Professional discipline
ISA-certified arborist
Assesses tree health, value, and protection requirements during nearby construction.
Community Response Directory
We list disciplines, not individual practitioners. To find a specific person, use the professional society's directory below and verify credentials before hiring.
Cost band
$Often under $500
Bands are national estimates. Verify locally.
Geographic limits
Local; verify ISA credentials on treesaregood.org.
Best use cases
- Tree-protection plans during nearby construction
- Independent assessment of trees a project proposes to remove
- Documenting tree value for a damage or removal dispute
Not the right call when
- The tree is in immediate danger of falling — call a tree company
- You need a legal opinion about who owns the tree (attorney + surveyor)
What you'll get
- Tree-protection plan
- Tree-condition / risk assessment report
- Appraisal of monetary tree value
When to hire one
- Construction within the root zone of a significant tree
- Tree removal you want to contest
What they will ask you for
- Tree species and DBH
- Site photographs
- Construction plan if available