Disclaimer and Cost Sources
How we source figures and rules, and what they do and don't mean.
Independent referral website
Brentwood Tree Trimming is not a tree service company. We don't trim, remove or inspect trees. Requests are passed to independent companies who set their own prices and warranties. We may be compensated for referrals.
About our cost figures
Cost ranges on this site are national figures taken from the published guides listed below, last checked in October 2026. They are not quotes and not Brentwood-specific prices. Your contractor sets the final price after seeing the tree and the site.
About codes and rules
Where we mention permits, licensing, city tree rules, utility or wildlife rules, we link to the official or authoritative source. Rules change and local amendments exist; your contractor and your city have the final word.
Images
Illustrations on this site are diagrams for explanation only. They don't show work performed by us or any contractor.
Sources
- Angi — Tree Removal Cost (Jul 8, 2026)
- HomeGuide — Tree Removal Cost (Feb 4, 2026)
- CSLB — D-49 Tree Service classification (accessed Oct 2026)
- CSLB Industry Bulletin 24-07 (AB 2622) (Dec 31, 2024)
- CSLB — Homeowner Checklists (accessed Oct 2026)
- City of Brentwood Municipal Code, Chapter 7.03 Trees and Shrubs (accessed Oct 2026)
- City of Brentwood — Tree Information (page not readable by our tools; link only)
- City of Oakley — Urban Forestry / Tree Program (accessed Oct 2026)
- City of Antioch Municipal Code §9-5.1203 (tree removal permits, developed property) (accessed Oct 2026)
- City of Antioch — Tree Removal Permit Application (form dated Mar 7, 2024)
- PG&E — Fall Tree Trimming Safety Tips (2022)
- California Department of Fish and Wildlife — Nesting birds and tree work (accessed Oct 2026)
- UC IPM — Pruning and Thinning (accessed Oct 2026)