Board-Certified
Master Arborist
Certified Expertise
The Highest Standard of Tree Care in Colorado
Certified arborist services involve the professional evaluation, diagnosis, and management of tree health, structure, and risk by ISA-credentialed experts. Not all tree services are equal. While many companies employ "tree workers" focused solely on cutting, Tree Pros is led by Paul Goin, one of the few ISA Board-Certified Master Arborists in Colorado.
This elite credential, combined with our TRAQ (Tree Risk Assessment Qualification) and Colorado Department of Agriculture licensing, means we approach your landscape with scientific rigor. Whether you need a diagnosis for a sick tree, a risk assessment for a massive shade tree, or a long-term preservation plan, our arborist team provides guidance you can trust.
When to Call an Arborist
- Tree health concerns
- Risk assessment needs
- Insect or disease diagnosis
- Construction tree preservation
- Long-term care planning
- Property value protection
- Insurance or legal evaluation
- Mature tree management
Credentials
Verified Professional Credentials
Tree Pros holds some of the most advanced arboricultural credentials available. These are not marketing claims — they are verified qualifications from recognized professional organizations.
ISA Board Certified Master Arborist
The highest credential offered by the ISA, achieved by Paul Goin in January 2015.
ISA Tree Risk Assessment Qualification (TRAQ)
Formal qualification to assess the likelihood of tree failure and potential impact.
ASCA Tree & Plant Appraisal Qualification (TPAQ)
Certified to appraise tree and plant value for insurance, legal, and property matters.
ASCA Consulting Arborist Academy Graduate
Graduate of the American Society of Consulting Arborists Academy.
CDA Qualified Supervisor
Colorado Department of Agriculture Qualified Supervisor for pesticide application.
Three ISA Certified Arborists on Staff
Every Tree Pros crew leader is an ISA Certified Arborist.
Our Services
What a Certified Arborist Does
Tree Health Assessments
Comprehensive evaluations of soil, roots, trunk, and canopy to determine overall vigor.
Risk Evaluation (TRAQ)
Formal assessments of hazardous trees to determine the likelihood of failure and impact.
Diagnosis of Insects & Disease
Accurate identification of pests, borers, and fungal infections affecting Denver trees.
Plant Health Care Planning
Customized, long-term strategies involving fertilization and treatments to save valuable trees.
Pruning Recommendations
Writing specific pruning prescriptions to improve structure without harming the tree.
Tree Preservation
Protecting mature trees during construction, hardscaping, or major property changes.
Our Process
A Clear Path From Assessment to Completion
Request an Assessment
Contact Tree Pros for a free arborist evaluation.
Arborist Evaluation
A Board-Certified Master Arborist assesses your tree's health and risk.
Clear Recommendation
Receive a science-based recommendation with transparent pricing.
Professional Service
Our ISA-certified crew performs the recommended care.
Ongoing Guidance
We provide long-term care recommendations for your landscape.
Local Expertise
Denver's Climate Demands Specialized Tree Care
Denver's unique weather patterns and urban growing conditions create specific challenges for tree health and safety.
Urban Tree Stress
Denver's urban trees face soil compaction, limited root space, and environmental stress that require professional management.
Insect Pressure
Emerald Ash Borer, IPS Beetle, and other pests threaten Denver trees and require early arborist detection.
Disease Challenges
Fungal diseases, bacterial infections, and environmental decline are common in Denver's climate.
Storm Risk
Heavy snows and windstorms create tree risk situations that require TRAQ-qualified assessment.
Mature Canopy
Denver's older neighborhoods have valuable mature trees that benefit from professional preservation planning.
Construction Impact
Urban development and construction can damage trees, requiring arborist-led preservation strategies.
Professional Standards
Why Professional Arboriculture Matters
Poor tree work can permanently damage structure, health, and longevity. Professional arboriculture protects your trees and property for decades.
Science Over Guesswork
Certified arborists use diagnostic training and ISA standards to identify the actual cause of tree problems, not just the symptoms.
Risk Assessment Saves Lives
TRAQ-qualified arborists can identify hazardous trees before they fail, protecting your family, property, and neighbors.
Preservation Requires Expertise
Knowing when a tree can be saved — and how — requires the advanced training that only credentialed arborists possess.
Long-Term Value
Professional arborist care protects and enhances the value of your landscape investment for decades.
Why Tree Pros
Arborist Expertise. Personal Service.
Tree Pros combines the expertise of highly credentialed arborists with the personal service of a small, family-owned Denver company.
Board-Certified Master Arborist Leadership
Paul Goin holds the highest credential offered by the ISA, achieved in January 2015.
Three ISA Certified Arborists on Staff
Every Tree Pros crew leader is an ISA Certified Arborist — not just a tree worker.
Family-Owned Since 2003
A small, personal company that values long-term customer relationships over volume.
ISA Best Management Practices
Recommendations based on what's right for the tree and property, not the largest invoice.
Related Services
Complete Tree Care Under One Roof
Plant Health Care
Comprehensive health management based on arborist assessment.
Learn MoreTree Disease Treatment
Science-based diagnosis and targeted treatments.
Learn MoreTree Removal
Arborist-led removal when preservation is not safe.
Learn MoreTree Trimming & Pruning
Pruning prescriptions from certified arborists.
Learn MoreFAQ
Frequently Asked Questions
What is an ISA Board Certified Master Arborist?+
How many certified arborists does Tree Pros have?+
What is TRAQ?+
Do you provide free tree assessments?+
Can an arborist determine if my tree should be removed?+
What is TPAQ?+
What areas do you serve?+
