Professional tree services for municipalities, contractors, and commercial properties.
From hazardous tree assessments to large-scale lot clearing, we handle complex projects with Certified Arborists, licensed operators, and full municipal compliance.
Tree Services Built for Enterprise Operations
From hazard removal to lot clearing, O'Brien Tree Service delivers commercial-grade arboricultural expertise with crane operations, safety compliance, and municipal project experience.
Tree Removal
Professional removal of hazardous, dead, or unwanted trees with full site cleanup and debris management.
Hazardous Tree Assessment
Certified evaluation of structural integrity, disease, and storm risk for liability and safety compliance.
Crane-Assisted Operations
Licensed operators managing complex removals in congested spaces, near buildings, power lines, or sensitive areas.
Stump Grinding & Lot Clearing
Complete removal of stumps and root systems with full site preparation for development or landscaping.
Emergency Storm Response
24-hour availability for fallen trees, damaged branches, and weather-related hazard mitigation across properties.
Exterminator & Vegetation Management
Licensed forestry extermination and industrial vegetation control for municipal and government contracts.
Safety, liability protection, and maintained property value
Professional tree management reduces hazard liability, prevents damage to buildings and infrastructure, and keeps commercial properties looking maintained and investment-ready. We handle the compliance so you don't have to.
Trusted by municipalities across Eastern Ontario
O'Brien Tree Service handles complex municipal projects, from hazardous tree assessments to lot clearing and emergency storm response. Proven reliability with government contracts.
Trusted by Commercial and Municipal Leaders
See why facilities managers, municipal planners, and property developers choose O'Brien Tree Service for critical tree work.
O'Brien Tree Service handled our downtown lot clearing ahead of schedule and under budget. Their crew was professional, safety-conscious, and left the site spotless. We'll be calling them for our next project.
James Patterson
Facilities Manager, Municipal Operations
We needed hazardous tree assessments across our commercial property before renovation. O'Brien's ISA Certified Arborists provided detailed reports and competitive removal quotes. Excellent technical knowledge.
Susan McLaughlin
Property Manager, Commercial Real Estate Development
After the ice storm, O'Brien responded quickly with emergency removal and cleanup. Their crane operators are licensed and careful. We've used them three times now for storm damage and regular maintenance.
David Chen
Operations Director, Regional School Board
For our municipal park renovation, O'Brien managed tree removal and site preparation flawlessly. They coordinated with our contractors, met all timelines, and their safety record is impeccable.
Maria Rodriguez
Parks and Recreation Superintendent
We bring O'Brien in for all our industrial vegetation management work. They're licensed, insured, and understand the compliance requirements for our operations. Reliable and thorough every time.
Robert Thompson
Site Manager, Industrial Manufacturing Facility
The crew arrived on time, communicated clearly throughout the job, and their arborists explained every decision. Professional from start to finish. That's why we trust them with our municipal contracts.
Angela Watts
Senior Procurement Officer, Municipality of Belleville
60 years of proven commercial and municipal expertise
O'Brien Tree Service has delivered large-scale tree removal, hazardous assessments, and emergency response across commercial properties and government contracts throughout the Quinte region.
60+
Years of service
Family-owned expertise serving commercial and municipal clients since 1966.
500+
Commercial projects completed
Large-scale removals, lot clearing, and emergency storm response across the region.
15K+
Trees professionally removed
Safe, efficient removal for commercial properties, municipalities, and development sites.
100%
Licensed and insured
ISA Certified Arborists, licensed crane operators, and full WSIB compliance for every project.
Ready to move forward? Let's discuss your project.
Contact O'Brien Tree Service today for a free estimate on commercial and municipal tree work.