Hillsboro's expert arborists. Serving Washington County.

From removals to structural pruning to storm cleanup after the next winter windstorm, we help Hillsboro property owners look after Douglas firs, bigleaf maples, and yard trees through the wet season. Expert arborists, on call around the clock.

Get An Estimate (844) 835-8733

Why Hillsboro

Why Hillsboro trees need a real arborist.

The Certified Arborist Tree Service brings expert arborists, consistent standards, and the insurance that matters to your property in Hillsboro and across Washington County, whether it is a single removal or a multi tree storm cleanup.

Across the Pacific Northwest, soil is often deep but saturated all winter and acidic year round. That combination loosens the hold of roots, and root rot spreading between conifers is why many of the region's native conifers can be standing on compromised roots.

Knowing which species carry that risk quietly for years, and reading how a wet winter windstorm turns a slow root failure into a sudden one, is the difference between a tree that gets managed on schedule and one that comes down on a garage.

Schedule a site walk in Hillsboro Call (844) 835-8733

Why Hillsboro trees fail

The risks we watch in Hillsboro right now.

When a tree fails on a Hillsboro property, the cause is often one of these four, and an arborist can check for them on a site visit.

Laminated Root Rot

A serious threat to Douglas fir and other conifers across the region; it spreads root to root underground and often gives no warning before a tree goes over in wet ground.

Swiss Needle Cast

A fungal disease that thins and yellows Douglas fir needles in humid maritime springs, cutting the tree's energy reserves and its ability to recover from any other stress.

Bronze Birch Borer

Stressed European birch, a common yard tree across the region, are especially vulnerable once summer drought or root damage lets this borer take hold in the trunk.

Winter Windthrow

Saturated winter soil loosens root plates just as wind events pick up, so the tallest conifers on a lot are often the first to lean or fall after a wet storm.

Service area

Our Hillsboro service area.

Serving Hillsboro, Washington County, and the western Portland metro.

Areas we cover

Click an area to learn more about it.

Free estimate

Tree care in Hillsboro, one form away.

Tell us what is going on with your trees. An arborist serving Hillsboro calls you back, walks the property, and puts the price in writing before anything is scheduled.

Prefer to talk? (844) 835-8733

What people are saying

Rated 4.9 stars across 140+ reviews.

Real reviews from real customers, straight from our Google Business Profile. Here's what people say once the crew has packed up and the yard is clean.

★★★★★

March 11th, a brief but strong storm came through Goodlettsville and blew over two giant trees in my front yard; one which was being supported by a 3rd tree that was facing and threatening my house. It was an…

Julie Bangs●3 days ago

★★★★★

From the time I inquired w this company about removing a tree that was strongly impacted from the major strong 80 mph winds on March 3, 2023, they provided us w exceptional service in every way . They were…

Jeanne Mason●3 weeks ago

★★★★★

My family had a tree removal emergency! A large tree in our back yard was on fire and splitting down the middle. The fire department came out the night before to extinguish the fire, but when I woke up the…

Mysty Diehl●6 weeks ago

Read all 140+ reviews on Google

What we do

A geotagged inventory of every tree on the property: species, age, condition, and recommended work, refreshed annually.

Learn more →

Trees we know

The Hillsboro species list, and what to watch for.

Local soil, local weather, local pests. Each species here fails in its own way, and we plan around all of them.

Red Maple

A common street and yard tree in the region; it tolerates wet winters well but needs structural pruning early to avoid included bark and weak unions later.

Flowering Cherry

Popular for its spring bloom, but its shallow roots and thin bark make it prone to decay entry after storm damage or careless mower and trimmer wounds.

European Birch

Common in the region's landscapes but struggles with dry summers, and that stress is what opens the door for bronze birch borer.

Sweetgum

Handles wet winters fine, though its aggressive surface roots often need managing near sidewalks and foundations.

Littleleaf Linden

A dependable shade tree here, but dense canopy can hold winter ice and wet snow longer than more open growing species, adding load in a storm.

Douglas Fir

A major native conifer across the region and a species worth watching closely for laminated root rot before a winter windstorm finds the weak root plate.

Local expertise

Why an Expert Arborist Matters in Hillsboro

Western Oregon grows tall conifers, and wet winters can loosen the roots holding them up. A crew with a chainsaw treats the Douglas fir that already came down; an arborist reads the one that is about to, based on canopy thinning, fungal fruiting bodies, and how the tree leans after the soil saturates.

Estimates in Hillsboro are walked by an experienced arborist, not a salesperson. Cuts follow ANSI A300, risk assessments follow TRAQ methodology, and you get a written plan before work begins.

Across Washington County

From Tigard and Tualatin to McMinnville and Forest Grove, every community in our Hillsboro coverage area has its own page covering the species and storm hazards we plan around there.

Hillsboro FAQ

Local questions, local answers.

Don't see your question? Call us. Calls are answered by a real person, day or night.

Do I need a permit to remove a tree in Hillsboro?

Rules vary by lot, zoning, and whether the tree is protected or a street tree, and the city and county may each have requirements. We confirm what applies to your exact address and handle any permit or arborist report the city requires before work begins.

How fast can an arborist get to my property?

Most estimate visits happen within 24 hours, and storm emergencies get a crew on site the same day. We answer the phone around the clock.

What is stressing trees in the Hillsboro area right now?

Laminated root rot in Douglas firs, Swiss needle cast thinning conifer canopies, and bronze birch borer in stressed European birch are three common concerns, on top of winter windthrow risk in saturated soil.

Can you tell if my Douglas fir has root rot before it falls?

Often, yes. An arborist looks for thinning crowns, resin flow at the base, mushrooms near the root collar, and soil heaving, then confirms with a risk assessment before recommending removal or bracing.

What standards do your arborists follow?

Our crews are trained to ANSI A300 pruning standards and risk assessments follow TRAQ methodology. An expert arborist conducts the estimate in Hillsboro.

Are you insured?

Yes. We carry the insurance that matters, the kind that protects every inch of your property.

Take back your trees today