ISA Certified Arborists

Hansen’s takes employee training and safety seriously. Hansen’s employs 10 International Society of Arboriculture-certified arborists and 2 Board Certified Master Arborists. The ISA is a worldwide professional organization dedicated to fostering a greater appreciation for trees and to promoting research, technology, and the professional practice of arboriculture. To maintain certification, each arborist must accumulate 30 units of continuing education every three years.

Arborist - Certified Arborist

Mike Walker, CA

ISA Certified Arborist (MW-4734A)

Arborist - Tree

Shane Thomas, CA

ISA Certified Arborist (MW-4782A)

Arborist - Certified Arborist

Sam Crockett, CA

ISA Certified Arborist (MW-4673A)

Arborist - Certified Arborist

Patrick Pierce, CA

ISA Certified Arborist (MW-4808A)

Josh Harris - Arborist

Joshua Harris, CA

ISA Certified Arborist (MW-5945A)

Arborist - Certified Arborist

Josh Franks, CA

ISA Certified Arborist (MW-4621A)

In Need Of A Certified Arborist’s Advice Or Services?
Contact Hansen’s Tree Service Today

Arborist Name Certification Number
Mike Walker MW-4734A
Shane Thomas MW-4782A
Sam Crockett MW-4673A
Joshua Harris MW-5945A
Patrick Pierce MW-4808A
Josh Franks MW-4621A

STA Certified

Hansen’s compost is STA-certified, which means it follows the U.S. Seal of Testing Assurance Program, the only program that certifies the quality of compost. In order to hold this certification, Hansen’s compost products undergo regular testing, offer technical data and test results to customers. The test guidelines ensure the product contains the proper nutrients for optimum plant growth.

TCIA Certified

In 2005, Hansen’s was the first tree-care company in the state certified by the Tree Care Industry Association. By using a TCIA-certified company, consumers can be assured of hiring a professional, ethical tree care company that has been inspected by TCIA for proper business practices, professional employees, quality service and customer satisfaction

TCIA Certified Tree Care Safety Professional (CTSP)

We have Chad Hansen & Shawen Farley. Our CTSP are charged with establishing, implementing & rigorously maintaining a culture of safety in an inherently dangerous occupation: Tree care. These results speak for themselves. Protect our employees/coworkers. Prevent accidents and save lives.

BBB Certified

Hansen’s is an accredited member of the Better Business Bureau. We were proud to win the esteemed TORCH Award in 2011. The award was given for exceptional ethical business practices and customer service