O'Brien Tree Service arborist conducting professional tree assessment
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Ready to schedule your tree service? Contact O'Brien Tree Service today.

Reach out for a free estimate on tree removal, pruning, stump grinding, or any arborist service in Belleville and the Quinte region.

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Request a free estimate or ask us anything

Fill out the form below and we'll respond within one business day. Or call us directly for faster service.

office@obrientreeservice.ca
613-962-4230
Belleville, Ontario
Get in touch

Reach O'Brien Tree Service in Belleville & the Quinte Region

Call 613-962-4230 or email office@obrientreeservice.ca to request a free estimate. We respond to inquiries during business hours and serve Belleville, Kingston, Hastings County, and surrounding areas.

Customer Reviews

Trusted by Residential and Commercial Clients

See why property owners and municipalities across the Quinte region depend on O'Brien Tree Service for safe, professional arborist work.

O'Brien removed a hazardous oak that was threatening our home. Their crew was professional, safe, and cleaned up completely. The ISA Certified Arborist explained everything before work started.

James Mitchell, homeowner

James Mitchell

Homeowner, Belleville

We hired O'Brien for commercial lot clearing on a tight timeline. Their team coordinated perfectly, used proper equipment, and delivered on schedule. WSIB compliant and fully insured, which our insurance company appreciated.

Patricia González, property manager

Patricia González

Property Manager, Kingston

After the storm, O'Brien responded quickly to our emergency call. Their crew assessed the damage professionally and removed the fallen trees safely. They're licensed, experienced, and know exactly what they're doing.

David Chen, business owner

David Chen

Business Owner, Quinte West

O'Brien handled our municipal contract for hazardous tree removal on city property. Their ISA Certified Arborists and licensed operators ensured full compliance. Professional from start to finish.

Robert Taylor, municipal supervisor

Robert Taylor

Municipal Supervisor, Hastings County

They pruned our commercial property's trees to our exact specifications. The arborist explained the work clearly, stayed on budget, and left the site spotless. Licensed and insured, which gave us peace of mind.

Susan Martinez, facilities director

Susan Martinez

Facilities Director, Commercial Complex

Stump grinding and site cleanup after removal was handled efficiently. The crew knew their equipment inside and out. Great communication throughout the project. Highly experienced and worth every penny.

Mark Richardson, residential client

Mark Richardson

Residential Client, Prince Edward County

Proven Results

60+ Years of Professional Tree Care Excellence

O'Brien Tree Service has earned trust across the Quinte region through consistent delivery, safety-first operations, and expert arborist credentials on every project.

60+

Years serving the region

Six decades of family-owned expertise in residential, commercial, and municipal tree care.

100%

Licensed and insured

Fully insured with WSIB compliance. ISA Certified Arborists and licensed crane operators on every job.

3

Professional associations

Active members of Quinte West Chamber of Commerce, Quinte and Kingston Construction Associations.

24hr

Emergency response

Storm damage and hazardous tree calls handled with priority scheduling to protect your property.

Let's protect and improve your trees.

Contact O'Brien Tree Service today for a free estimate. We respond promptly and provide clear pricing before any work begins.