We are one of only 11 TCIA Accredited companies in the State of Maryland. In addition, we employ 6 I.S.A. Certified Arborists, 16 Maryland Licensed Tree Experts, 2 TCIA Certified Tree Care Safety Professionals, 16 TCIA EHAP Tree Care Workers and 2 I.S.A. Qualified Tree Risk Assessors. Every member of our staff is certified by the American Red Cross in CPR, First Aid and AED use and all crew members are Registered Traffic Flaggers by the American Traffic Safety Services Association.

Tree Service Organizations and Accreditations
Adirondack selected by Howard County Government to remove 300 year old dead Elm Tree:
ADIRONDACK TREE EXPERTS IS LICENSED BY THE STATE OF MARYLAND AS A FOREST PRODUCT OPERATOR: LIC. #010822

American FlagAdirondack is a Veteran-Owned Business Active in the Community - Learn More About UsUS Marine Corps Logo

Washington’s Top Rated Tree Service

Angie's List Super Service Award
Super Service Award Winner Since 2007
Bethesda Magazine
Top Vote Getter
Consumers Checkbook
Consumers' Checkbook Check of Approval
Washingtonian Magazine
Most Trusted Contractor Award

Current Specials:

Featuring special monthly discounts for all and regular discounts for seniors, active military services members and veterans.

Visit our Current Specials page to learn more or to print out coupons.

Proudly Serving the Following Areas for Over 20 Years:
  • Washington D.C.
  • Montgomery County
  • Prince George's County (From Route 50 North)
  • Howard County

Our Customers Love Us

I want to thank your staff at Adirondack for doing such and outstanding job at my home...”

Joanne Willey
Laurel, MD

I was totally impressed and pleased with the job...”

Robert E. Carter
Bethesda, MD

I must say that your company has done the best job...”

Sally Fasman
Washington, D.C.

The crew went out of their way to make sure I was completely satisfied! ...”

Robert Baker
Riverdale, MD

Read more about our work in local Maryland & Washington DC Communities, including organizations we sponsor and causes we support.

» Read More