Four Square Mile's Expert Arborists

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.

Why Four Square Mile

Unincorporated county tree care for Four Square Mile.

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.

What we do

Tree care in Four Square Mile, made easy.

Tree Services

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.

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Tree Services

Tree Trimming & Pruning

Keep your trees safe, structured, and looking right. We remove dead or overgrown branches, improve clearance, and reduce storm risk.

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Tree Services

Emergency & Storm Damage

When storms cause tree damage, our emergency team responds quickly to remove hazards, clear debris, and restore safety.

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Tree Services

WindReady™ Storm Prep

Strategic pruning, cabling, and bracing to reduce storm damage risks before severe weather hits.

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Tree Services

Safety & Risk Assessments

Identifying potential hazards before they become problems. Tree stability, structural integrity, and surrounding risks evaluated on-site.

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Tree Services

Virtual Consulting & Estimates

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.

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Commercial

Multi-Location Management

Simplify tree care across multiple properties with a single, trusted provider. Consistent maintenance and emergency response.

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Commercial

HOA & Property Management

One point of contact for the whole community: scheduled rounds, board-friendly reports, and uniform standards across every lot.

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Commercial

Municipal Tree Care

ROW maintenance, public works contracts, and storm response for city forestry teams. We handle permits and traffic plans.

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Commercial

Fortune-500 Grounds

Corporate campuses, hospital systems, and headquarters landscapes. Quarterly walks, annual risk reports, COIs on file.

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Commercial

Commercial Emergency Response

Under 2-hour dispatch to any property in our service area. Liability coverage and safety plans on file with your operations team.

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Commercial

Property Tree Inventory

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

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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.

JB
★★★★★

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 Bangs3 days ago
JM
★★★★★

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 Mason3 weeks ago
GH
★★★★★

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 Hunt1 month ago
Local expertise

Why an Expert Arborist Matters in Four Square Mile

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.

Four Square Mile’s Tree Challenges

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.

Service area

Our Denver service area.

Four Square Mile is in the Denver service area. Calls route through national intake until local coverage is verified.

Areas we cover

Click an area to learn more about our work there.

Four Square Mile FAQ

Local questions, local answers.

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

Do you serve Four Square Mile, CO?
Yes. The Certified Arborist Tree Service works throughout Four Square Mile and Arapahoe County. Call for a free on-site estimate.
Is Four Square Mile part of a city, and does that matter for tree removal?
No, it is unincorporated Arapahoe County. Permit and protected tree rules run through the county rather than a city ordinance like Aurora's or Centennial's, so we check the county requirement for your address before work begins.
Why do older trees here seem to struggle more in dry years?
Many Four Square Mile lots are larger and older, with less irrigation infrastructure than a newer subdivision, so a mature tree can decline fast in a dry summer with no supplemental water. An arborist can tell whether it needs water or removal.
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, not a call center.
Are you licensed and insured?
Yes. We carry full general liability and workers compensation coverage on every crew member, and can email a current Certificate of Insurance before work begins.
Take back your trees today

One expert arborist. Every tree on your property.

Free estimate. Twenty-four-hour response. No contracts. No commitments.

Or call (844) 835-8733, answered 24/7 by a human.