Round Rock's expert arborists. Rooted in Williamson County's caliche.

Round Rock's live oaks and cedar elms grow on thin rock over limestone, then get hit with drought one season and flash floods the next. We handle removals, structural pruning, and storm response across Williamson County with expert arborists on call day and night.

Get An Estimate (844) 835-8733

Why Round Rock

Why Round Rock trees need a real arborist.

The Certified Arborist Tree Service brings expert arborists, consistent standards, and the insurance that matters to your property in Round Rock, whether it is a single removal on a quarter acre lot or a citywide cleanup after a hailstorm.

Round Rock sits on thin rocky soil over limestone, the caliche that defines Williamson County. Roots run shallow and wide instead of deep, which means drought stress shows up fast and wind throw is a real risk once a tree loses root plate contact.

Add a climate that swings between long dry stretches and sudden flash floods, and the read an arborist brings, on species, on root structure, on what the last two seasons did to a given tree, is what keeps a tree standing instead of falling on a fence or a roof.

Schedule a Round Rock site walk Call (844) 835-8733

Why Round Rock trees fail

The risks we watch in Round Rock right now.

Four problems account for most of the tree failures we get called out for in Round Rock and the rest of Williamson County.

Oak Wilt

Live oaks here often grow root grafted to their neighbors, so oak wilt can move underground from one tree to the next without ever touching a leaf. We watch for it especially in spring pruning windows.

Hypoxylon Canker

A stress fungus that moves into oaks and elms already weakened by drought. The bark often looks fine until it sloughs off, exposing dead wood underneath. Drought years bring more of it.

Cotton Root Rot

This soil fungus thrives in the alkaline, limestone derived soils common across Round Rock and can kill a tree from the roots up with little warning above ground.

Ball Moss Loading

Common on live oaks with slow air movement or heavy shade. It is not itself parasitic, but a heavy load adds weight and wind resistance to limbs already stressed by drought.

Service area

Our Round Rock service area.

Serving Round Rock and the communities of Williamson County.

Areas we cover

Click an area to learn more about our work there.

Free estimate

Round Rock crews, one form away.

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

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Trees we know

The Round Rock 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.

Live Oak

The backbone of Round Rock's tree canopy and the one most likely to share a root system with its neighbor, which is exactly how oak wilt spreads through a block.

Cedar Elm

Tolerant of Round Rock's alkaline caliche soil, but brittle in high wind and prone to breaking at old pruning wounds if not maintained.

Crape Myrtle

A common planted ornamental here that suffers most from bad pruning cuts, not weather, since improper topping invites decay at the wound.

Texas Red Oak

Less prone to oak wilt than live oak but still susceptible, and its deeper taproot struggles when Round Rock's thin soil sits over solid limestone.

Mexican White Oak

A tougher transplant for Round Rock's heat and drought cycles, though young specimens still need staking and steady watering the first few dry summers.

Ashe Juniper

Deeply rooted in the Hill Country landscape around Round Rock; it holds up well to drought but sheds limbs readily in ice, which this region gets on occasion.

Local expertise

Why an Expert Arborist Matters in Round Rock

Williamson County grows demanding trees on demanding ground. Thin soil over limestone forces roots to spread wide instead of deep, so a tree that looks solid can still be one drought or one flash flood away from losing its grip. A crew with a chainsaw treats the tree that already failed; an arborist reads the one about to.

Every estimate in Round Rock is walked by an experienced arborist. Cuts follow ANSI A300, risk assessments are TRAQ qualified, and you get a written plan before work begins.

Across Round Rock and Williamson County

Georgetown, Cedar Park, Leander, Hutto, Taylor, Liberty Hill, Brushy Creek, Sonterra, and Elgin each sit on their own patch of the same caliche shelf, with their own mix of live oak, cedar elm, and Texas red oak.

Every community in our coverage list has its own page covering the species, soil, and storm exposure we plan around there, built from the same standards our Round Rock crew works to every day.

Round Rock 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 Round Rock?

Round Rock has tree preservation rules that can apply depending on species, size, and whether the lot is inside city limits or unincorporated Williamson County. 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, every day of the week.

Why do so many oaks fail here even without a storm?

Oak wilt is the biggest factor. Round Rock's live oaks commonly share root systems block to block, so an infected tree can pass the fungus underground to a healthy one with no visible connection above ground.

What standards do your arborists follow?

Every job runs to ANSI A300 pruning standards, and risk assessments follow TRAQ methodology. An expert arborist walks every estimate, not a salesperson.

Does Round Rock's soil affect how you prune or remove trees?

Yes. The thin, rocky, high pH soil over limestone means root systems here run shallower and wider than in deeper soil regions, which changes how we assess stability and plan a removal or cabling job.

Are you insured?

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

Take back your trees today