Certified arborist working on a mature tree in the Portland metro area

Honest Tree Care From Certified Arborists.

Our ISA Certified Arborists assess before they act, prescribe only what's needed, and tell you the truth about your trees. We provide the Portland metro area and surrounding communities with preservation-first tree care.

What Sets Arbor Ascent Apart:

Our Credentials

Arbor Ascent is led by an ISA Board Certified Master Arborist, and each of our team members holds an industry credential of their own. Our credentials are a professional standard we're accountable to every time we set foot on your property.

Our Approach

Many tree problems have more options than removal — options most tree companies never bring up. If a tree can be saved, we know how to do it.

Our Process

We diagnose before we prescribe. Whether that's soil samples, tissue analysis, advanced decay detection, site and species assessments, we use whatever it takes to understand what's actually going on with your tree. How else would we make a recommendation you can trust?

Our Culture

Each person on our team is an arborist dedicated to their craft. Our company attracts people who take this field seriously and push each other to keep growing. That culture translates into better tree care.

Regional Tree Health Advisory

Emerald Ash Borer Has Been Confirmed in Oregon

Emerald ash borer (EAB) has been detected in Oregon and is expected to continue spreading throughout the Portland metro area. Left untreated, EAB kills essentially every ash tree it reaches. Trunk injection treatments are highly effective when started before symptoms appear — protecting your ash trees now is the best path to preserving them long-term.

Learn about management options

Recent Work in the Portland Metro Area

View Portfolio
Tree pruning and crown maintenance in Portland, Oregon

Crown Pruning — Portland

Technical tree removal in Clackamas County

Hazardous Removal — Oregon City

Plant health care assessment in Lake Oswego

Plant Health Care — Lake Oswego

What Our Clients Say

Real feedback from homeowners and professionals throughout the Portland metro area.

I've had several wonderful experiences with Arbor Ascent! From emergency storm pruning, to preventative and maintenance health on all kinds of trees (large Oregon White Oak, 100 year old Tulip Poplar, mature rhododendrons, mature fig tree). They've expertly handled each tree with the attention and care it deserves. And Jackson always goes above and beyond answering all my questions & concerns. Arbor Ascent is my go-to tree climbing arborist.

Kylie S.

Milwaukie, OR

Courteous crew whose first action was to talk about what I wanted accomplished. They wanted my input and then made recommendations then proceeded to do the job. Trimmed an overgrown pin oak tree which is a very hard wood and very prickly to climb around in but they did the job accurately and the tree looks great. Cleaned up the site spectacularly well with no little twigs and sticks left laying around. I appreciate their good attitudes and the fine job they did.

Dave C.

West Linn, OR

Google Review
Jackson has pruned our trees and removed a tree for us. We chose him because he is a certified arborist and gives advice and options for what to do with our trees. His prices are fair and he does a great job and leaves the yard clean. I appreciate that he uses electric chainsaws, you can hardly hear him working from inside the house.

Jim B.

Tualatin, OR

Google Review

Ready to talk about your trees?

Whether you need a consultation, a second opinion, or a plan of action, we're here to help.