B). The amount of fuel modification necessary shall consider the flammability of the structure as affected by building material, building standards, location, and type of vegetation. Fuels shall be maintained and spaced in a condition so that a wildfire would be unlikely to ignite the structure. This subparagraph does not apply to single specimens of
Full Breakdown
The Trees, Parks, and Grounds Maintenance Division within the Public Works Department oversees city tree maintenance and park landscaping. Private property owners are responsible for maintaining trees on their own lots. Downey's drought-tolerant landscape program encourages replacement of turf with water-efficient plants. New landscaping must incorporate drought-tolerant plants, ground covers, shrubs, and trees to the maximum extent possible. Fast-growing broad-head trees (24-inch box or greater) are preferred for shading.
Violations & Fines
Tree maintenance affecting public right-of-way requires coordination with Public Works. Overgrown trees causing safety hazards are subject to code enforcement.
Frequently Asked Questions
Can I trim tree branches that hang over my property in Downey?
Do I need a permit to trim trees in Downey?
Sources & Official References
Other rules in Downey
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How other cities in Los Angeles County handle tree trimming.