Tree Removal
Whether a tree is damaged, dead, or a safety hazard, our crews ensure safe and efficient removal with minimal disruption to your property.
Learn more →Four Square Mile has no city hall, no city forestry office, and no municipal permit desk. It is unincorporated Arapahoe County, so a tree call here rests on the arborist's judgment far more than the paperwork of a typical city.
Serving Four Square Mile, Colorado through our Denver crew, with the same expert arborists, the same standards, and the same around the clock availability.
With no incorporated city government, tree work here follows Arapahoe County rules rather than a municipal ordinance, so we confirm the county requirement for an address before recommending anything.
Whether a tree is damaged, dead, or a safety hazard, our crews ensure safe and efficient removal with minimal disruption to your property.
Learn more →Keep your trees safe, structured, and looking right. We remove dead or overgrown branches, improve clearance, and reduce storm risk.
Learn more →When storms cause tree damage, our emergency team responds quickly to remove hazards, clear debris, and restore safety.
Learn more →Strategic pruning, cabling, and bracing to reduce storm damage risks before severe weather hits.
Learn more →Identifying potential hazards before they become problems. Tree stability, structural integrity, and surrounding risks evaluated on-site.
Learn more →Get expert arborist guidance without a site visit. Share photos or video of your trees and receive a written assessment and estimate within 24 hours.
Learn more →Simplify tree care across multiple properties with a single, trusted provider. Consistent maintenance and emergency response.
Learn more →One point of contact for the whole community: scheduled rounds, board-friendly reports, and uniform standards across every lot.
Learn more →ROW maintenance, public works contracts, and storm response for city forestry teams. We handle permits and traffic plans.
Learn more →Corporate campuses, hospital systems, and headquarters landscapes. Quarterly walks, annual risk reports, COIs on file.
Learn more →Under 2-hour dispatch to any property in our service area. Liability coverage and safety plans on file with your operations team.
Learn more →A geotagged inventory of every tree on the property: species, age, condition, and recommended work, refreshed annually.
Learn more →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…
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…
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…
Ask about tree removal in most Arapahoe County towns and there is a city office to call first. Ask in Four Square Mile and the answer is different, because it is unincorporated territory with no municipal forestry department and no city permit desk. County rules apply here, not a city ordinance, and the property owner ends up holding more of the decision than a neighbor in incorporated Aurora or Centennial would. That shifts real weight onto the arborist doing the assessment. Get the read wrong and there is no city inspector to catch it before it becomes a liability or a downed limb on a fence line.
The place sits in the same semi-arid high desert belt as the rest of the metro, intense sun, cold winters, and wide daily temperature swings over alkaline clay that locks up iron and holds little organic matter. What is different here is the property itself. Four Square Mile tends toward larger, older unincorporated lots, often with less irrigation infrastructure than a newer platted subdivision nearby, which puts more strain on mature trees when a dry stretch runs long. We write tree risk assessments using TRAQ methodology that HOAs, insurers, and attorneys accept, and every crew carries full general liability and workers compensation coverage.
The lots here run larger and the irrigation runs thinner, so drought stress hits mature trees harder than in a tightly irrigated subdivision. Honeylocust and green ash generally handle dry spells better than most species on these properties, but once one goes without supplemental water through a hot summer, decline can come fast, and a weakened tree draws mountain pine beetle or emerald ash borer more readily than a healthy one.
Norway maple and Colorado blue spruce on these same unincorporated lots carry the ordinary regional load of iron chlorosis in alkaline clay and canyon wind pressure moving through the property. What changes without a city forestry program is oversight of the gaps between lots. Nobody is walking a public right of way checking for early pest signs, so an untreated problem on one property can sit unnoticed and spread to the next. An arborist working a Four Square Mile lot looks past the tree in question to the row of trees around it, since the neighbor’s stand often explains what shows up on yours.
Four Square Mile is in the Denver service area. Calls route through national intake until local coverage is verified.
Click an area to learn more about our work there.
Don't see your question? Call us. Every call is answered by a human arborist, day or night.
Free estimate. Twenty-four-hour response. No contracts. No commitments.
Or call (844) 835-8733, answered 24/7 by a human.
Enjoyed our service? Share your experience.
March 11th, a brief but strong storm came through Goodlettsville and blew over two giant trees in my front yard; one which was bei...

From the time I inquired w this company about removing a tree that was strongly impacted from the major strong 80 mph winds on Mar...



CATS crew was amazing across the board from Mike & Lisa & Joe to the crew that came to our house. The consultation was easy and in...


My family had a tree removal emergency! A large tree in our back yard was on fire and splitting down the middle. The fire departme...



Great service, communication and fair pricing. Would recommend for any job big or small this company is the real deal! Thanks CATS...



The day before Easter we discovered our largest tree had rotted and split more than halfway through. It had become very dangerous...


I highly recommend this company. Sales guy was awesome. He stepped me through the entire process. Gave me a great quote that I cou...


We found the company to be very efficient, listened carefully to our requests and suggestions. It was a pleasure to work with th...



CATS and the Treemasters crew were awesome. They were so careful taking down a large hackberry and trimming another hanging right...

Highly recommend. We unfortunately had a large tree branch break and hanging over our house about to fall and cause some serious d...
Michael, Antonio and his crew did a fantastic job trimming the trees in the butterfly sanctuary that is our yard in Hendersonville...
Found Joe through a neighbor of ours, so happy we did. He lives and works in East Nashville- super personable and professional. Wo...