Tree133 specializes in tree preservation and risk management. Our professional arborists utilize modern arboriculture practices for assessment and care of large trees in and around Seattle, WA. The Tree133 team is passionate about providing sound advice and professional service. Craig Bachmann - lead arborist and company founder - is an ISA Certified Arborist & Tree Risk Assessor, conference speaker and professional arborist skills trainer.

From the beginning, Tree133 has aspired to empower people with sound advice and education, and help property owners/managers to preserve trees in our shared urban forests. Our tree care professionals are committed to safe work practices in arboriculture and strive to follow ANSI Z133-2017 safety standards on every project. These standards provided the inspiration for our name, Tree133. Tree133 is fully licensed, bonded and insured to provide tree care and consulting services in Washington State.

What's new?

Sometimes an aerial lift is the only solution. Performing canopy restoration (and street clearance) or two previously topped maples in Seattle. The lift enabled us to make the vast majority of pruning cuts with a handsaw. I’m still shocked by the extensive topping that has occurred throughout...

Posted on Feb 04, 2021  •  Facebook

I'm often asked about training resources for skills in arboriculture. Today, I learned about a cool new web resource with some awesome video training segments. Haven't yet been able to explore it all myself. Check it out. Let me know what you see. Hope it's helpful to you.

Posted on Feb 01, 2021  •  Facebook

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