Washington's expert arborists. Serving the District and its close-in neighbors.

Washington's street trees grow up fast on compacted clay and come down hard when a nor'easter or a summer thunderstorm finds the weak union. Our arborists read the tree before it fails, not after, and answer the phone at 2 a.m. when it does not wait.

Get An Estimate (844) 835-8733

Why Washington

Why Washington trees need a real arborist.

The Certified Arborist Tree Service brings expert arborists, consistent standards, and the insurance that matters to your property in Washington and the close-in Mid-Atlantic suburbs, whether it is a single removal or a full storm cleanup.

The District's humid subtropical to continental climate swings from brutal summer heat to hard winter freezes, and most of the tree cover here grows on clay to loam that has been compacted by decades of construction and street work. That combination shortens root systems and makes anchorage the first thing to go.

Add nor'easters, remnant tropical systems, summer thunderstorms, and the occasional ice storm, and you get a city where a tree can look fine in June and lose a limb, or its whole crown, the next time weather rolls through. Knowing which species handle that and which do not is what keeps a tree in the ground instead of on the roof.

Schedule a Washington site walk Call (844) 835-8733

Why Washington trees fail

The risks we watch in Washington right now.

When a tree fails here, the cause is usually one of a few problems we check on every Washington site visit.

Spotted Lanternfly

This pest has moved through the District hard, and it feeds heavily on tree of heaven and stone fruit hosts, weakening trees that then struggle through the next storm season.

Emerald Ash Borer

Any remaining ash on Washington streets and lots is at serious risk. Once the canopy thins, dead limbs over sidewalks and driveways become a real liability fast.

Bacterial Leaf Scorch

Common in the District's older pin oak and red maple plantings, this disease causes slow dieback that often gets mistaken for drought stress until it is advanced.

Ice Load Breakage

Winter ice storms coat limbs fast, and codominant stems in callery pear and honeylocust are the first to split under that added weight.

Service area

Our Washington service area.

Serving Washington and the close-in District communities.

Areas we cover

Click an area to learn more about our work there.

Free estimate

Washington crews, one form away.

Tell us what is going on with your trees. An arborist who works Washington 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

★★★★★

CATS crew was amazing across the board from Mike & Lisa & Joe to the crew that came to our house. The consultation was easy and informative and made me feel comfortable in choosing them. The price was less…

Guy Hunt●1 month 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 Washington species list, and what we watch for.

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

London Plane

Planted along Washington streets for decades, it tolerates the compacted soil well but drops large limbs as it matures, so we keep an eye on the canopy over sidewalks and parking.

Callery Pear

The tight, upright branch structure that made this tree popular is also its weakness. Those narrow unions split apart in ice storms and heavy summer wind.

Red Maple

Shallow roots make this one of the first trees to lean or heave after saturated soil from a nor'easter, especially where clay limits deeper anchorage.

Honeylocust

A common replacement street tree here, but codominant stems are common and need early pruning before ice load turns a small defect into a failure.

Zelkova

Bred as a resistant substitute for the American elm, it handles the District's heat and clay reasonably well but still needs structural pruning while young to avoid weak crotches later.

Pin Oak

A native that thrives in wetter, compacted District soil, though bacterial leaf scorch shows up often enough in older specimens that we check for it on every visit.

Local expertise

Why an Expert Arborist Matters in Washington

The District grows demanding trees on demanding ground. A crew with a chainsaw treats the tree that already failed; an arborist reads the one about to. That distinction matters most here, where clay soil and decades of urban construction leave root systems shorter than the tree above them expects.

Every estimate is walked by an experienced arborist, not a salesperson working off a price sheet. Cuts follow ANSI A300, risk assessments are TRAQ qualified, and you get a plan before work begins.

Across Washington

Washington's tree canopy runs from mature London planes along commercial corridors to red maples and pin oaks in older residential lots, each carrying its own risk profile on the District's compacted clay.

Every community in our coverage list gets its own page covering the species, soil, and storm exposure we plan around there, so the advice you get is built around your actual property, not a generic regional average.

Washington FAQ

Local questions, local answers.

Don't see your question? Call us. Every call is answered by a human arborist, day or night.

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

Local rules vary by jurisdiction, lot, and whether the tree is protected under the District's tree canopy regulations. We confirm the requirements for your exact address and handle any permit or arborist report needed 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, including overnight after a nor'easter or an ice storm.

What is stressing trees here right now?

The biggest regional factors are spotted lanternfly, emerald ash borer, and bacterial leaf scorch, on top of saturated-soil root failure whenever a storm parks over the District for a day or two.

Why do so many Washington trees lean or drop limbs after storms?

Much of the District's soil is clay to loam that has been compacted by decades of construction, which limits root spread. Add saturated ground from a nor'easter or a summer thunderstorm and shallow rooted species like red maple are the first to move.

What standards do your arborists follow?

Every job runs to ANSI A300 standards and risk assessments are TRAQ qualified. An expert arborist conducts every estimate, not a salesperson.

Are you insured?

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

Take back your trees today