Registered Consulting Arborists & Tree Risk Assessors

Independent directory and statutory licensing verification guide for Registered Consulting Arborists & Tree Risk Assessors. Distinguishing verified specialist contractors from general unlicensed trades.

Showing 20 Verified Listings across 13 States • Verified Credentials & State Records

Listing Sources & Directory Scope

Sources & Independent Compilation: This directory indexes consulting arborists and tree risk assessment specialists compiled from municipal environmental filings, public practitioner registers, and published business records. Professional credentials (such as ISA Certified Arborist, TRAQ qualification, or ASCA membership) reflect reported qualifications and should be verified directly with the credentialing organization prior to engagement.

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Showing 20 of 20 verified contractors

Tree Solutions Inc.

📍 Seattle, WA (2940 Westlake Ave N #200)

Reported Credential: ASCA Registered Consulting Arborists (RCA #414, #652) Reported Credential: ISA Board Certified Master Arborist (BCMA) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Level 2 & Level 3 Advanced Tree Risk Assessments Construction Tree Protection & Preservation Planning Exceptional Tree Appraisals & Municipal Compliance IML-RESI PD-Series Resistograph Micro-Drill PiCUS Sonic Tomography System Air-Spade Pneumatic Soil Excavation Tool

Verified Source: Verified via City of Seattle Master Use Permit filings and official company registry

Teragan & Associates, Inc.

📍 Lake Oswego, OR (3145 Westview Circle)

Reported Credential: ISA Board Certified Master Arborist (BCMA #PN-0171B) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Reported Credential: American Society of Consulting Arborists (ASCA) Member Development & Land Division Tree Protection Plans Tree Hazard & Risk Management Forensic Investigation & Expert Witness Testimony Digital Wood Resistance Micro-Drilling Units Pneumatic Air Excavation Equipment Sub-Meter GPS Canopy Mapping Receivers

Verified Source: Verified via Oregon Community Trees records and corporate business filing

HortScience | Bartlett Consulting

📍 Berkeley, CA (2550 Ninth Street, Suite 112)

Reported Credential: ASCA Registered Consulting Arborists (RCA #243, #357, #805) Reported Credential: ISA Board Certified Master Arborist (BCMA #WE-10187B) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Municipal Urban Forestry Master Plans Commercial Construction Impact Analysis Advanced Tree Structural Decay Testing PiCUS 3 Sonic Tomograph IML Resistograph Supersonic Air Knife Excavation Rig

Verified Source: Verified via County of Marin Planning Division public reports and corporate filings

Class One Arboriculture Inc.

📍 Glendale, CA (1146 N Central Ave #511)

Reported Credential: ASCA Registered Consulting Arborist (RCA #580) Reported Credential: ISA Board Certified Master Arborist (WE-9909B) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ Instructor) Biomechanical Tree Risk Assessment Tree & Plant Valuation Appraisals Arboricultural Litigation Support IML-RESI Micro-Drill Decay Detector Acoustic Tomography Sensor Array Haglof Precision Increment Borers

Verified Source: Verified via Western Chapter International Society of Arboriculture (WCISA) registry

California Tree and Landscape Consulting, Inc.

📍 Auburn, CA (13915 Mt Olive Rd)

Reported Credential: ASCA Registered Consulting Arborists (RCA #517, #598) Reported Credential: ISA Board Certified Master Arborist Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Tree Health & Structural Hazard Assessments Wildfire Defense & Vegetation Management Plans Construction Tree Mitigation & Monitoring Resistograph Micro-Drilling Decay Tool Air-Spade Root Collar Excavation Equipment Trimble Sub-Meter GPS Data Collectors

Verified Source: Verified via Placer County contractor directory and ASCA membership verification

The Gilbert Arborist / Richard Adkins Consulting

📍 Gilbert, AZ (1481 S Ironwood Drive)

Reported Credential: ASCA Registered Consulting Arborist (RCA #573) Reported Credential: ISA Certified Arborist & Municipal Specialist Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Arid & Desert Urban Forestry Consulting Municipal Tree Inventories & Canopy Mapping Commercial Tree Risk Audits Digital Acoustic Decay Detection Equipment Laser Dendrometers & Clinometers GIS Urban Canopy Assessment Software

Verified Source: Verified via Arizona Community Tree Council (ACTC) Registry and ASCA member rolls

Tree Doctor, Inc.

📍 San Antonio, TX (214 Springwood Ln)

Reported Credential: ASCA Registered Consulting Arborist (RCA #587) Reported Credential: ISA Board Certified Master Arborist (BCMA #1174B) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Reported Credential: Texas Oak Wilt Qualified (#103) Sonic Tomography Internal Trunk Diagnostics Oak Wilt Identification & Containment Strategies Appraisals & Legal Expert Testimony PiCUS Sonic Tomograph System FAA Part 107 Canopy Inspection Drone Precision Increment Wood Borers

Verified Source: Verified via ASCA RCA Registry and Texas Forest Service partner network

Tree Associates LLC

📍 Liberty Hill, TX (133 Arabian Avenue South)

Reported Credential: ISA Certified Arborist (TX-3609A) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Reported Credential: Texas Oak Wilt Certified Commercial Tree Risk Evaluations Construction Site Tree Preservation Compliance Tree Damage Valuation & Appraisals Root System Air Excavation Lances Digital Tree Diagnostic Calipers GPS Tree Mapping & Survey Software

Verified Source: Verified via Texas Department of Agriculture Commercial Licensing and corporate records

Preservation Tree Services, LLC

📍 Dallas, TX (2114 Anson Road)

Reported Credential: ASCA Registered Consulting Arborist on Staff Reported Credential: ISA Board Certified Master Arborists Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Commercial Tree Health Surveys & Audits Civil Development Mitigation & Root Zone Protection Tree Risk Appraisals & Diagnosis High-Pressure Air-Spade Soil Excavator Digital Wood Density Gauges Deep Root Soil Injection Rigs

Verified Source: Verified via Preservation Dallas partner roster and Texas Secretary of State entity records

Tree Quality, LLC

📍 Apple Valley, MN (13410 Gull Court)

Reported Credential: ASCA Registered Consulting Arborist Reported Credential: ISA Board Certified Master Arborist (BCMA #MN-4303BM) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Reported Credential: ASCA Tree and Plant Appraisal Qualified (TPAQ) Pre-Construction Tree Preservation Planning Diagnostic Tree Health & Risk Assessment Legal Dispute & Real Estate Appraisal Reports Structural Decay Resistance Micro-Drill Pneumatic Air Trenching Wand Precision Increment Borers

Verified Source: Verified via City of Eagan Licensed Tree Contractor Registry and MN DNR tree inspector directory

Graf Tree Care, Inc.

📍 Batavia, IL (1485 Louis Bork Drive, Unit #113)

Reported Credential: ISA Board Certified Master Arborist Reported Credential: ISA Municipal Specialists Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Reported Credential: Illinois Arborist Association Member Urban Forestry Consulting & Inventories Municipal Tree Risk Assessment Programs Commercial Plant Health Care Architecture ArborCAD & GIS Inventory Mobile Stations Air-Spade Pneumatic Root Decompactors Diagnostic Resistograph Drilling Units

Verified Source: Verified via Illinois Arborist Association and Lake County Forest Preserve District procurement listings

Kinnucan Tree Experts & Consulting

📍 Lake Bluff, IL (28877 Nagel Ct)

Reported Credential: ASCA Registered Consulting Arborist on Staff Reported Credential: ISA Board Certified Master Arborist Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Reported Credential: TCIA Accredited Business Municipal & Commercial Tree Risk Audits Construction Impact Root Barrier & Tree Protection Comprehensive Property Forest Inventories Resistograph Structural Decay Measurement Rig Pneumatic Air Spade Excavation Systems Hydraulic Deep-Root Feeding Units

Verified Source: Verified via Tree Care Industry Association (TCIA) accreditation registry

Treeworks, Inc.

📍 Coopersville, MI (10078 68th Ave)

Reported Credential: ASCA Registered Consulting Arborist (RCA #403) Reported Credential: ISA Board Certified Master Arborist Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Comprehensive Tree Risk & Stability Evaluation Construction Site Tree Protection & Monitoring Commercial Forestry Management & Appraisals IML Resistograph Drilling Device Pneumatic Air-Spade Soil Excavator Optical Crown Spread & Height Measuring Tools

Verified Source: Verified via ASCA National Directory and Michigan Department of Licensing and Regulatory Affairs

Arbor Doctor LLC

📍 Cincinnati, OH (5898 Rapid Run Rd)

Reported Credential: ASCA Registered Consulting Arborist (RCA #530) Reported Credential: ISA Board Certified Master Arborist (OH-5177B) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Advanced Tree Risk Assessments & Hazard Audits Structural Decay & Root Collar Inspections Forensic Horticultural Litigation Consulting Resistance Drill Decay Analyzers Pneumatic Root-Zone Air-Spade System Electronic Trunk Calipers & Increment Gauges

Verified Source: Verified via ASCA Member Directory and Ohio Chapter ISA certified rosters

Independent Tree LLC

📍 Newbury, OH (11090 Kinsman Rd)

Reported Credential: ISA Certified Arborist (OH-6058A) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Reported Credential: TCIA Accredited Company Level 2 Tree Hazard Evaluations Commercial Tree Preservation Specifications Arboricultural Diagnostics & Structural Remediation Pneumatic Soil Trenching & Excavation Tools Digital Resistance Drill Diagnostic Hardware Spider Aerial Work Platforms for Canopy Inspections

Verified Source: Verified via TCIA Business Directory and Ohio Secretary of State business search

Brookwood Tree Consulting LLC

📍 Atlanta, GA (1354 McLendon Ave NE)

Reported Credential: ASCA Registered Consulting Arborist (RCA #557) Reported Credential: ISA Certified Arborist (SO-6447A) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) City of Atlanta Tree Protection Ordinance Compliance Tree Risk Assessment & Decay Analysis Development Tree Impact & Boundary Disputes IML-RESI Resistograph Micro-Drill PiCUS Sonic Tomograph Sensor Units Laser Distance Meters & GPS Mapping Tablets

Verified Source: Verified via Georgia Arborist Association and City of Atlanta Arborist Division public filings

Natural Resource Consultants, Inc.

📍 Jacksonville, FL (5580 Fort Caroline Rd)

Reported Credential: ASCA Registered Consulting Arborist (RCA #589) Reported Credential: ISA Certified Arborist Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Commercial Environmental Permitting & Tree Mitigation Comprehensive Tree Health & Risk Appraisals Wetland & Urban Forestry Asset Inventories Pneumatic Air Excavation Root Investigation Rig Digital Micro-Drill Resistance Tool Trimble Sub-Foot GPS Survey Stations

Verified Source: Verified via ASCA RCA Roster and Florida Department of State Division of Corporations

Joe Samnik, Expert Tree Consultant, LLC

📍 Palm Harbor, FL (1499 19th St)

Reported Credential: ASCA Registered Consulting Arborist (RCA) Reported Credential: ISA Certified Arborist Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Forensic Tree Causation & Failure Investigations Tree Appraisal in Eminent Domain & Civil Litigation Critical Tree Risk Assessments Advanced Tomographic Sounding Sensors Structural Increment Extractors Forensic Micro-Drill Decay Gauges

Verified Source: Verified via ASCA Member Registry and Florida Bar litigation expert directory

Leaf & Limb

📍 Raleigh, NC (511 Nowell Road)

Reported Credential: ISA Board Certified Master Arborists on Staff Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Reported Credential: Certified B Corporation Tree Risk Assessment & Canopy Preservation Pneumatic Air-Spade Soil & Root Rehabilitation Urban Canopy Health Diagnostics Air-Spade Pneumatic Excavation Systems Digital Wood Resistance Borers Micro-Nutrient Deep Root Injection Platforms

Verified Source: Verified via North Carolina Urban Forest Council and Wake County registered businesses

Zastrow Arborists LLC

📍 Knoxville, MD (19218 Deer Path)

Reported Credential: ASCA Registered Consulting Arborist (RCA #558) Reported Credential: ISA Board Certified Master Arborist Reported Credential: Maryland Licensed Tree Expert (MD LTE #2786) Reported Credential: ISA Tree Risk Assessment Qualified (TRAQ) Mid-Atlantic Regional Tree Risk Management Wood Decay Diagnostic Evaluations Construction Impact & Tree Preservation Plans Wood Micro-Drill Resistance Analyzers Pneumatic Root Collar Exploration Air Tools Field GIS Data Loggers

Verified Source: Verified via Maryland Department of Natural Resources Licensed Tree Expert registry and ASCA directory

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