Certified Arborist Reports and Letters

Certified arborist reports and letters provide written documentation of tree-related observations, evaluations, and conclusions. These documents are used when clear, documented professional opinion is required.

Documentation reflects observable conditions and available information at the time of evaluation and is prepared in accordance with accepted arboricultural principles.

Purpose of Arborist Documentation

Arborist documentation is commonly used to:

  • Respond to municipal or agency inquiries
  • Document existing tree conditions and observations
  • Provide written professional opinions
  • Establish a clear record for reference and decision-making

Types of Documentation

Arborist documentation may include:

  • Written professional opinions

  • Tree-related reports and summaries

  • Supporting documentation for permitting or review

  • Clarifying statements addressing tree condition, risk, or site factors

  • Arborist letters

Professional Opinion and Scope

Professional opinions are based on visible conditions and available information at the time of evaluation. Trees are living organisms, and their condition may change due to weather, site disturbance, or maintenance practices.

Documentation does not guarantee future performance or outcomes. It is intended to provide clarity and professional perspective to support informed decisions.

Deliverables

Arborist reports and letters are provided in a clear written format suitable for submission, review, and recordkeeping. Content and level of detail are aligned with the intended use of the documentation.