Dave's Tree Service — Ontario certified arborist

Certified arborist · St. Catharines, GTA & Niagara

The Tree Doctor — Ontario's trusted arborist for over 15 years.

Honest advice, skilled crews, and yards left spotless. From tricky backyard removals to full commercial contracts — done right, every time.

Get Your FREE Estimate416-580-3942
Certified arborist Clean WSIB record Fully insured 24/7 emergency: 647-531-6247 55+ five-star reviews Residential & commercial

Why Dave

Not just a tree service — a certified arborist you can trust.

Dave doesn't just show up with a chainsaw. He diagnoses your trees, explains what's going on, and gives you honest advice — whether that means removal or just a good pruning. Customers consistently say he does exactly what he says he'll do, on time and on budget, and leaves the place spotless.

Certified arborist

15 years of expert tree diagnosis & care

Clean WSIB record

Ontario Workplace Safety Board compliant — zero incidents

Fully insured

Your property is protected on every job

Dedicated crew

Professional team — same faces, every time

Services

Full tree care — residential and commercial.

Tree removal

Tree removal →

Safe takedown of any tree. Rigging in tight spots, full cleanup, logs stacked or chipped.

Tree pruning

Pruning & trimming →

Crown work, deadwood removal, and structural shaping done to ISA standards.

Stump grinding

Stump grinding →

Ground below grade, chips spread or removed — yard left level and tidy.

Emergency response

24/7 storm damage across GTA, St. Catharines & Niagara. Call 647-531-6247 any time.

DIY supply

Firewood, wood chips, and cut lumber for your projects — delivery or pick-up available.

Free estimates

Dave visits your property, walks through the scope, and gives you a written quote. No pressure.

On the job

Real work, real results.

Dave with his Stihl chainsaw on the job
View from the canopy during a pruning job
Dave cutting back overgrowth in a backyard
Planting fresh cedars along a side yard
Brush and tree cleanup in a residential yard
Dave high up on a removal job near a home

Meet the crew.

Same faces, every job. Professional, friendly, and proud of the work — that's why customers keep calling Dave back.

Storm damage? We answer 24/7.

Tree on your roof, branch on the fence, driveway blocked — this can't wait. Dave's crew serves the GTA, St. Catharines, and Niagara Falls around the clock.

Emergency line: 647-531-6247

Office: 416-580-3942

Real reviews from real customers

What Ontario homeowners say about working with Dave.

★★★★★

"Great experience with Dave and his crew. They worked efficiently and with care. Yard was cleaned up and all wood nicely stacked. Would highly recommend!"

Andy Dalrymple
HomeStars · Tree maintenance
★★★★★

"Dave and his crew were fantastic. Constantly cleaning and ensuring minimal disruption for neighbours. He also strengthened the fence and removed extra brush without being asked."

Verified homeowner
HomeStars · Tree removal
★★★★★

"Dave did exactly what he said he would do — on time, on budget, leaving no mess."

Verified homeowner
HomeStars · Tree removal
Read all reviews →Leave a Google review

Service area

Locally rooted in Niagara — serving across the GTA.

St. Catharines
Niagara Falls
Niagara Region
Greater Toronto Area
Hamilton & Burlington
Oakville & Mississauga

Ready for a free estimate?

Dave will come out, walk your property with you, and give you a clear written quote. No obligation, no surprises.

On-site visit Written quote Residential & commercial Zero pressure
Get Your FREE Estimate
Dave's Tree Service · The Tree Doctor · St. Catharines, ON · GTA · Niagara
Office: 416-580-3942 · Emergency 24/7: 647-531-6247 · daves.tree.service@outlook.com
@daves.tree.service · Yelp · Google Reviews · Partners: BT Roofing & SJ Carpentry Co.